Volume IV (1988) - Flora of New Zealand Naturalised Pteridophytes, Gymnosperms, Dicotyledons
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Picris L.

PICRIS L.

Annual to perennial taprooted herbs. Hairs eglandular, stiff, bristly, with 2-4 recurved barbs at apex; lf hairs sometimes with white bulbous bases; spines sometimes present. Stem usually solitary, branched above. Lvs basal and cauline, shallowly dentate to pinnatisect. Capitula terminal and axillary, pedunculate. Involucral bracts in several series, hairy to bristly, the outer either broad and leaflike or similar to the inner. Receptacle areolate, the areoles ciliolate; scales 0. Corolla ligulate, yellow, sometimes red-striped. Style branches filiform, dark. Achenes brown or pale, numerous, terete, transversely wrinkled, beaked or not; pappus white to sordid, in 2 rows, the inner plumose, the outer plumose or simple, sometimes pappus seemingly in 1 row.

Key

1
Lf and stem hairs with 3-4 recurved barbs at apex; outer involucral bracts ovate, broadly cordate at base; achene beak > or = body
Lf and stem hairs with 2 recurved barbs at apex; outer involucral bracts linear- lanceolate, slender at base; achene beak very short or 0

40-50 spp., Eurasia, N. Africa, Australasia. Native sp. 1, naturalised 1.

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