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Electronic Flora of South Australia species Fact Sheet

Family: Asteraceae
Helichrysum ayersii

Citation: F. Muell., Fragm. Phyt. Aust. 8:167 (1874).

Synonymy: Podolepis georgei Diels, Bot. Jb. 35:619 (1905).

Common name: None

Description:
Sparingly branched erect herb 6-50 cm tall; stem and branches sparsely to moderately scabrous with coarse glandular hairs and densely pubescent with minute sessile glandular hairs; leaves cauline, opposite towards the base of the plant, alternate distally, linear-lanceolate to linear-elliptic, flat, with a rounded to acute apex and half-clasping base, 2-7 cm long, 2-10 mm wide, sparsely scabrous-pubescent on both sides like the branches.

Capitula terminal, solitary or 2 or 3 together in a lax leafy cyme, on slender hoary peduncles 15-25 mm long, broadly campanulate to hemispherical, 10-15 mm long, 13-20 mm broad; involucral bracts 5- or 6-seriate, the inner ones longest; glandular-pubescent inner bracts in two rows, broadly obovate-acuminate, hyaline, golden-brown, somewhat wrinkled, with a subherbaceous midrib lacking petal-like laminae; florets bisexual, 40-60, the inner 20-40 sterile.

Achenes narrowly obconical with 2 median ribs, brown, pubescent with antrorse blunt hairs, the testa produced into an oblique circular ridge at the summit; pappus bristles of fertile florets numerous, stramineous, barbellate, united into distinct claws, these connate at the base and falling as a unit, of sterile florets few or lacking.

Distribution:  In woodland and shrubland of arid ranges and hills, in rocky alkaline sandy loam soils.

  W.Aust.; N.T.

Conservation status: native

Flowering time: July — Sept.


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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