Crepis runcinata subsp. hallii

Babcock & Stebbins

Publ. Carnegie Inst. Wash. 504: 104, fig. 13. 1938.

Common names: Hall’s or meadow hawksbeard
Endemic
Treatment appears in FNA Volume 19. Treatment on page 237. Mentioned on page 235.

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.