L., Sp. Pl. 789 (1753).
Derivation: Greek name of T. porrifolius, from tragos, billy-goat; pogon, beard; referring to the appearance of the pappus.
Synonymy: Not Applicable
Common name: None
Biennial herb with a tap root; stem terete, robust; leaves basal and cauline, alternate, sessile, entire, narrow, parallel-veined.
Capitula pedunculate, solitary or few in a loosely branched terminal inflorescence, homogamous; involucre cylindrical to spreading, uniseriate; bracts narrowly lanceolate, free, equal, herbaceous, imbricate at the base, valvate above; receptacle convex, naked, pitted; florets bisexual, fertile, ligulate; ligules linear, purple; corolla tube narrow-cylindrical, dilated and pubescent at the apex; anthers tailed at the base, with minute triangular apical appendages; style branches linear, acute, terete, papillose.
Achenes fusiform, ribbed, tapering into a filiform beak ending in a small disk; pappus uniseriate, of free plumose bristles.
About 50 species in temperate Europe, Asia and Africa; 2 are naturalised in Australia.
Not yet available