Crepis bakeri subsp. idahoensis
Publ. Carnegie Inst. Wash. 504: 141, fig. 22o–q. 1938.
Common names: Idaho hawksbeard
Treatment appears in FNA Volume 19. Treatment on page 226.
Revision as of 00:14, 27 July 2019 by FNA>Volume Importer
Plants 25–30 cm. Leaves 15–18 × 5–5.5 cm, shallowly lobed, lobes deltate, sharply dentate, faces glabrate. Heads 7–22. Calyculi: bractlets deltate (longest much shorter than phyllaries). Invo-lucres narrowly cylindric or turbinate, 18–21 mm in fruit. Cypselae reddish brown, 8 mm, apices narrow, not strongly tapered; pappi 12–13 mm. 2n = 55.
Phenology: Flowering May–Jul.
Habitat: Dry open places
Elevation: 400–2200 m
Discussion
Of conservation concern.
Plants of subsp. idahoensis are generally larger and more robust than the other subspecies, with more heads per stem. They are possibly allopolyploids, with Crepis occidentalis or C. monticola in their lineage (E. B. Babcock 1947).
Selected References
None.
Lower Taxa
None.