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

11c. Crepis modocensis Greene subsp. rostrata (Coville) Babcock & Stebbins, Publ. Carnegie Inst. Wash. 504: 152. 1938.

Crepis rostrata Coville, Contr. U.S. Natl. Herb. 3: 564, plate 25. 1896

Plants 15–30 cm; setae whitish, conspicuously curled or crisped (1–2 mm). Stems densely setose or tomentose. Leaves: petioles setose; blades 10–15 × 3–4 cm (tomentulose or glabrate, midribs setose). Involucres 12–17 mm. Phyllaries densely setose or tomentose. Cypselae greenish black, 7–10 mm, beaked (beaks 1–2 mm, ribs alternating strong and weak); pappi 7–10 mm. 2n = 22, 33, 44.

Flowering May–Jul. Dry open places, rocky ridges; 1000–1100 m; B.C.; Wash.

Subspecies rostrata is distinguished mainly by the dense curly setae of the involucres and cypselae with relatively short, coarse beaks.


 

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