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FNA | Family List | FNA Vol. 20 | Asteraceae

234. Cacaliopsis A. Gray, Proc. Amer. Acad. Arts. 19: 50. 1883.

[Genus name Cacalia and Greek -opsis, like]

John L. Strother

Perennials, 15–90 cm (rhizomes fibrous-rooted; plants glabrous or sparsely to densely tomentose). Stems usually 1, erect. Leaves mostly basal; alternate; petiolate; blades palmately nerved (and lobed, lobes further digitately divided), ± reniform to orbiculate, ultimate margins toothed, abaxial faces lanate to floccose-tomentose, adaxial faces tomentulose and glabrescent or glabrous. Heads discoid, in racemiform to corymbiform or subumbelliform arrays. Calyculi 0. Involucres broadly turbinate to campanulate, 7–15+ mm diam. (broader in fruit). Phyllaries persistent, 8–25 in 1–2 series, erect to spreading, distinct, lanceolate to linear, margins scarious. Receptacles flat, foveolate, epaleate. Ray florets 0. Disc florets 20–50, bisexual, fertile; corollas yellow to orange, tubes longer than cylindric to funnelform throats, lobes 5, spreading, lanceolate; style branches: stigmatic areas continuous, apices with deltoid to conic appendages. Cypselae cylindric, 12–15-veined, glabrous; pappi readily falling or fragile, of 120–140, white, barbellate bristles. x = 30.

Species 1: w North America.

Lower Taxon


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