Alok Chorghe | Botanical Survey of India (original) (raw)

Papers by Alok Chorghe

Research paper thumbnail of メガルカヤ属Themeda(イネ科)4種のレクトタイプ指定

植物研究雑誌 = The journal of Japanese botany, Feb 1, 2021

Research paper thumbnail of Nomenclature history and typification of Phacelurus speciosus (Poaceae) with a new synonym

<jats:p>Nomenclature history related to the name Phacelurus speciosus has been discussed he... more <jats:p>Nomenclature history related to the name Phacelurus speciosus has been discussed here. In absence of any original material a neotype is designated for the name P. speciosus. Additionally, the newly described species Rottboellia husainii is treated as a synonym of Phacelurus speciosus.</jats:p>

Research paper thumbnail of Two new additions to the grasses of Odisha state

Journal of economic and taxonomic botany, 2015

Research paper thumbnail of Rediscovery and IUCN threat assessment of Themeda saxicola (Poaceae: Andropogoneae), an endemic grass from the Eastern Ghats, India

Phytotaxa, 2022

Themeda saxicola is an endemic perennial grass rediscovered after laps of 67 years from the Raisi... more Themeda saxicola is an endemic perennial grass rediscovered after laps of 67 years from the Raisili hill (type locality) and Deomali hill, from the Eastern Ghats in the Koraput district of Odisha. The detailed description along with colour photographs of the habitats, habit and floral parts are provided for easy identification of the species. In addition, distribution map and IUCN threat category assessment are also provided.

Research paper thumbnail of Themeda palakkadensis (Poaceae: Panicoideae), a new species from Kerala State, India

Taiwania, 2019

Themeda palakkadensis, a new grass species from Kerala, India, is described and illustrated. The ... more Themeda palakkadensis, a new grass species from Kerala, India, is described and illustrated. The new species is similar to T. laxa in having pair of involucral spikelets arranged at same level and in inflorescence pattern but, differs in having densely rufous hairy sessile spikelets, lower lemma of sessile spikelet sparsely rufous hairy, lower glumes of pedicelled spikelets winged on keels, longer anthers and shorter caryopsis length.

Research paper thumbnail of Exponential rise in the discovery of endemic plants underscores the need to conserve the Indian savannas

Research paper thumbnail of A new species of Parahyparrhenia (Poaceae: Andropogoneae) from India

Phytotaxa

Parahyparrhenia khannae, a new species of Andropogoneae (Poaceae: Andropogoneae) from the grassla... more Parahyparrhenia khannae, a new species of Andropogoneae (Poaceae: Andropogoneae) from the grassland of Ratlam and Jhabua districts of Madhya Pradesh, India is described and illustrated. The new species is similar to the Indian endemic species P. bellariensis in having dorsal groove in lower glume of sessile spikelet, but differs in having shorter plant height, lacerate membranous ligule, shorter leaf blade and raceme length, fewer homogamous spikelets, shorter sessile spikelet and anther length.

Research paper thumbnail of Lectotypification of Three Names in the Genus Capillipedium (Andropogoneae: Poaceae)

Phytotaxa

The three names Andropogon filiculmis [basionym of Capillipedium filiculme], A. huegelii [basion... more The three names Andropogon filiculmis [basionym of Capillipedium filiculme], A. huegelii [basionym of C. huegelii] and A. pteropechys [basionym of C. pteropechys] are lectotypified. Selection of lectotypes is discussed, and images of the selected specimens and data about geographic distribution are also provided.

Research paper thumbnail of Brachystelma mahendragiriense (Apocynaceae), a new species from Odisha, India

Rheedea

A tuberous herb with yellow flowers collected from the grassy slopes of the Mahendragiri hills (O... more A tuberous herb with yellow flowers collected from the grassy slopes of the Mahendragiri hills (Odisha, India) is described as a new species of Brachystelma. Morphological and molecular data are furnished in support of this novelty.

Research paper thumbnail of Notes on the Identity and Distribution of Caralluma diffusa (Apocynaceae) in Eastern Ghats of Andhra Pradesh and Odisha

National Academy Science Letters

Caralluma diffusa (Wight) N. E. Br., so far known from Kerala and Tamil Nadu, is reported from tw... more Caralluma diffusa (Wight) N. E. Br., so far known from Kerala and Tamil Nadu, is reported from two hill ranges in Eastern Ghats of Andhra Pradesh and Odisha. Detailed description, photographs, keys and notes on its distribution is provided here.

Research paper thumbnail of (2455) Proposal to conserve the name <I>Andropogon caricosus</I> (<I>Dichanthium caricosum</I>) (<I>Poaceae</I>) with a conserved type

Research paper thumbnail of <p><strong>A new species of <em>Themeda</em> (Poaceae: Panicoideae) from the Eastern Ghats, India</strong></p>

Phytotaxa, 2016

Themeda odishae (Poaceae), a new species from the Mahendragiri hill ranges, Odisha (Orissa), Indi... more Themeda odishae (Poaceae), a new species from the Mahendragiri hill ranges, Odisha (Orissa), India, is described and illustrated. It differs from T. mooneyi in shorter and hairy leaf blades, longer peduncle, length of sessile spikelet callus, number of pedicelled spikelets, and longer anthers. And from T. saxicola by its longer peduncle, number of racemes, number of pedicelled spikelets and hairy involucral spikelets.

Research paper thumbnail of Tripogon mahendragiriensis sp. nov. (Poaceae) from the Eastern Ghats of Odisha (Orissa) State, India

Nordic Journal of Botany, 2015

Tripogon mahendragiriensis (Poaceae), a new species from Mahendragiri Hills, Eastern Ghats, Odish... more Tripogon mahendragiriensis (Poaceae), a new species from Mahendragiri Hills, Eastern Ghats, Odisha (Orissa) State, India is described and illustrated. It is similar to Tripogon humilis and T. purpurascens, but differs mainly by having longer culms, leaf blades and spike, unlobed lemmas and 2 anthers which are longer. From T. purpurascens it also differs by having 3-awned lemmas.

Research paper thumbnail of Additions to the grasses (Poaceae) of Telangana from Kawal Tiger Reserve, Adilabad District, India

Journal of Threatened Taxa, 2015

  1. and hence reported as new distributional records for Telangana. Each species is provided wi... more 2009) and hence reported as new distributional records for Telangana. Each species is provided with a detailed description and images to facilitate identification.

Research paper thumbnail of Two new species of <I>Syzygium</I> (<I>Myrtaceae</I>) from Saddle Peak National Park, Andaman and Nicobar Islands, India

Blumea - Biodiversity, Evolution and Biogeography of Plants, 2014

Two new species of Syzygium, S. hookeri and S. sanjappaiana from the Saddle Peak National Park of... more Two new species of Syzygium, S. hookeri and S. sanjappaiana from the Saddle Peak National Park of North Andaman Islands, are described and illustrated. The novelties are deliberated in the light of reviewed concept on the genus Syzygium and discussed with related species of Myanmar and Sri Lanka.

Research paper thumbnail of Glochidion kingii sp. nov. (Phyllanthaceae) from Saddle Peak National Park, Andaman and Nicobar Islands, India

Nordic Journal of Botany, 2014

ABSTRACT Glochidion kingii M. V. Ramana, Sanjappa, Venu &amp; Alok Chorghe, a new species fro... more ABSTRACT Glochidion kingii M. V. Ramana, Sanjappa, Venu &amp; Alok Chorghe, a new species from the scrub forests of North Andaman Islands, is described and illustrated. Its morphological similarities/dissimilarities in relation to G. rubrum Blume from the Malay Peninsula and Sumatra is discussed and information about the distribution and conservation status for the new species is provided.

Research paper thumbnail of <strong><em>Tripogon tirumalae</em> (Poaceae), a new species from the Seshachalam hills of Andhra Pradesh, India</strong>

Phytotaxa, 2013

Tripogon tirumalae, a new species of grass from the Seshachalam hill ranges, Andhra Pradesh, Indi... more Tripogon tirumalae, a new species of grass from the Seshachalam hill ranges, Andhra Pradesh, India, is described and illustrated. The new species differs from Tripogon sivarajanii in having ciliate membranous ligules, a shorter inflorescence, more florets, bearded lemma base, and a median awn longer than the lemma; and from Tripogon trifidus in having culms 60−75 cm high, glabrous leaf sheaths, and lemmas with a single median awn which is 1.5 times longer than the lemma.

Research paper thumbnail of Centotheca ganeshaiahiana sp. nov. (Poaceae) from Andaman and Nicobar Islands, India

Nordic Journal of Botany, 2013

ABSTRACT Centotheca ganeshaiahiana M. V. Ramana, Alok Chorghe, Prasanna &amp; Sanjappa, a new... more ABSTRACT Centotheca ganeshaiahiana M. V. Ramana, Alok Chorghe, Prasanna &amp; Sanjappa, a new species from Saddle Peak National Park, north Andaman, Andaman and Nicobar Islands, India is described and illustrated. It is closely allied to C. uniflora Swallen, a Vietnamese species, but differs mainly in shorter culms, leaf blades and inflorescences, longer pedicels, spikelets with 2 fertile florets and lemmas with bulbous based hairs.

Research paper thumbnail of Staurogyne andamanica (Acanthaceae), a new species from Saddle Peak National Park, Andaman and Nicobar Islands, India

Research paper thumbnail of Brachystelma penchalakonense (Apocynaceae: Asclepiadoideae) — a new species from Andhra Pradesh, India

Kew Bulletin, 2013

ABSTRACT Brachystelma penchalakonense, a new species from the Nellore District of Andhra Pradesh,... more ABSTRACT Brachystelma penchalakonense, a new species from the Nellore District of Andhra Pradesh, India is described and illustrated. This large-flowered species is related to B. maculatum.

Research paper thumbnail of メガルカヤ属Themeda(イネ科)4種のレクトタイプ指定

植物研究雑誌 = The journal of Japanese botany, Feb 1, 2021

Research paper thumbnail of Nomenclature history and typification of Phacelurus speciosus (Poaceae) with a new synonym

<jats:p>Nomenclature history related to the name Phacelurus speciosus has been discussed he... more <jats:p>Nomenclature history related to the name Phacelurus speciosus has been discussed here. In absence of any original material a neotype is designated for the name P. speciosus. Additionally, the newly described species Rottboellia husainii is treated as a synonym of Phacelurus speciosus.</jats:p>

Research paper thumbnail of Two new additions to the grasses of Odisha state

Journal of economic and taxonomic botany, 2015

Research paper thumbnail of Rediscovery and IUCN threat assessment of Themeda saxicola (Poaceae: Andropogoneae), an endemic grass from the Eastern Ghats, India

Phytotaxa, 2022

Themeda saxicola is an endemic perennial grass rediscovered after laps of 67 years from the Raisi... more Themeda saxicola is an endemic perennial grass rediscovered after laps of 67 years from the Raisili hill (type locality) and Deomali hill, from the Eastern Ghats in the Koraput district of Odisha. The detailed description along with colour photographs of the habitats, habit and floral parts are provided for easy identification of the species. In addition, distribution map and IUCN threat category assessment are also provided.

Research paper thumbnail of Themeda palakkadensis (Poaceae: Panicoideae), a new species from Kerala State, India

Taiwania, 2019

Themeda palakkadensis, a new grass species from Kerala, India, is described and illustrated. The ... more Themeda palakkadensis, a new grass species from Kerala, India, is described and illustrated. The new species is similar to T. laxa in having pair of involucral spikelets arranged at same level and in inflorescence pattern but, differs in having densely rufous hairy sessile spikelets, lower lemma of sessile spikelet sparsely rufous hairy, lower glumes of pedicelled spikelets winged on keels, longer anthers and shorter caryopsis length.

Research paper thumbnail of Exponential rise in the discovery of endemic plants underscores the need to conserve the Indian savannas

Research paper thumbnail of A new species of Parahyparrhenia (Poaceae: Andropogoneae) from India

Phytotaxa

Parahyparrhenia khannae, a new species of Andropogoneae (Poaceae: Andropogoneae) from the grassla... more Parahyparrhenia khannae, a new species of Andropogoneae (Poaceae: Andropogoneae) from the grassland of Ratlam and Jhabua districts of Madhya Pradesh, India is described and illustrated. The new species is similar to the Indian endemic species P. bellariensis in having dorsal groove in lower glume of sessile spikelet, but differs in having shorter plant height, lacerate membranous ligule, shorter leaf blade and raceme length, fewer homogamous spikelets, shorter sessile spikelet and anther length.

Research paper thumbnail of Lectotypification of Three Names in the Genus Capillipedium (Andropogoneae: Poaceae)

Phytotaxa

The three names Andropogon filiculmis [basionym of Capillipedium filiculme], A. huegelii [basion... more The three names Andropogon filiculmis [basionym of Capillipedium filiculme], A. huegelii [basionym of C. huegelii] and A. pteropechys [basionym of C. pteropechys] are lectotypified. Selection of lectotypes is discussed, and images of the selected specimens and data about geographic distribution are also provided.

Research paper thumbnail of Brachystelma mahendragiriense (Apocynaceae), a new species from Odisha, India

Rheedea

A tuberous herb with yellow flowers collected from the grassy slopes of the Mahendragiri hills (O... more A tuberous herb with yellow flowers collected from the grassy slopes of the Mahendragiri hills (Odisha, India) is described as a new species of Brachystelma. Morphological and molecular data are furnished in support of this novelty.

Research paper thumbnail of Notes on the Identity and Distribution of Caralluma diffusa (Apocynaceae) in Eastern Ghats of Andhra Pradesh and Odisha

National Academy Science Letters

Caralluma diffusa (Wight) N. E. Br., so far known from Kerala and Tamil Nadu, is reported from tw... more Caralluma diffusa (Wight) N. E. Br., so far known from Kerala and Tamil Nadu, is reported from two hill ranges in Eastern Ghats of Andhra Pradesh and Odisha. Detailed description, photographs, keys and notes on its distribution is provided here.

Research paper thumbnail of (2455) Proposal to conserve the name <I>Andropogon caricosus</I> (<I>Dichanthium caricosum</I>) (<I>Poaceae</I>) with a conserved type

Research paper thumbnail of <p><strong>A new species of <em>Themeda</em> (Poaceae: Panicoideae) from the Eastern Ghats, India</strong></p>

Phytotaxa, 2016

Themeda odishae (Poaceae), a new species from the Mahendragiri hill ranges, Odisha (Orissa), Indi... more Themeda odishae (Poaceae), a new species from the Mahendragiri hill ranges, Odisha (Orissa), India, is described and illustrated. It differs from T. mooneyi in shorter and hairy leaf blades, longer peduncle, length of sessile spikelet callus, number of pedicelled spikelets, and longer anthers. And from T. saxicola by its longer peduncle, number of racemes, number of pedicelled spikelets and hairy involucral spikelets.

Research paper thumbnail of Tripogon mahendragiriensis sp. nov. (Poaceae) from the Eastern Ghats of Odisha (Orissa) State, India

Nordic Journal of Botany, 2015

Tripogon mahendragiriensis (Poaceae), a new species from Mahendragiri Hills, Eastern Ghats, Odish... more Tripogon mahendragiriensis (Poaceae), a new species from Mahendragiri Hills, Eastern Ghats, Odisha (Orissa) State, India is described and illustrated. It is similar to Tripogon humilis and T. purpurascens, but differs mainly by having longer culms, leaf blades and spike, unlobed lemmas and 2 anthers which are longer. From T. purpurascens it also differs by having 3-awned lemmas.

Research paper thumbnail of Additions to the grasses (Poaceae) of Telangana from Kawal Tiger Reserve, Adilabad District, India

Journal of Threatened Taxa, 2015

  1. and hence reported as new distributional records for Telangana. Each species is provided wi... more 2009) and hence reported as new distributional records for Telangana. Each species is provided with a detailed description and images to facilitate identification.

Research paper thumbnail of Two new species of <I>Syzygium</I> (<I>Myrtaceae</I>) from Saddle Peak National Park, Andaman and Nicobar Islands, India

Blumea - Biodiversity, Evolution and Biogeography of Plants, 2014

Two new species of Syzygium, S. hookeri and S. sanjappaiana from the Saddle Peak National Park of... more Two new species of Syzygium, S. hookeri and S. sanjappaiana from the Saddle Peak National Park of North Andaman Islands, are described and illustrated. The novelties are deliberated in the light of reviewed concept on the genus Syzygium and discussed with related species of Myanmar and Sri Lanka.

Research paper thumbnail of Glochidion kingii sp. nov. (Phyllanthaceae) from Saddle Peak National Park, Andaman and Nicobar Islands, India

Nordic Journal of Botany, 2014

ABSTRACT Glochidion kingii M. V. Ramana, Sanjappa, Venu &amp; Alok Chorghe, a new species fro... more ABSTRACT Glochidion kingii M. V. Ramana, Sanjappa, Venu &amp; Alok Chorghe, a new species from the scrub forests of North Andaman Islands, is described and illustrated. Its morphological similarities/dissimilarities in relation to G. rubrum Blume from the Malay Peninsula and Sumatra is discussed and information about the distribution and conservation status for the new species is provided.

Research paper thumbnail of <strong><em>Tripogon tirumalae</em> (Poaceae), a new species from the Seshachalam hills of Andhra Pradesh, India</strong>

Phytotaxa, 2013

Tripogon tirumalae, a new species of grass from the Seshachalam hill ranges, Andhra Pradesh, Indi... more Tripogon tirumalae, a new species of grass from the Seshachalam hill ranges, Andhra Pradesh, India, is described and illustrated. The new species differs from Tripogon sivarajanii in having ciliate membranous ligules, a shorter inflorescence, more florets, bearded lemma base, and a median awn longer than the lemma; and from Tripogon trifidus in having culms 60−75 cm high, glabrous leaf sheaths, and lemmas with a single median awn which is 1.5 times longer than the lemma.

Research paper thumbnail of Centotheca ganeshaiahiana sp. nov. (Poaceae) from Andaman and Nicobar Islands, India

Nordic Journal of Botany, 2013

ABSTRACT Centotheca ganeshaiahiana M. V. Ramana, Alok Chorghe, Prasanna &amp; Sanjappa, a new... more ABSTRACT Centotheca ganeshaiahiana M. V. Ramana, Alok Chorghe, Prasanna &amp; Sanjappa, a new species from Saddle Peak National Park, north Andaman, Andaman and Nicobar Islands, India is described and illustrated. It is closely allied to C. uniflora Swallen, a Vietnamese species, but differs mainly in shorter culms, leaf blades and inflorescences, longer pedicels, spikelets with 2 fertile florets and lemmas with bulbous based hairs.

Research paper thumbnail of Staurogyne andamanica (Acanthaceae), a new species from Saddle Peak National Park, Andaman and Nicobar Islands, India

Research paper thumbnail of Brachystelma penchalakonense (Apocynaceae: Asclepiadoideae) — a new species from Andhra Pradesh, India

Kew Bulletin, 2013

ABSTRACT Brachystelma penchalakonense, a new species from the Nellore District of Andhra Pradesh,... more ABSTRACT Brachystelma penchalakonense, a new species from the Nellore District of Andhra Pradesh, India is described and illustrated. This large-flowered species is related to B. maculatum.