Flora of North America species comparison

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Erigeron breweri var. porphyreticus
Photo is of parent taxon

Brewer's fleabane, fleabane
Habit Plants 20–30 cm; woody roots and relatively slender caudex branches.
Stems

ascending-erect, often wiry and brittle.
Phyllaries

hispido-hirsute (hairs translucent, spreading, stiff, relatively thick-based), sometimes slightly glandular.

Erigeron breweri var. porphyreticus
Phenology Flowering May–Aug(–Sep).
Habitat Open, rocky sites, commonly crevices and ledges, sagebrush, pinyon-juniper, ponderosa pine
Elevation (1200–)1300–2700(–3100) m ((3900–)4300–8900(–10200) ft)
Distribution
from FNA
CA; NV
[BONAP county map]
Discussion

Variety porphyreticus is similar to var. breweri in the production of relatively slender, rhizomelike proximal caudex branches, spreading-deflexed stem vestiture, and blue ray corollas; var. porphyreticus differs in its wirier stems, generally greater development of flowering branches, larger heads, and hirsuto-hispid phyllaries with broad, stramineous-indurate margins and lack of green apical patches.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 20, p. 317.
Parent taxa Asteraceae > tribe Astereae > Erigeron > Erigeron breweri
Sibling taxa
E. breweri var. bisanctus, E. breweri var. breweri, E. breweri var. covillei, E. breweri var. jacinteus
Synonyms E. porphyreticus
Name authority (M. E. Jones) Cronquist: Brittonia 6: 283. (1947)
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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