Crepis modocensis subsp. modocensis

Common names: Modoc or Siskiyou hawksbeard
Endemic
Synonyms: Crepis scopulorum Coville
Treatment appears in FNA Volume 19. Treatment on page 230. Mentioned on page 229.

Plants 10–35 cm; setae yellowish, ± straight. Stems (slender, always with primary axes, branched near or beyond middles) sparsely setose (setae yellowish). Leaves: petioles setose; blades (narrowly elliptic), 10–20 × 2–4 cm. Involucres 11–16 mm. Phyllaries sparsely setose (setae blackish). Cypselae deep greenish to blackish or deep reddish brown, 7–12 mm, tapered distally, not distinctly beaked; pappi 5–10 mm. 2n = 22


Phenology: Flowering May–Jul.
Habitat: Dry open ridges, rocky slopes
Elevation: 900–2500 m

Distribution

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B.C., Calif., Colo., Idaho, Mont., Nev., Oreg., Utah, Wash., Wyo.

Discussion

Subspecies modocensis includes a diploid form and apomictic polyploid forms (E. B. Babcock 1947).

Selected References

None.

Lower Taxa

None.