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Inflorescences

Dissections:
Sclerochloa dura

Line drawings

SCLEROCHLOA P. Beauv.
Plants hermaphroditic, caespitose, annual. Culms ascending to geniculate (branching at base), glabrous; internodes hollow, terete. Leaves basal and cauline, not distinctly distichous; sheaths with compressed keals, margins partially connate; auricles absent; ligules membranous; blades flat or folded, linear, somewhat stiff (blunt and keeled). Panicles or spicate racemes, contracted (one-sided), primary branches and/or pedicels ascending. Spikelets solitary, laterally compressed, disarticulation below glumes (with pedicel), awnless, pedicellate; florets 4-8, reduced floret at apex, callus glabrous, rachilla not extended beyond upper floret; glumes 2, first 3-5-veined, second 7-9-veined (margins hyaline), unequal, shorter than first floret, glabrous, awnless; lemmas 5-veined, chartaceous or coriaceous, glabrous, apex entire (obtuse), awnless, veins glabrous; paleas 2-veined, awnless, glabrous. Stamens 3; anthers pale yellow. Caryopses triangular in cross section. Base chromosome number x=7.

A small genus of two species from southern Europe to western Asia. These species occur in open habitats where they are usually disturbance species.