Centaurea sp. B sensu Murray (1992) APNI*
Synonyms: Centaurea jacea L. APNI*
Description: Perennial herb to 1.2 m high; stems erect or ascending, scabrous, simple or few-branched from the middle, thickened below the heads.
Leaves scabrous on the margins and on lower surface, 2–5 cm long, 0.5–2 cm wide; basal leaves ovate to broad-lanceolate, margins entire, toothed or pinnatifid; cauline leaves sessile, oblong-lanceolate, entire or toothed.
Heads solitary, ovoid, 8–10 mm diam.; involucral bracts with a pale brown rounded appendage; appendage scarious, margins deeply pectinate, usually covering the base of the bract above. Florets purple, rarely white, the outer ± radiate; corolla non-glandular.
Achenes c. 3 mm long, pale greyish to blackish brown; pappus absent or very short.
Distribution and occurrence: Grows in the Tenterfield area. Native of Eur.
NSW subdivisions: *NT
Other Australian states: *Qld *Tas.
Known only from a collection made at the turn of the century; possibly C. nigra L.
Text by L. Murray
Taxon concept: Flora of NSW 3 (1992)
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