Senecio amplectens var. holmii |
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Holm's ragwort |
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Habit | 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. |
Senecio amplectens var. holmii |
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Phenology | Flowering mid–late summer. |
Habitat | Loose, rocky soil at or above timberline |
Elevation | 2900–4200 m (9500–13800 ft) |
Distribution |
CO; MT; NM; NV; UT; WY |
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. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 20, p. 552. |
Parent taxa | |
Sibling taxa | |
Synonyms | S. holmii, Ligularia holmii, S. seridophyllus |
Name authority | (Greene) H. D. Harrington: Man. Pl. Colorado, 641. (1954) |
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