Urochloa notochthona (Domin) Hughes APNI* Synonyms: Brachiaria notochthona (Domin) Stapf APNI*
Description: Ascending annual to 0.4 m high.
Leaves with ligule a row of short cilia; blade 5–8 mm wide, sparsely sprinkled with tubercle-based hairs.
Inflorescence of 2–3 racemes 1.5–2.5 cm long; spikelets alternate on each side of the midrib; pedicels c. 0.4 mm long. Spikelets 4–4.8 mm long, glabrous. Lower glume 12–20(–50)% as long as the spikelet, asymmetric, 1–5-nerved, only the midrib reaching the apex; upper glume the shape and size of the spikelet, 7–9-nerved, the nerves equally spaced. Lower lemma of similar texture to the upper glume, 5–7-nerved, with the lateral nerves on each side somewhat remote from the midnerve, and the margins incurved and thinner; palea well developed, flat. Fertile lemma c. 2.3 mm long, with a distinct shortly hirsute mucro 0.3–0.7 mm long, papillose-rugose.
Flowering: summer.
Distribution and occurrence: Grows on heavy soils of drier summer rainfall areas.
NSW subdivisions: NWP, NFWP
Other Australian states: Qld 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.
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