Apera

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Introduced

Weakly caespitose annuals; culm nodes glabrous; ligule membranous, acute or obtuse. Inflorescence paniculate, sometimes contracted. Spikelets pedicellate, laterally compressed, disarticulating above glumes, bisexual, 1-flowered; rachilla glabrous, shortly prolonged beyond floret; callus glabrous or with a few short hairs; glumes 2, unequal to subequal, slightly longer than to slightly shorter than floret, awnless or shortly awned, keeled, acute, the lower 1-nerved, the upper 3-nerved; lemma shortly bifid, awned, firmer-textured than glumes, dorsally rounded, 5-nerved; awn dorsal, subapical, fine, straight or weakly flexuose, longer than lemma; palea 2-nerved, 2-keeled; stamens 3; ovary glabrous; grain free from lemma and palea.

3 species from Europe and western Asia; 1 species weakly naturalised in Australia.

Created by: Neville Walsh, 2015-07-06
life Life
kingdom Plantae
phylum Tracheophyta
superorder Lilianae
order Poales
family Poaceae
Higher taxa
genus Apera
Subordinate taxa