NEW SOUTH WALES FLORA ONLINE

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Description: Perennial herb with ascending to erect branches, up to c. 25–30 cm long, with a somewhat dense indumentum of shortly stalked glandular hairs.

Leaves basal and cauline, alternate, linear-oblanceolate to oblanceolate in outline 4.5–50 mm long, 1–11 mm wide, basal and lower cauline leaves tapering to distinct petiole like bases, uppermost cauline leaf often entire, otherwise leaves with 1–9 apically acute, entire teeth or lobes; indumentum similar to that on stems.

Involucre c. 3.5–5 mm diam. Involucral bracts c. 11–15, in c.1 row, ovate, elliptic, or obovate to barely oblanceolate, 2.7–3.9 mm long, apices and margins hyaline, stalked glandular hairs usually dense abaxially. Ray florets c. 17–27, in 1 or 2 rows; corolla 4.7–5.7 mm long, with scattered glandular hairs basally, white; veins 4 or 5.

Achenes essentially obovate and laterally flattened, sometimes surfaces slightly swollen and fruit almost subcylindrical, brown when immature, maturing blackish-brown or black, tubercles to c. 20–30 per lateral surface but often obscure, eglandular hairs, apically curled; pappus absent.

Illustration C. Wardrop

Flowering: Spring to summer flowering.

Distribution and occurrence: Restricted to a small region centred about Tamworth, with populations found to the east at Walcha, to the south at Nundle and to the northeast and – disjunctly – in Mt Kaputar N.P.

Grows in Eucalyptus–Callitris forest on sandy soil over granite substrates.
NSW subdivisions: NT, NWS

AVH map***

This species differs from B. nova-anglica in having a general indumentum of shortly stalked glandular hairs which are 0.04–0.12 mm long, in having comparatively swollen cypselas with eglandular, apically curled hairs.