Family: Asteraceae
Helipterum tenellum
Citation:
Turcz., Bull. Soc. Nat. Mosc. 24:198 (1851).
Synonymy: Not Applicable Common name: Slender sunray.
Description:
Annual herb 4-20 cm high; stems erect, branched, sparsely glandular-pubescent, brown; leaves opposite to alternate, linear, obtuse, to 2.5 cm long, to I mm wide, subterete, sometimes channelled above, very finely glandular-pubescent to glabrescent.
Capitula in loose leafy corymbs, on short peduncles not distinct from the stems; involucre campanulate, 4-7 mm long, c. 4-seriate, glabrous; outer bracts lanceolate, scarious, golden-brown, some with leaf laminae and grading into the surrounding leaves; inner bracts with truncate-lanceolate scarious stramineous claws and yellow ovate or lanceolate acute spreading laminae 2.5-4.5 mm long; receptacle conical; florets 10-18, sometimes a few sterile; corollas golden-yellow.
Fertile achenes narrow-obovoid, 1.5-2 mm long, sericeo-villous; pappus bristles 12-20, free, 3.5-4 mm long, evenly plumose from the base, persistent; sterile achenes pubescent, with fewer pappus bristles.
|
Conservation status:
native
Flowering time: Sept. — 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
|
