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FNA | Family List | FNA Vol. 20 | Asteraceae

235. Luina Bentham, Hooker’s Icon. Pl. 12: 35, plate 1139. 1873.

[Anagram of Inula, name of another genus of Asteraceae]

John L. Strother

Perennials, 15–60 cm (caudices branched). Stems 1–5+, erect to spreading. Leaves cauline; alternate; sessile or petiolate; blades palmately (± parallel) nerved, ovate to lanceolate, margins entire or toothed, abaxial faces tomentose to lanate, adaxial faces tomentulose (gray-green) or glabrous (green). Heads discoid, in corymbiform to subumbelliform arrays. Calyculi 0. Involucres ± turbinate, 3–8 mm diam. Phyllaries persistent, 6–14 in 1–2 series, erect, distinct, ovate to lanceolate or linear, subequal, margins ± scarious. Receptacles flat to convex, smooth or foveolate, epaleate. Ray florets 0. Disc florets 11–26, bisexual, fertile; corollas creamy to bright yellow, tubes longer than cylindric to funnelform throats, lobes 5, erect or spreading to recurved, deltate to lanceolate; style branches stigmatic in 2 lines (joined near tips), apices rounded-truncate. Cypselae terete to fusiform, 9- or 12–15-nerved, glabrous or strigose; pappi persistent, of 80–125, white, barbellulate bristles. x = 30.

Species 2 (2 in the flora): w North America.

1 Leaf blades ovate to lanceolate (lengths 2–5 times widths); phyllaries ovate to lanceolate, 5–9 mm   1 Luina hypoleuca
+ Leaf blades lanceolate (lengths 5–10 times widths); phyllaries linear, 9–10 mm   2 Luina serpentina

Lower Taxa


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