Common name: Grey Wrinklewort
Rutidosis helichrysoides DC. APNI*
Description: Erect branched perennial herb 25–50 cm high, woody at base; branches cottony to woolly, sometimes hairs sparse.
Leaves variable, oblanceolate to linear or ± lanceolate, usually 2–8 cm long, 2–10 mm wide, margins ± recurved, lamina ± cottony to woolly.
Corymb with few to many heads, rarely heads solitary; heads broad-hemispherical, 8–20 mm diam.; involucral bracts 7–9-seriate, 6–10 mm long; outer bracts scarious, yellowish to golden-brown, transversely wrinkled, long-ciliate; inner bracts similar and with broad ± herbaceous glandular-pubescent claw. Florets numerous, all bisexual, c. 6 mm long; corolla yellow.
Achenes narrow-obovoid, c. 1.5 mm long, angular, dark brown, papillose, base oblique; pappus of 5–7 spathulate scales, 1.5–2 mm long, whitish.
Distribution and occurrence: Grows in a wide range of sites, often along watercourses and on floodplains; west and chiefly north from Cobar district.
NSW subdivisions: NWP, SWP, NFWP, SFWP
Other Australian states: Qld Vic. W.A. S.A. N.T.
Text by G. J. Harden
Taxon concept: Flora of NSW 3 (1992)
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.