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Electronic Flora of South Australia species Fact Sheet

Family: Compositae
Helichrysum monochaetum

Citation: H. Eichler, Taxon 12:295 (1963).

Synonymy: Gratwickia monochaeta F. Muell., Chem. & Drugg. Australas. 11:242 (1896); H. mellorianum J. Black, Trans. R. Soc. S. Aust. 37:122 (1913).

Common name: None

Description:
Sparingly to much-branched annual herbs 2-18 cm tall and up to 10 cm diam., with several ascending stems; stems and branches sometimes purple-tinged, with a moderately dense vestiture of loose woolly hairs and sessile glandular hairs, becoming less dense with age; leaves narrowly oblanceolate, almost linear, with recurved margins, an acute to apiculate apex, and a broadly sessile base, mostly 1-3 cm long, 1-2 mm broad, with a vestiture like that of the stems, more dense on the underside.

Capitula several in tight clusters terminating the stems and branches, sessile, campanulate, 4-5 mm long; involucral bracts almost all equal in length, with long-ciliate lanceolate scarious stramineous to yellow laminae, the cilia a bright golden-yellow and in length 2 or 3 times the width of the laminae; outer bracts wholly hyaline; inner bracts equal or subequal to the florets, with linear subherbaceous glandular-pubescent claws with colourless hyaline margins, the claws of the innermost bracts equal in length to the laminae.

Achenes obovoid-ellipsoid, slightly compressed glabrous, smooth; pappus bristle 1 on bisexual florets, barbellate or entire in the lower third, finely plumose and a bright golden-yellow distally, lacking on female florets.

Distribution:  On various sites but usually in sand; apparently uncommon.

Conservation status: native

Flowering time: Aug. — Oct.


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

Biology: No text

Author: Not yet available


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