Family: Asteraceae
Ammobium alatum
Citation:
R. Br. in Sims, Curtis's Bot. Mag. 51:t. 2459 (1824).
Synonymy: Not Applicable Common name: Ammobium.
Description:
Perennial or facultative annual to 80 cm high; basal leaves narrowly lanceolate to spathulate with attenuate petiole-like bases, acute, 10-20 cm long, 5-15 mm wide, glaucous-green above, silvery-tomentose below; stems erect, rather weak, 4-winged, silvery-white cobwebby, divaricately branched; cauline leaves few, bract-like, narrowly lanceolate, 2-8 cm long.
Involucre c. 2 cm diam., white; florets bright-yellow, darkening with age; receptacular scales oblong to oblanceolate, herbaceous at first, becoming indurated, blackish-brown with a paler uneven apex, usually with a mucro, 3-4 mm long; base of corolla tube becoming swollen and persistent.
Achenes 3-4 mm long, finely rugose, black; pappus cup c. 0.5 mm long with awns to 1 min.
Distribution:
|
On roadsides.
S.Aust.: SL. Native to Qld and N.S.W.
|
Conservation status:
naturalised
Flowering time: Dec. — April.
|
SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia
|
Biology:
A native of the tablelands in the eastern States; widespread in cultivation, and recorded as an adventive in this State.
Author:
Not yet available
|