Flora of North America species comparison

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Sairocarpus vexillocalyculatus subsp. breweri
Photo is of parent taxon

Brewer's snapdragon
Stems

10–70(–100) cm, proximally glandular-hairy and, sometimes, eglandular-hairy.
Inflorescences

branches with 1 leaf at each proximal node.
Flowers

calyx adaxial lobe 3.5–5.5 mm;

corolla white to light purple, often with darker veins, 8–15 mm, adaxial lip 2–5.5 mm.

Sairocarpus vexillocalyculatus subsp. breweri
Phenology Flowering Jun–Sep.
Habitat Gravelly lower slopes, disturbed areas, often on serpentine.
Elevation 50–2000 m. (200–6600 ft.)
Distribution
from FNA
CA; OR
[BONAP county map]
Discussion

Subspecies breweri and Sairocarpus cornutus both have white to purple corollas and grow in the same general area; S. cornutus has a deeper spur at the base of the corolla and is self-supporting, without twining branches.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 17, p. 47.
Parent taxa Plantaginaceae > Sairocarpus > Sairocarpus vexillocalyculatus
Sibling taxa
S. vexillocalyculatus subsp. intermedius, S. vexillocalyculatus subsp. vexillocalyculatus
Synonyms Antirrhinum breweri, A. vagans var. breweri, A. vexillocalyculatum subsp. breweri, S. breweri
Name authority (A. Gray) Barringer: Phytoneuron 2013-34: 2. (2013)
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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