Electronic Flora of South Australia
Electronic Flora of South Australia
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Electronic Flora of South Australia species Fact Sheet

Family: Compositae
Leptorhynchos baileyi

Citation: F. Muell., Fragm. Phyt. Aust. 10:101 (1877).

Synonymy: L. tetrachaetus (Schldl.) J. Black var. penicillatus J. Black, Trans. R. Soc. S. Aust. 45:19 (1921); Helichrysum basedowii J. Black, Trans. R. Soc. S. Aust. 52:230 (1928).

Common name: None

Slender annual herb 4-25 cm tall; stems ascending to erect, sparingly to much-branched, with a sparse vestiture of cobwebby hairs; leaves linear, with recurved margins, acute apex and a broadly sessile base, mostly 1-2 cm long, 1-1.5 rarely 2.5 mm wide, sparsely pubescent like the stems, more densely so on the underside and with minute glandular hairs on both sides.

Peduncles 2-5 cm long, terminating leafy branchlets up to 10 cm long; capitula broadly campanulate, 7-9 mm long; involucral bracts scarcely extending down the peduncle, with a cobwebby vestiture especially towards the base, margins long-ciliate, the cilia equal to or slightly exceeding the width of the bracts, the majority of the bracts semi-transparently hyaline with a translucent midrib, stramineous, the outer ones narrowly ovate to lanceolate, long-acuminate, the inner ones with linear herbaceous glandular-pubescent claws with scarious margins and linear acuminate laminae; florets mid-yellow.

Achenes oblong-elliptic, slightly contracted at the apex, papillose; pappus bristles three-quarters as long as the floret, obscurely barbellate in the lower half, stiffly plumose in the upper half, of bisexual florets 1, rarely 3, of the female ones generally lacking.

Distribution:  In mulga and Acacia shrubland, on sandy and sandy loam soils.

S.Aust.: NW, LE, GT, FR, EP, MU.

Conservation status: native

Flowering time: Aug. — Nov.

SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia

Biology: Close to L. tetrachaetus which may be distinguished by its achenes with 4 barbellate bristles as long as the floret.

Author: Not yet available

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