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Electronic Flora of South Australia
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Electronic Flora of South Australia genus Fact Sheet

Family: Compositae
Elachanthus

Citation: F. Muell., Linnaea 25:411 (1853).

Derivation: Greek elachys, short; anthos, flower; as the florets are exceeded by the pappus.

Synonymy: Not Applicable

Common name: None

Description:
Annual herbs; vestiture non-glandular; stems terete; leaves cauline, numerous, alternate, sessile, entire.

Capitula solitary, terminal, pedunculate, small, discoid, heterogamous; involucres cup-shaped; bracts herbaceous with scarious margins, imbricate in 2 subequal series with a few smaller outer bracts; receptacle convex, naked, pitted; outer florets female, 2- or 3-seriate; corollas narrowed and minutely 2- or 3-lobed at the apex; style branches linear, flattened, acute, glabrous.

Achenes bearing minutely 2-fid hairs; pappus of numerous scales exceeding the involucre and corolla; inner florets 2-5, bisexual, sterile, tubular, 3-5-merous; corollas slightly widened upwards; anthers obtuse at the base with short acute apical appendages; style branches subulate, long-papillose outside, partially connate; achenes abortive, linear, glabrous; pappus uniseriate, of bristles or scales.

Distribution:  2 species in Australia.

Biology: No text

Key to Species:
1. Leaves and stems glabrous; fertile achenes minutely pubescent
E. glaber 1.
1. Leaves and stems finely pubescent; fertile achenes densely sericeous-villous
E. pusillus 2.

Author: Not yet available


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