Common name: Small Hook-sedge
Carex austrosulcata K.L.Wilson APNI* Synonyms: Uncinia sulcata K.L.Wilson APNI*
Uncinia sp. A sensu Jacobs & Pickard (1981) APNI*
Description: Tufted perennial with short rhizome. Culms trigonous, stiff, smooth, 10–15 cm high, 1–1.3 mm diam.
Leaves stiff, erect, thickly U-shaped to crescent-shaped, often longer than culms, 1–1.5 mm wide.
Inflorescence ± dense, 1.5–3 cm long including male portion 5–14 mm long. Female glumes deciduous, acute, 5.2–6.7 mm long, papery, straw-coloured. Perigynia (utricles) obliquely spreading at maturity, trigonous, ovoid to ellipsoid, gradually narrowing to base, acuminate to oblique mouth, shorter than glumes, 4.5–5.5 mm long, 1.8–2.1 mm diam., smooth, yellow-brown, shining, with hook-like tip of rachilla protruding beyond the perigynium apex.
Nut ellipsoid, c. 3 mm long, c. 2 mm diam., dark brown, glistening, minutely pusticulate.
Flowering: summer.
Distribution and occurrence: Kosciusko area; also adjoining high altitude areas in Victoria Grows in alpine grassland.
NSW subdivisions: ST
Other Australian states: Vic.
Text by K. L. Wilson (1993); edited KL Wilson (Aug 2016, Aug 2017, March 2023)
Taxon concept: Flora of NSW 4 (1993); Telopea 5: 620-622 (1994) as Uncinia sulcata
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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