Annual or perennial herbs. Leaves opposite, very rough to the touch (in ours).
Capitula terminal, solitary or in lax racemes, sometimes axillary, radiate, yellow, white, lilac or purple. Phyllaries 2-3-seriate. Receptacular scales clasping the florets, narrowly oblong to obovate. Achenes obovoid, bilaterally flattened, pubescent. Pappus a laciniate cupule, often with 2 barbellate setae in addition. Derivation of name: from Greek: a meaning without, spilos, a spot or blemish, hence spotless. Zimbabwe: 5 taxa. |
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