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Dissections:
Lycurus phleoides

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LYCURUS Kunth
Plants hermaphroditic, caespitose, perennial. Culms erect or geniculate, hairy; internodes solid, terete. Leaves basal and cauline; sheaths terete, or with compressed keels, margins open; auricles absent; ligules membranous (3-lobed); blades flat or folded, not pungent (margins thickened and whitish). Panicles contracted (exserted); primary branches appressed, terminating in a spikelet. Spikelets paired (lower staminate and short pedicellate and sterile, upper perfect and longer pedicellate), terete, awned, pedicellate, pedicels without glands; florets 1, callus glabrous; reduced floret absent; disarticulation above glumes; glumes (first 2-3-veined, and 2-awned, the second 1-2-veined and 1 awned), unequal, shorter than floret, scabrous to hairy; lemmas 3-veined, membranous to chartaceous, entire, awned, veins glabrous; paleas 2-veined, awnless, pubescent to hairy. Stamens 3; anthers yellow or reddish purple. Caryopses terete. Base chromosome number x=10.

A genus of about 6 species native to the New World. Duval et al. (1994) reported that Lycurus is closely aligned with Bealia, Blepharoneuron, Chaboissaea, Muhlenbergia, and Pereilema based on restriction site variation in the chloroplast genome.