Difference between revisions of "Castilleja exserta var. venusta"
Phytologia 90: 70. 2008.
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|genus=Castilleja | |genus=Castilleja | ||
|species=Castilleja exserta | |species=Castilleja exserta | ||
Latest revision as of 19:24, 5 November 2020
Herbs 0.4–2.3 dm. Inflorescences 2–12.5 cm; bracts: distal apices pink, light purple, or yellow- or orange-spotted, 4–5.5 mm, (3–)5(–7)-lobed; lobes linear to narrowly spatulate, 2 × 0.8–1.2 mm. Calyces 16–19 mm; abaxial clefts 6.5–9.5 mm, adaxial 9–13 mm, clefts 40–70% of calyx length, lateral 5.5–8 mm, 34–45% of calyx length. Corollas 20–27 mm; tube 13–15 mm; beak 7–10 mm; abaxial lip deep red-purple proximally, distal 1/4 bright yellow to yellow-orange, becoming orange or red after anthesis, 4–7 mm.
Phenology: Flowering (Mar–)Apr–May(–Jul).
Habitat: Dry sand, desert washes, creosote scrub, saltbush flats.
Elevation: 300–1500 m.
Discussion
Variety venusta is endemic to the western Mojave Desert region of southern California. Typical var. exserta is found east and west of it, in less arid grasslands. In var. venusta, the corolla is consistently different in color pattern and intensity from var. exserta.
Selected References
None.