Flora of North America species comparison

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Senecio amplectens var. amplectens

Senecio amplectens var. holmii
Photo is of parent taxon

showy alpine ragwort
Photo is of parent taxon

Holm's ragwort
Habit Plants (30–)40–60+; herbage sometimes sparsely hairy. Plants (5–)10–20(–30) cm (herbage glabrous or glabrate at flowering).
Stems

single or loosely clustered (relatively stiff-erect).

usually clustered (arching upward).
Leaves

mostly proximal and mid cauline (basal smaller, usually withering before flowering).

mostly basal and proximal;

mid and distal leaves reduced;

herbage glabrous or at least glabrate at maturity.
Phyllaries

frequently black or purplish toward tips, sometimes with black hairs on abaxial faces.

green or light purplish, glabrous.

Senecio amplectens var. amplectens

Senecio amplectens var. holmii
Phenology Flowering mid–late summer. Flowering mid–late summer.
Habitat Damp or drying, loose, rocky sites in upper conifer associations and near timberline Loose, rocky soil at or above timberline
Elevation 3100–4100 m (10200–13500 ft) 2900–4200 m (9500–13800 ft)
Distribution
from FNA
CO; NM
[BONAP county map]
from FNA
CO; MT; NM; NV; UT; WY
[BONAP county map]
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. FNA vol. 20, p. 552.
Parent taxa Asteraceae > tribe Senecioneae > Senecio > Senecio amplectens Asteraceae > tribe Senecioneae > Senecio > Senecio amplectens
Sibling taxa
S. amplectens var. holmii
S. amplectens var. amplectens
Synonyms S. pagosanus S. holmii, Ligularia holmii, S. seridophyllus
Name authority unknown (Greene) H. D. Harrington: Man. Pl. Colorado, 641. (1954)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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