Cyperus tenellus L.f. APNI*
Description: Dwarf tufted annual.
Culms filiform, trigonous to compressed, 1–8 cm high.
Leaves filiform, not septate-nodulose, shorter than culms. Inflorescence a pseudolateral, digitate cluster of 1–4 sessile spikelets; involucral bracts leaf-like, 1 erect, shorter or longer than inflorescence. Spikelets flattened, 4–8 mm long, 2–2.5 mm wide, 4–20-flowered; rachilla not winged, persistent. Glumes obtuse or shortly acuminate, with sides 2–5-nerved, 1.5–1.7 mm long, greenish to pale brown, often tinged red-brown. Stamens 1–3. Style 3-fid.
Nut triquetrous, ellipsoid to obovoid, half to two-thirds as long as glume, 0.8–1.0 mm long, 0.6–0.7 mm diam., pale to mid-brown.
Distribution and occurrence: Grows in damp, open situations, often disturbed; sporadically naturalized near habitation, in southeastern NSW. Native of S Afr.
NSW subdivisions: *NC, *CC, *SC, *CT, *ST, *CWS, *SWS, *SWP
Other Australian states: *Qld *Vic. *Tas. *W.A. *S.A.
Text by K. L. Wilson (1993); edited KL Wilson (Aug 2009)
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
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