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Castilleja minor var. spiralis

One of four accepted varieties of a western North American annual in the Orobanchaceae, native from British Columbia to California and east to the Rocky Mountains, with a corolla longer than one inch and much shorter, non-glandular hairs, occurring in wet or seepage habitats to 7,000 feet in the Tehachapis of the Southwest, and blooming May to September.

Common Names

Lesser Indian Paintbrush, Lesser Paintbrush

Summary

Serpentine paintbrush, also known as Lesser Indian Paintbrush, is an annual herb native to California within western North America. It grows up to 4 feet tall with unbranched stems and narrow leaves that are lanceolate to linear; the corolla is longer than 1 inch and the hairs are short and non-glandular, giving distinctive floral characteristics. It inhabits moist locations such as wet meadows and streambanks, with a distribution that includes the Rocky Mountain states and all western states.

For cultivation, it prefers moist sites and has a blooming period from May to September; the plant reaches up to 4 feet in height and typically has unbranched stems with slender leaves, fitting moisture-rich settings.

Lifecycle

Annual

Soil Type

Moist, serpentine (ultramafic) soils

Soil Drainage

Wet or poorly drained soils

Bloom Color

Red

Bloom Time

Spring, Summer, Fall

Foliage Color

Green

Growth Rate

Annual

Seasons of Interest

Spring, Summer, Fall

Taxonomy

Taxonomic Rank
Variety
Author
(Jeps.) J.M.Egger
Publication
Phytologia 90: 74 (2008)

Superior Taxa

Kingdom
Plantae
Subkingdom
Pteridobiotina
Phylum
Angiosperms
Order
Lamiales
Family
Orobanchaceae
Genus
Castilleja
Species
Castilleja minor

Synonyms

Castilleja affinis Castilleja spiralis Castilleja stenantha subsp. spiralis Castilleja minor subsp. spiralis

References

Lesser Indian Paintbrush, Castilleja Minor. americansouthwest.net.
Lesser paintbrush. calflora.net.
Castilleja minor. en.wikipedia.org.
Castilleja minor var. spiralis (Jeps.) J.M.Egger |…. powo.science.kew.org.
Castilleja minor ssp. spiralis - Calflora. calflora.org.
Plant List. worldplants.de.
World Flora Online. worldfloraonline.org. June 2024.