Yermo xanthocephalus
Madroño 38: 199, fig. 1. 1991.
Common names: Desert yellow-head
IllustratedEndemicConservation concern
Treatment appears in FNA Volume 20. Treatment on page 634.
Revision as of 21:00, 5 November 2020 by imported>Volume Importer
Taproots penetrating to 20–25+ cm. Stems hollow. Leaf blades 4–25 × 1–6 cm. Peduncles 3–15 mm. Involucres 8–15 mm. Disc florets slightly exserted from involucres; corollas: tubes 3.5 mm, throats 2.5 mm, lobes 2–3(–3.5) mm. Cypselae 6–7 mm; pappi 5 mm.
Phenology: Flowering Jun(–Aug).
Habitat: Barren, white silty-clay
Elevation: 2000 m
Discussion
Of conservation concern.
Yermo xanthocephalus is known only from one site in central Wyoming. It is in the Center for Plant Conservation’s National Collection of Endangered Plants.
Selected References
None.
Lower Taxa
None.