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Luina
Family: Asteraceae
Luina image
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John L. Strother in Flora of North America (vol. 20)
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.
Show all taxa
Luina hypoleuca
Image of Luina hypoleuca
Luina serpentina
Image of Luina serpentina
Luina stricta
Image of Luina stricta
The National Science Foundation
Development supported by National Science Foundation Grants (DBI 9983132, BRC 0237418, DBI 0743827, DBI 0847966)
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