Research Paper

Themeda palakkadensis (Poaceae: Panicoideae), a new species from Kerala State, India

Alok R. Chorghe, Kothareddy Prasad, Pakshirajan Lakshminarasimhan

Published on: 20 June 2019

Page: 231 - 234

DOI: 10.6165/tai.2019.64.231

  • BibTeX
    •
  • EndNote
    •
  • RIS
    •

    Abstract

    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.

    Keyword: Andropogoneae, Anthistirineae, Panicoideae, Poaceae, Themeda palakkadensis, Western Ghats

    Literature Cited

    Bor, N.L. 1960. The grasses of Burma, Ceylon, India and Pakistan. International Series of Monographs in Pure and Applied Biology 1: 248-255.

    Camus, A. 1920. Note sur la synonymie et r?partition g?ographique de quelques Themeda. Bulletin du Mus?um National d’Histoire Naturelle 26: 423-428.
    DOI: 10.5962/bhl.part.1203View Article Google Scholar

    Chorghe, A., K. Prasad, P.V. Prasanna and Y.V. Rao 2016. A new species of Themeda (Poaceae: Panicoideae) from the Eastern Ghats, India. Phytotaxa 245(2): 183-186.
    DOI: 10.11646/phytotaxa.245.2.10View Article Google Scholar

    Clayton, W.D. and S.A. Renvoize. 1986. Genera Graminum. HMSO, London. pp. 389.

    Forsskal, P. 1775. Flora of Aegyptiaco-Arabica. cxxiii. Moller, Copenhagen. pp. 178-179.

    Karthikeyan, S., S.K. Jain, M.P. Nayar and M. Sanjappa 1989. Florae Indicae Enumeratio-Monocotyledonae. Botanical Survey of India, Calcutta. pp. 268-269.

    Kellogg, E.A. 2015. Poaceae. In: Kubitski, K. (eds.), The families and genera of vascular plants. 13: 310-311. Springer, Berlin.

    Soreng, R.J., P.M. Peterson, K. Romaschenko, G. Davidse, F.O. Zuloaga, E.J. Judziewicz, T.S. Filgueiras, J.I. Davis and O. Morrone 2015. A worldwide phylogenetic classification of the Poaceae (Gramineae). J. Syst. Evol. 53(2): 117-137.
    DOI: 10.1111/jse.12150View Article Google Scholar

    Veldkamp, J.F. 2016. A revision of Themeda (Gramineae) in Malesia with new species from Laos. Blumea 61(1): 29–40.
    DOI: 10.3767/000651916X691349View Article Google Scholar

    Zhang, Y. and L. Qing 2012. Geographical distribution of Themeda Forssk. (Poaceae). Journal of Tropical and Subtropical Botany 20(3): 221-228.