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Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Cladus: Asterids
Cladus: Lamiids
Ordo: Lamiales

Familia: Orobanchaceae
Tribus: Pedicularideae
Genus: Castilleja
Species: Castilleja affinis
Subspecies: C. a. subsp. litoralis – C. a. subsp. neglecta

Castilleja affinis Hook. & Arn.

Castilleja affinis subsp. affinis
Castilleja affinis var. affinis
Castilleja affinis var. contentiosa (J.F.Macbr.) Bacig.
Castilleja affinis subsp. insularis (Eastw.) Munz
Castilleja anacapensis Dunkle
Castilleja californica Abrams
Castilleja douglasii Benth.
Castilleja douglasii var. contentiosa J.F.Macbr.
Castilleja douglasii subsp. insularis (Eastw.) Pennell
Castilleja inflata Pennell
Castilleja latifolia subsp. insularis Eastw.
Castilleja latifolia var. rubra (Pennell) J.T.Howell
Castilleja multisecta Eastw.
Castilleja parviflora var. californica (Abrams) Zeile
Castilleja parviflora var. douglasii (Benth.) Jeps.
Castilleja polytoma Eastw.
Castilleja wightii subsp. anacapensis (Dunkle) Pennell
Castilleja wightii subsp. inflata (Pennell) Munz
Castilleja wightii subsp. rubra Pennell


It is native to western North America from Washington to Baja California.

Botany of Captain Beechey's Voyage ; comprising an account of the plants collected by Messrs. Lay and Collie... 154. 1833


International Plant Names Index. 2017. Castilleja affinis. Published online. Accessed: Oct. 04 2017.
The Plant List 2013. Castilleja affinis in The Plant List Version 1.1. Published on the internet. Accessed: 2017 Oct. 04. 2017. Castilleja affinis. Missouri Botanical Garden. Published on the internet. Accessed: O4 Oct. 2017.
USDA, ARS, Germplasm Resources Information Network. Castilleja affinis in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Accessed: 09-Oct-10.

Vernacular names
English: coast Indian paintbrush

Castilleja affinis is a species of Castilleja known by the common name coast Indian paintbrush.

It is native to western North America from Washington to Baja California, where it grows on hills and mountains slopes along the coast and inland.

This is a perennial herb growing an erect stem up to about 60 centimeters in maximum height. It is greenish to purple in color and may be hairless to quite hairy. The leaves are variable in shape and up to 8 centimeters long. The inflorescence is a series of bracts in shades of bright red to yellowish. Flowers appearing between the bracts are a bit longer and covered in hairs. They are green to purple lined with red or yellow. The fruit is a capsule just over a centimeter long.

There are three subspecies of this plant, two of which are rare:

Subspecies littoralis grows on the coastline of northern California and Oregon.
Subspecies neglecta, known commonly as the Tiburon paintbrush, is known from only a few occurrences in and around the San Francisco Bay Area. It is a federally listed endangered species.
Subspecies affinis is the most widespread subspecies.

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