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Electronic Flora of South Australia species Fact Sheet

Family: Asteraceae
Osteospermum calendulaceum

Citation: L.f., Suppl. 386 (1782).

Synonymy: Oligocarpus calendulaceus (L.f.) Less., Syn. Gen. Comp. 90 (1832).

Common name: None

Description:
Annual herb to 30 cm high, aromatic; stems branched from the base, ascending, weak, becoming decumbent, glandular-pubescent, often woody at the base; leaves narrowly lanceolate to oblanceolate, the lower ones attenuate at the base, entire or shallowly dentate, 2-5 cm long, 2-5 mm wide, glandular-pubescent.

Capitula solitary on peduncles 1-2 cm long with a few reduced leaves; involucral bracts 6-9, uniseriate, lanceolate, subequal, 3-5 mm long, glandular; ray florets 8-12; ligules 5-7 mm long, yellow.

Achenes c. 4 mm long, mostly laterally wrinkled, light-brown, polymorphic, many beakless with 2 or 3 scarious wings, others wingless with a cup-shaped hollow beak, or horn-shaped with a terete solid beak, or wingless and beakless.

Distribution:    W.Aust.   Native to South Africa.

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


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