Juncus brevibracteus L.A.S.Johnson APNI* Synonyms: Juncus sp. I sensu Jacobs & Pickard (1981) APNI*
Description: Strongly rhizomatous perennial. Culms terete, 45–125 cm long, 2.1–4.0 mm diam., ± hard, mid-green; culm striations 42–110; pith finely interrupted.
Cataphylls 8–19 cm long, lax, abaxially dark yellow-brown to orange-brown or dark red-brown at base, adaxially coppery.
Inflorescence pseudolateral, diffuse or head-like, 3–10 cm long; flowers numerous, loosely to densely clustered; lowest involucral bract 4–16 cm long, slightly shorter than to slightly longer than inflorescence, rarely exceeding it by more than a third of its length. Tepals straw-brown, often with darker bands; outer tepals 1.5–2.2 mm long, longer than inner tepals, with narrow hyaline margins; inner tepals with broad hyaline margins. Stamens 3, shorter than outer tepals; anthers 0.4–0.7 mm long.
Capsule longer than outer tepals, ovoid to ellipsoid, obtuse to broad-acute, not or scarcely apiculate, dark golden brown, often red-brown towards apex.
Flowering: summer.
Distribution and occurrence: Common at higher altitude (including lower subalpine areas), south from the Brindabella Range. Around Sphagnum swamps and along swampy creeks.
NSW subdivisions: ST
Other Australian states: Vic.
Text by K. L. Wilson, L. A. S. Johnson & P. Bankoff (1993); edited KL Wilson (July 2016, NOv 2022)
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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