Ischaemum janarthanamii S.A. Bokil, Datar & R.K. Choudhary, a new species belonging to family Poaceae, subfamily Andropogoneae is described and illustrated. It is morphologically similar to I. dalzellii and I. semisagittatum but differs from them in having geniculately ascending culms, lower glume of sessile spikelets winged on both sides, apex of upper glume of pedicelled spikelets mucronate, lower glume of pedicelled spikelets asymmetrically deltoid to oblong-lanceolate, joints of rachis linear-trigonous and bases of lower leave-blades hastate. Bayesian analysis of combined trnL c-d and ETS data sets supported the separation of the new species.
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Vol. 57 • No. 4-6