Poaceae

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Dissections:
Eragrostis secundiflora

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ERAGROSTIS Wolf Lovegrass
Plants hermaphroditic or dioecious, caespitose with some stoloniferous or rhizomatous, annual and perennial. Culms erect or decumbent or ascending or mat forming, glabrous (some viscid), internodes hollow, terete. Leaves basal and cauline; sheaths terete, margins open; auricles absent; ligules a ciliate membrane or line of hairs (rarely membraneous); blades flat or folded, pungent or not pungent, attenuate or not attenuate. Panicles open or contracted; branches spreading or appressed or ascending (rarely with alternate spicate primary unilateral branches), terminating in a spikelet. Spikelets solitary (rarely in groups), laterally compressed or terete, awnless, sessile or subsessile or pedicellate, pedicels glandular or without glands; disarticulation above glumes; florets 3 - 20 (rarely 1 - 2), callus glabrous; reduced florets at apex (rarely absent); glumes mostly 1-veined, mostly unequal, shorter than first floret, awnless, glabrous or scabrous; lemmas 3-veined (rarely lateral veins indistinct or 5-veined), entire, awnless, glabrous or scabrous, veins glabrous to scabrous; paleas 2-veined, awnless, glabrous or hairy or scabrous. Stamens 2 - 3; anthers yellow to reddish purple. Caryopsis terete or laterally compressed. Base chromosome number x = 10.

A variable genus of about 350 species worldwide. A large genus that is mostly subtropical, many are common disturbances species, and they are adapted to a variety of habitats. A few species are considered important for livestock forage production.