Castilleja affinis

October 17, 2009

Castilleja affinis, Indian paintbrush, East Sooke Regional park 11:40 am


This photo of Indian paintbrush, Castilleja affinis [1] was taken on June 18, 2007, just off the trail on the eastern slope of Creyke Point, East Sooke Regional Park looking out towards Campbell Cove (48°19’34.17 N, 123°37’50.38). The bright orange, showy parts of Indian paintbrush, Castilleja affinis, are actually bracts (modified leaves), with a flower inside each bract. Many members of the Orobanchaceae are photosynthetic root parasites (hemiparasites), such as Indian paintbrush. Paintbrushes Castilleja along with the rare Henderson’s checker-mallow (Sidalcea hendersonii), sweet gale (Myrica gale), sedges (Carex sp) and shooting stars (Dodecatheon sp) are among the rare plants of the tidal area of Metchosin.

Kingdom: Plantae > Subkingdom: Tracheobionta – Vascular plants > Superdivision: Spermatophyta – Seed plants > Division: Magnoliophyta – Flowering plants > Class: Magnoliopsida – Dicotyledons > Subclass: Asteridae > Order: Scrophulariales > Family: Scrophulariaceae – Figwort family > Genus: Castilleja Mutis ex L. f. – Indian paintbrush > Species: Castilleja affinis Hook. & Arn. – coast Indian paintbrush > Subspecies Castilleja affinis Hook. & Arn. > ssp affinis


1. Thank you to Mark J. Egger from the Herbarium at the Burke Museum of Natural History and Culture in Seattle for drawing my attention to my errors in classification which I have hopefully corrected. As an enthusiast – not a professional – I am always grateful to learn more about plant taxonomy.

Chuang, T. I. ; L. R. Heckard. 1991. “Generic realignment and synopsis of subtribe Castillejinae (Scrophulariaceae – Tribe Pediculareae).” Systematic Botany 16: 644–666.

Tank, David C.; Egger, J. Mark; Olmstead, Richard G. 2009. “Phylogenetic Classification of Subtribe Castillejinae (Orobanchaceae).” Systematic Botany. 34:1:182-197.

Egger, Mark J. 2009-03-13. “A New Species of Castilleja (Orobanchaceae) from Trujillo, Venezuela.” Brittonia. 61:1:44-5. Biomedical and Life Sciences. http://www.springerlink.com/content/n36p945m508747nl

see http://calphotos.berkeley.edu/cgi/reviewers_query?one=T&name=Mark+Egger

Mark Egger says:
This is not C. coccinea (which is not found west of the Rocky Mountains), but rather the somewhat similar west coast species, Castilleja affinis. This is the nominate form, var. affinis. C. affinis has a much longer corolla and especially corolla beak, and the secondary calyx clefts are relatively deep in C. affinis, rather than very shallow to non-existant in C. coccinea. Also, as you may have heard, Castilleja and other root-hemiparasitic Scrophs are now classified in the Orobanchaceae, based on both morphology and numerous recent molecular studies.

Genus: Castilleja; Family: Scrophulariaceae; Castilleja coccinea; bright orange; Indian paintbrush; snapdragon family; 3-lobed, scarlet tipped bracks all but hide the small 2-lipped greenish-yellow flowers;

Uploaded by ocean.flynn on 18 Jun 07, 3.17PM MDT.

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