Difference between revisions of "Crepis runcinata subsp. hallii"
Publ. Carnegie Inst. Wash. 504: 104, fig. 13. 1938.
Common names: Hall’s or meadow hawksbeard
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Revision as of 21:16, 16 December 2019
Plants 20–60 cm. Leaves: petioles narrowly winged; blades oblanceolate or narrowly obovate, 1.5–3 cm wide, margins coarsely dentate or pinnately lobed (teeth not prominently white-tipped), faces glabrous (glaucous). Heads 5–14. Involucres 9–13 mm. Phyllaries lanceolate, apices acute, faces strongly stipitate-glandular. Cypselae chestnut brown, 4.5–6.5 mm, narrowed, not beaked; pappi 6–7 mm. 2n = 22
Phenology: Flowering Jul–Aug.
Habitat: Moist alkaline meadows, seeps, valley bottoms
Elevation: 1200–2500 m
Discussion
Subspecies hallii is similar to subsp. runcinata, differing mainly in the dentate leaf margins. It differs from subsp. glauca mainly in having stipitate-glandular phyllaries.
Selected References
None.
Lower Taxa
None.