Benth., Fl. Aust. 3:647 (1867).
Synonymy: Pteropogon pygmaeum DC., Prod. 6:245 (1838); H. pygmaeum (DC.)Benth. var. occidentale Benth., Fl. Aust. 3:647 (1867).
Common name: Pigmy sunray.
Annual or ephemeral 2-10 cm high; stems several, ascending, simple or few-branched, glabrous to slightly cobwebby; leaves alternate, linear, acute, 0.5-2 cm long, c. 0.5 mm wide, glabrous above, slightly cobwebby below, with recurved margins.
Capitula subsessile in a dense terminal leafy cluster; involucre cylindrical with a broadened base, 7-10 mm long, 2-3-seriate, glabrous; outer bracts ovate, scarious, straw-coloured; inner bracts longer, oblong-lanceolate, scarious, subhyaline, usually with white spreading acute apices to 1 mm long; receptacle minute, flat; florets 3-6, 1-3 of them sterile.
Fertile achenes narrow-obovoid, 3-4 mm long, villous-sericeous; pappus bristles 20-30, hardly connate, c. 6 mm long, evenly plumose from the base, persistent; sterile achenes linear, glabrous, with a shorter pappus.
Cunningham et al. (1982) Plants of western New South Wales, p. 691.
W.Aust.; Qld; N.S.W.; Vic.
Flowering time: June — Oct.
SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia
The variety occidentale Benth., based on subglabrous specimens with vestigial bract apices from W.Aust., is not recognised in this flora treatment; there is a continuous gradation in vestiture and in the length of white bract apices in S.Aust. material.
Not yet available