Senecio amplectens var. holmii
Man. Pl. Colorado, 641. 1954.
IllustratedEndemic
Basionym: Senecio holmii Greene Pittonia 4: 120. 1900
Synonyms: Ligularia holmii (Greene) W. A. Weber S. seridophyllus Greene
Treatment appears in FNA Volume 20. Treatment on page 552.
Plants (5–)10–20(–30) cm (herbage glabrous or glabrate at flowering). Stems usually clustered (arching upward). Leaves mostly basal and proximal; mid and distal leaves reduced; herbage glabrous or at least glabrate at maturity. Phyllaries green or light purplish, glabrous.
Phenology: Flowering mid–late summer.
Habitat: Loose, rocky soil at or above timberline
Elevation: 2900–4200 m
Distribution
Colo., Mont., Nev., N.Mex., Utah, Wyo.
Discussion
Plants of var. holmii from the Ruby Mountains, Nevada, have heads that are less prominently nodding and ray corollas with shorter laminae than are usual for plants of the variety from elsewhere; those plants are extremes within the variation for the variety as it is circumscribed here.
Selected References
None.
Lower Taxa
None.