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Electronic Flora of South Australia species Fact Sheet

Family: Poaceae
Setaria gracilis

Citation: Kunth in Humb., Bonpl. & Kunth, Nov. Gen. et Sp. Pl. 1:109 (1816) var. pauciseta (Desv.)B. Simon, Austrobaileya 2:22 (1984).

Synonymy: Panicum geniculalutn Lam., Encycl. 4:727 (1798); S. geniculata (Lam.)P. Beauv., Agrost. 51 (1812) var. pauciseta Desv. in C. Gay, Fl. chilena 6:248 (1854).

Common name: Slender (or bent) pigeon-grass.

Description:
Perennial, to 60 cm tall, the stems geniculate near the base; leaf sheaths loose, the blades flat, more or less glabrous, 5-8 mm broad; ligule shortly ciliate.

Panicle spike-like, cylindrical, 2-10 cm long, 4-5 mm diam. (including the bristles), yellowish or purplish, with short branches; spikelets ovate-ellipsoid, 2-2.5 mm long; bristles 6-8, up to twice the length of the spikelet; first glume little more than half the length of the spikelet, ovate, rather acute, 3-nerved, second flume shorter than the spikelet; first lemma as long as the spikelet, with a small palea, second (fertile) lemma about as long as the spikelet, transversely rugulose.

Published illustration: Burbidge (1970) Australian grasses 3:pl. 63; Cunningham et al. (1982) Plants of western New South Wales, p. 138.

Distribution:  Introduced as a pasture grass and occurs as a weed.

  all mainland States except the N.T.   Native to tropical and South America.

Conservation status: naturalised

Flowering time: Jan., Feb.


SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia

Biology: No text

Author: Not yet available


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