Common name: Green Summer Grass
Urochloa subquadripara (Trin.) R.D.Webster APNI*
Synonyms: Brachiaria milliiformis (Presl) Chase APNI*
Description: Ascending annual with culms to 0.7 m long, occasionally rooting at the lower nodes.
Leaves with ligule a dense row of short cilia; blade 3–9 mm wide, usually subglabrous or with a few short hairs, margins smooth or undulate, finely whitish thickened.
Inflorescence of usually 4 racemes, mostly 2–5 cm long; spikelets arranged in 2 even rows or apparently in 1 row. Spikelets c. 4.5 mm long, glabrous, slightly constricted into a very short stipe-like base. Lower glume 30–50% as long as the spikelet, often 7-nerved; upper glume 7-nerved. Lower lemma 3–5-nerved; palea absent. Fertile lemma very shortly stipitate, reaching almost to the apex of the spikelet, 2.5–3.5 mm long, punctulate-striolate, the lemma embracing the thickened, shining keels of the palea.
Distribution and occurrence: Widespread.
NSW subdivisions: SC, NWS, CWS, NWP, SWP, NFWP, SFWP
Other Australian states: Qld W.A. S.A. N.T.
Text by Jacobs, S.W.L., Whalley, R.D.B. & Wheeler, D.J.B.
Taxon concept: Grasses of New South Wales, Fourth Edition (2008).
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.