Difference between revisions of "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.
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|tribe=Asteraceae tribe Cichorieae | |tribe=Asteraceae tribe Cichorieae | ||
|genus=Crepis | |genus=Crepis | ||
Revision as of 20:16, 16 December 2019
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.