Flora of North America species comparison

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Erigeron breweri var. porphyreticus

Erigeron breweri var. breweri
Photo is of parent taxon

Brewer's fleabane, fleabane
Photo is of parent taxon

Brewer's daisy, Brewer's fleabane
Habit Plants 20–30 cm; woody roots and relatively slender caudex branches. Plants 12–40 cm (short form) or 30–60 cm (tall form); slender, fibrous-rooted, rhizomelike bases, strongly developed woody roots usually apparently 0 or not collected.
Stems

ascending-erect, often wiry and brittle.

ascending-erect, usually not wiry or brittle. (Leaves mostly 15–35 mm).
Phyllaries

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

glabrous or sparsely hairy, densely glandular.

Erigeron breweri var. porphyreticus

Erigeron breweri var. breweri
Phenology Flowering May–Aug(–Sep). Flowering Jun–Sep.
Habitat Open, rocky sites, commonly crevices and ledges, sagebrush, pinyon-juniper, ponderosa pine Open, rocky sites, various vegetation types
Elevation (1200–)1300–2700(–3100) m ((3900–)4300–8900(–10200) ft) (1200–)1700–3000(–3100) m ((3900–)5600–9800(–10200) ft)
Distribution
from FNA
CA; NV
[BONAP county map]
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. FNA vol. 20, p. 317.
Parent taxa Asteraceae > tribe Astereae > Erigeron > Erigeron breweri Asteraceae > tribe Astereae > Erigeron > Erigeron breweri
Sibling taxa
E. breweri var. bisanctus, E. breweri var. breweri, E. breweri var. covillei, E. breweri var. jacinteus
E. breweri var. bisanctus, E. breweri var. covillei, E. breweri var. jacinteus, E. breweri var. porphyreticus
Synonyms E. porphyreticus
Name authority (M. E. Jones) Cronquist: Brittonia 6: 283. (1947) unknown
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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