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Electronic Flora of South Australia
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Electronic Flora of South Australia genus Fact Sheet

Family: Poaceae
Iseilema

Citation: Andersson, Nova Acta Soc. Sci. Upsal. ser. 3, 2:250 (1856).

Synonymy: Not Applicable

Common name: Flinders-grasses.

Description:
Tufted annuals; leaf blades flat or folded; ligule membranous.

Inflorescence leafy, consisting of groups of apparent spikelets (racemes) subtended by a spathe, 1 or more of such groups subtended by a common spathe, the whole forming a leafy panicle; spikelets of 2 kinds, pedicellate and male or sterile, or very shortly pedicellate and bisexual, arranged in groups of 4 sterile with 1 fertile; sterile spikelets dorsally compressed, with 1 or 2 subequal glumes; fertile spikelets often very shortly pedicellate, with no callus, usually dorsally compressed, first glume flattened, 2-keeled, 3-5-nerved between the keels, 2-toothed, second glume boat-shaped, as long as the first, 3-nerved, first lemma smaller, flat, hyaline, the second (fertile) lemma consisting of a short linear hyaline 1-nerved base ending in a slender bent awn; articulation below sterile spikelets, the whole cluster falling together.

Distribution:  About 20 species from Indonesia and Australia.

Biology: No text

Key to Species:
1. Sheaths of floral leaves herbaceous, compressed, the 4 involucral spikelets with 2 well developed glumes each
 
2. Racemes slightly exserted from the sheaths; awn 15-18 mm long
I. eremaeum 1.
2. Racemes quite exserted from the sheaths; awn 12-13 mm long
I. vaginiflorum 3.

Author: Not yet available


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