New Varieties and Synonyms in the Genus Tripogon Roem. & Schult. (Poaceae) in India

Dey, Sangita; Prasanna, Parigi Venkateswara

doi:https://doi.org/10.54207/bsmps1000-2021-J5DZ6J

Abstract

Tripogon anantaswamianus and Tripogon narayanae have been relegated to variety of Tripogon bromoides and synonym of Tripogon filiformis respectively. Similarly Tripogon sivarajanii and Tripogon tirumalae have been reduced as varieties under Tripogon trifidus whereas Tripogon jayachandranii and Tripogon nallamalayanus are treated here under synonyms of Tripogon trifidus var. sivarajanii. The following species/varieties are treated here as synonyms under various well-defined species. Tripogon borii is synonymous to Tripogon bromoides var. anantaswamianus. Tripogon ashihoi, Tripogon idukkianus, Tripogon karnatakensis, Tripogon munnarensis and Tripogon ravianus are conspecific to Tripogon bromoides var. bromoides. Tripogon paramjitianus is synonymous to Tripogon pungens. Tripogon copei, Tripogon wightii var. kanyakumariensis and Tripogon velliangiriensis are synonyms of Tripogon wightii. The new varieties and synonyms are proposed after careful study of Type and additional specimens from type locality and other areas.

Keywords

Revision, Tripogon, Peninsular India, Type Locality, polymorphic

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Fig. 1

Tripogon bromoides var. anantaswamianus. A. Lower glume, B. Upper glume, C. Lemma, D. Palea [Sangita Dey 63005, CAL].Tripogon borii (Synonym of Tripogon bromoides var. anantaswamianus) E. Lower glume, F. Upper glume, G. Lemma, H. Palea, I & J. Lemma lateral lobes (magnified) [K. Althaf Ahmed Kabeer118632, CAL]

Fig. 2

Tripogon bromoides. A. Spikelet. B. Lower glume, C. Upper glume, D. Lemma, E. Palea [Sangita Dey 63003, CAL].Tripogon idukkianus. F. Spikelet, G. Lower glume, H. Upper glume, I. Lemma, J. Palea [C. N. Sunil 2267, CAL].Tripogon karnatakensis. K. Spikelet, L. Lower glume, M. Upper glume, N. Lemma, O. Palea [T. Kottekkattu & M.Yoonus T 137510, CAL].Tripogon munnarensis. P. Spikelet, Q. Lower glume, R. Upper glume, S. Lemma, T. Palea [T. Kottekattu & A. K. Pradeep 144105, CAL].Tripogon ravianus. U. Spikelet, V. Lower glume, W. Upper glume, X. Lemma, Y. Palea [C.N.Sunil 2176, CAL]

Fig. 3

Tripogon narayanae (synonym of T. filiformis) A. Lower glume, B. Upper glume, C. Lemma, D. Palea [P. V. Sreekumar 68412, CAL]. Tripogon filiformis (from Maharashtra) E. Lower glume, F. Upper glume, G. Lemma, H. Palea [Sangita Dey 63049, CAL]. Tripogon filiformis (from Dehradun) I. Lower glume, J. Upper glume, K. Lemma, L. Palea, M. Apex of palea (magnified)[Sangita Dey 63068, CAL]

Fig. 4

Tripogon pungens A. Habit, B. Arrangement of spikelet, C. Spikelet, D. Lower glume, E. Upper glume, F. Lemma, G. Palea, H. Caryopsis [K. Prasad s.n. CAL]

Fig. 5

Tripogon trifidus var. trifidus A. Habit, B. Spikelet, C. Lower glume, D. Upper glume, E. Lemma, F–G. Apex of lemma, H. Palea, I–K. Apex of palea, L. Stamen, M. Lodicules, N. Gynoecium. [Sangita Dey 63092, CAL, G. S.R. Sharma 17729, ASSAM]

Fig. 6

Tripogon trifidus var. sivarajanii A. Ligule, B. Bearded base of lemma, C. Spikelet, D. Lower glume, E. Upper glume, F. Lemma, G. Apex of lemma, H. Palea, J. Caryopsis[C. N. Sunil 2117,CAL]

Fig. 7

Tripogon trifidus var. sivarajanii A. Habit, B. Spikelet, C. Lower glume, D. Upper glume, E. Lemma, F. Apex of lemma, G. Palea, H. Apex of palea, J. Androecium, K. Lodicules, L. Gynoecium [K. V.C. Gosavi s.n. CAL]

Fig. 8

Tripogon trifidus var. sivarajanii. A. Spikelet, B. Lower glume, C. Upperglume, D. Lemma, E. Apex of lemma, F. Palea [C. N. Sunil 2117,CAL].Tripogon jayachandranii G. Spikelet,H. Lower glume, I. Upper glume, J. Lemma, K. Apex of lemma, L. Palea [Armugam & S. C. Murugan 134462, CAL).Tripogon nallamalayanus M. Spikelet, N. Lower glume, O. Upper glume, P–Q. Lemma, R. Palea[L. Rasingam & J. Swamy 7396, CAL]

Fig. 9

Tripogon trifidus var. tirumalae A. Habit, B. Spikelet, C. Lower glume, D. Upper glume, E. Lemma, F. Apex of lemma, G. Palea, H. Apex of palea, I. Stamens, J. Lodicules; K. Gynoecium. [Sangita Dey 63012,CAL]

Fig. 10

Tripogon wightii A. Habit, B. Spikelet, C. Lower glume, D. Upper glume, E. Lemma, F. Palea, G. Gynoecium [K. Prasad, s.n. CAL]

Fig. 11

Tripogon velliangiriensis (synonym of T. wightii) A. Lower glume, B. Upper glume, C. & D. Lemma, E. Palea [M.Murugesan 1181, MH]

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Dey, S. and Prasanna, P.V., 2020. New Varieties and Synonyms in the Genus Tripogon Roem. & Schult. (Poaceae) in India. Indian Journal of Forestry, 43(2), pp.150-172. https://doi.org/10.54207/bsmps1000-2021-J5DZ6J

Publication History

Manuscript Received on 14 May 2020

Manuscript Revised on 10 December 2020

Manuscript Accepted on 18 December 2020

Manuscript Published on 07 January 2021

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New Varieties and Synonyms in the Genus Tripogon Roem. & Schult. (Poaceae) in India

Sangita Dey and Parigi Venkateswara Prasanna

Indian Journal of Forestry | Volume: 43 | Issue: 2 | Page No. 150-172 | 2020 DOI: https://doi.org/10.54207/bsmps1000-2021-J5DZ6J | Cite this article

Sangita Dey

Parigi Venkateswara Prasanna

Abstract

Keywords

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About this article

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Publication History

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Indian Journal of Forestry | Volume: 43 | Issue: 2 | Page No. 150-172 | 2020
DOI: https://doi.org/10.54207/bsmps1000-2021-J5DZ6J | Cite this article