Machaerina gunnii (Hook.f.) J.Kern APNI* Synonyms: Baumea gunnii (Hook.f.) S.T.Blake APNI*
Cladium gunnii Hook.f. APNI*
Description: Slender, tufted perennial with very short rhizome. Culms slender, rigid, ± terete, nodeless, striate, glabrous, scaberulous to smooth, 20–100 cm high, 0.8–1.5 mm diam.
Leaves basal; blade culm-like, as long as to slightly exceeding culm, 0.7–1.5 mm diam., or reduced; sheath reddish or straw-coloured (but then usually with reddish tinges), dull.
Inflorescence interrupted-oblong in outline, narrow, erect, 4–30 (rarely to 60) cm long, to 1.5 cm diam.; lowest involucral bract much shorter than inflorescence. Spikelets few, 1-flowered, 4.5–8 mm long. Glumes 2–4, acute, red-brown to grey-brown, with margins glabrous; fertile glumes 4.5–7 mm long. Anthers c. 2 mm long, excluding appendage c. 0.5 mm long.
Nut ovoid or globose, 2.5–3.6 mm long, 1.3–1.8 mm diam., ± smooth, minutely hispid or papillose at extreme apex only, ± shining, yellow-brown to black.
Flowering: spring–summer.
Distribution and occurrence: South from La Perouse on coast, south from Backwater on tablelands, with an apparently isolated occurrence on Koonyum Ra. Grows in swamps and by watercourses.
NSW subdivisions: NC, CC, SC, NT, CT, ST
Other Australian states: Qld Vic. Tas. S.A.
Text by K. L. Wilson (1993); edited KL Wilson (Feb 2023)
Taxon concept: Flora of NSW 4 (1993) as Baumea gunnii
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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