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FNA | Family List | FNA Vol. 19, 20 and 21 | Asteraceae | Glyptopleura

2. Glyptopleura setulosa A. Gray, Proc. Amer. Acad. Arts. 9: 211. 1874.

Keyesia, holly-dandelion

Glyptopleura marginata D. C. Eaton var. setulosa (A. Gray) Jepson

Plants 2–6 cm. Leaves 1–6 cm, margins narrowly white-crustose. Heads 3–4 cm diam. (often appearing disproportionately large for size of plants). Calyculi: margins of outer bractlets crustose-toothed mostly near apices. Involucres 10–15 mm. Florets 7–14; corollas cream to pale yellow, aging pink or purple, ligules 15–25 mm, exserted 10–20 mm beyond involucres.

Flowering Mar–May. Sandy desert flats, rocky soil, arid grasslands, often with Larrea; 1000–1400 m; Ariz., Calif., Nev., Utah.

Glyptopleura setulosa is found in the Mojave desert. Some authors (e.g., P. A. Munz 1974; G. L. Stebbins 1993b) have included G. setulosa within G. marginata. The taxa appear to be readily distinguishable and worthy of recognition as distinct species.


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