Juncus dolichanthus L.A.S.Johnson APNI* Synonyms: Juncus sp. Y sensu Jacobs & Pickard (1981) APNI*
Description: Slender rhizomatous perennial. Culms terete, 30–60 cm long, 0.9–1.7 mm diam., ± hard, grey-green; culm striations 22–32; pith continuous, occasionally interrupted above.
Cataphylls 5–8 cm long, ± tight, abaxially golden brown to dark yellow-brown or rarely red-brown at base, adaxially silvery.
Inflorescence pseudolateral, diffuse, 4–11 cm long; flowers numerous, solitary; lowest involucral bract 5–18 cm long, longer than to slightly shorter than inflorescence. Tepals straw-brown, often tinged red-brown; outer tepals 2.9–3.1 mm long, longer than or equalling inner tepals, with ± broad hyaline margins; inner tepals with broad hyaline margins. Stamens 6 (rarely 3–5), shorter than outer tepals; anthers 0.5–1.0 mm long.
Capsule shorter than to slightly longer than outer tepals, ellipsoid to ovoid, obtuse, not or scarcely apiculate, golden brown to dark golden brown.
Flowering: spring–summer.
Distribution and occurrence: Grows on sandy soils in shallow floodways; known only from 3 localities on the north-western edge of the Pilliga Scrub.
NSW subdivisions: NWP
Text by K. L. Wilson, L. A. S. Johnson & P. Bankoff (1993); edited KL Wilson (Nove 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.
|