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FNA | Family List | FNA Vol. 20 | Asteraceae | Oonopsis

3. Oonopsis wardii (A. Gray) Greene, Pittonia. 3: 46. 1896.

Ward’s goldenweed

Haplopappus fremontii A. Gray var. wardii A. Gray in A. Gray et al., Syn. Fl. N. Amer. 1(2): 128. 1884 (as Aplopappus fremonti var. wardi); H. fremontii subsp. wardii (A. Gray) H. M. Hall; H. wardii (A. Gray) Dorn; Oönopsis condensata (A. Nelson) A. Nelson; O. wardii (A. Gray) Greene var. condensata A. Nelson

Plants (4–)9–30 cm. Stems glabrous. Leaf blades oblanceolate to narrowly obovate or oblong-oblanceolate, 19–120 × 2–11(–16) mm, cauline bases not auriculate or clasping, distalmost cauline abruptly reduced. Heads not immediately subtended by leaflike bracts. Involucres 10–17 mm. Phyllary apices long-acuminate to long-acute, not apiculate or cuspidate. Ray florets 0. Disc florets 10–45. Cypselae 4.5–6.1(–7) mm, faces glabrous. 2n = 10.

Flowering Jul–Sep. Barren selenium hills and flats, alkaline clay flats, shale-alkali ridges, disturbed roadsides; 2000–2300 m; Wyo.

Oönopsis wardii grows in Albany, Carbon, and Natrona counties.


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