F. Muell., Linnaea 25:399 (1853).
Synonymy: Not Applicable
Common name: Smooth daisy.
Perennial herb or undershrub 10-40 cm high: stems erect, much branched, glabrous to scabfid, ribbed, produced annually from a woody stock or woody and perennial; leaves all cauline, sessile, linear to narrowly oblanceolate, acute, entire or pinnatisect with few linear lateral lobes, 1-3.5 cm long, to 1.5 mm wide, glabrous; peduncles in loose corymbs, filiform, leafless or with 1 or 2 minute leaves, glabrous or glandular; receptacle convex, c. 1.2 mm diam.; involucral bracts 12-20, oblong to obovate, subacute, 2-2.3 mm long, minutely glandular to glabrous, green, with slightly torn margins; ray florets 14-20; ligules broadly linear, c. 5 mm long, white to lilac; anthers without terminal appendages.
Achenes cuneate to oblanceolate, more or less flattened, 1.5-1.8 mm long, brown; margins narrow, wingless, smooth; faces tuberculate with glandular hairs; pappus a minute ring of connate teeth.
In mallee and woodland, on sandy soils and among rocks.
All mainland States.
Flowering time: most of the year.
SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia
Populations of B. trachycarpa on the Nuyts Archipelago represent a variant with a compact habit and thickened fleshy leaves.
Not yet available