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Schoenoplectiella laevis (S.T.Blake) Lye
Family Cyperaceae
Schoenoplectiella laevis (S.T.Blake) Lye APNI*

Synonyms: Schoenoplectus laevis (S.T.Blake) J.Raynal APNI*
Scirpus laevis S.T.Blake APNI*

Description: Annual tufted herb. Culms terete, to 30 cm high, c. 1 mm diam.

Leaves reduced.

Aerial inflorescence a cluster of 1–9 sessile spikelets (lowest occasionally shortly pedunculate); involucral bract mostly about as long as culm, to 25 cm long. Spikelets ovoid or oblong-ovoid, obtuse, 5–15 (rarely to 25) mm long, 2.2–2.7 mm diam. Glumes acute to obtuse, 1.7–1.9 mm long, glabrous, hyaline or tinged yellow or red-brown. Style 2-fid. Hypogynous bristles absent. Basal spikelets present.

Nut broad-obovoid or subcircular, unequally biconvex, often plano-convex, 0.8–0.9 mm long, c. 0.7 mm diam., smooth or minutely reticulate, shining, yellow-brown to very dark brown.

Flowering: spring–summer.

Distribution and occurrence: Collected once near Bourke. Also in Qld, WA, SA, NT.

Grows in seasonally wet, open situations, in grassland and woodland.
NSW subdivisions: NWP
Other Australian states: Qld W.A. S.A. N.T.
AVH map***

Text by K. L. Wilson (1993); edited KL Wilson (Nov 2015)
Taxon concept: Flora of NSW 4 (1993) as Schoenoplectus laevis

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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