Isolepis hystrix (Thunb.) Nees APNI* Synonyms: Scirpus hystrix Thunb. APNI*
Description: Dwarf tufted annual.
Culms filiform, to 5 cm high but often less than 1 cm high.
Leaves with blade as long as or exceeding inflorescence. Spikelets 1–3, squarrose, to 5 mm long; involucral bract usually spreading, exceeding inflorescence, to 2 cm long. Glumes very flattened, with awn about as long as body of glume and strongly excurved, with sides conspicuously 2- or 3-nerved, 2.5–3.3 mm long (including awn), hyaline to straw-coloured, often red-tinged. Stamens 2. Style 3-fid.
Nut equally trigonous, narrow-obovoid to ellipsoid, about a third as long as glume body, 0.6–0.7 mm long, c. 0.5 mm diam., minutely reticulate (cell outlines slightly transversely elongate), dull, grey to black.
Flowering: spring.
Distribution and occurrence: Grows in seasonally moist situations; collected once near Tocumwal. Native of S Afr.
NSW subdivisions: *SWP
Other Australian states: *Vic. *S.A.
Text by K. L. Wilson
Taxon concept: Flora of NSW 4 (1993)
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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