Citation: Benth., Fl. Aust. 3:476 (1867).

Synonymy: Aster ramulosus Labill., Nov. Holl. Pl. Sp. 2:51, t. 198 (1806).

Common name: Twiggy daisy-bush.

Description:
Shrub to 1.5 m high, often curry-scented; stems woody, erect or ascending, much-branched, pubescent or tomentose, without ribs; leaves sessile, patent, linear to oblong, narrowed at the base, obtuse, 4-12, rarely to 20 mm long, c. 1 mm wide, glabrous to pubescent above, tomentose with a distinct mid-vein below; margins entire, revolute.

Capitula solitary, subsessile or on a condensed shoot to 4 mm in the leaf axils along the branches, usually exceeded by the subtending leaf; involucre cylindrical, 3-6 mm long; bracts 2-3-seriate, lanceolate, obtuse, glabrous or pubescent; ray florets 2-8; ligules oblong, 2-5 mm long, white, pink or pale-blue; disk florets 3-10, yellow.

Achenes terete, 1-2 mm long, striate, pubescent; pappus bristles 25-35, mostly c. 3 mm long, with a few shorter ones forming an outer series.

Published illustration: Costerroans (1981) Native trees and shrubs of south-eastern Australia, p. 281.

Distribution:  In mallee, woodland and coastal scrub. S.Aust.: GT, FR, EP, NL, YP, SL, KI, SE.   W.Aust.; Qld; N.S.W.; Vic.; Tas. Conservation status: native Flowering time: most of the year.

SA Distribution Map based on current data relating to specimens held in the State Herbarium of South Australia

Biology: O. ramulosa varies widely in size, leaf length, development of ligules and in vestiture, which can consist of woolly hairs, glandular hairs and minute bristles in various mixtures; the species is regarded as a complex of numerous intergrading variants.

Author: Not yet available