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Juncus radula Buchenau
Family Juncaceae
Juncus radula Buchenau APNI*

Description: Slender, shortly rhizomatous perennial.

Culms terete, 20–65 cm long, 0.7–1.5(-2.7) mm diam., finely scabrous at least in upper half, ± soft, grey-green, glaucous; culm striations 12–28; pith continuous.

Cataphylls 7–14 cm long, ± lax, abaxially yellow-brown to pink-brown or red-brown at base, adaxially silvery. Inflorescence pseudolateral, diffuse, usually 4–12 cm long; flowers numerous, solitary or loosely clustered; branches scabrous; lowest involucral bract 9–28(-40) cm long, longer than inflorescence. Tepals often scabrous on midrib, straw-brown, occasionally tinged red-brown, with broad hyaline margins; outer tepals (1.9-)2.7–4.3 mm long, longer than or equalling inner tepals. Stamens 6 (rarely 3–5), shorter than outer tepals; anthers 0.6–1.1 mm long.

Capsule shorter than to slightly longer than outer tepals, ellipsoid to oblong or ovoid, broad-acute to obtuse, not or scarcely apiculate, golden brown.


Herbarium
Sheet

Herbarium
Sheet

Flowering: spring–summer.

Distribution and occurrence: South from Gilgandra; probably introduced to CT (only known from near Lithgow).

Grows in seasonally damp situations, in woodland and open grassland.
NSW subdivisions: NT, ?CT, CWS, SWS, NWP, SWP, SFWP
Other Australian states: Qld Vic. W.A. S.A.
AVH map***

Unique in this subgenus in having finely scabrous culms.

Text by K. L. Wilson, L. A. S. Johnson & P. Bankoff (1993); edited KL Wilson (July 2016)
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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