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Castilleja integra A. Gray


Foothill paintbrush, wholeleaf Indian paintbrush, squawfeather

KingdomPlantaePlants, but not fungi, lichens, or algae
SubkingdomTracheobiontaVascular plants—plants with a “circulatory system” for delivering water and nutrients
DivisionMagnoliophytaFlowering plants, also known as angiosperms
ClassMagnoliopsidaDicotyledons—plants with two initial seed leaves
SubclassAsteridaeA large class that encompasses asters
OrderLamialesAromatic herbs and shrubs, including lavender, lilac, olive, jasmine, ash, teak, snapdragon, sesame, psyllium, garden sage, mint, basil, and rosemary
FamilyOrobanchaceaeBroomrape family of parasitic plants
GenusCastillejaNamed for Spanish botanist Domingo Castillejo
Speciesintegra“Entire, undivided, with no teeth,” because the leaves are not divided or forked as with many others in this genus

About plant names...

Wholeleaf Indian paintbrush (so named, presumably, to distinguish it from splitleaf Indian paintbrush) is a North American native, one of about 200 species of Castilleja. If you’re interested in Castillejas, don’t miss Mark Egger’s superb photographic compilation on Flickr. They appear from April to October. See also this Castilleja comparison table.

Identification: Plants are up to 20" (50 cm) in height, covered with fuzzy white hairs. Leaves are linear, long and narrow, hairless on top and hairy beneath, often curled and almost tubular in shape. The leaves are entire, that is, not divided into lobes or forks as they often are with other Indian paintbrushes. Flowers are greenish in color, with a bright scarlet tinge; but they are largely hidden by the bracts, specialized leaves that are red-orange or sometimes yellowish in color.

Online References:

Castilleja integra on Wildflowers, Ferns & Trees of Colorado, New Mexico, Arizona, and Utah

Castilleja integra on Vascular Plants of the Gila Wilderness

Castilleja integra on CalPhotos

Castilleja integra on Eastern Colorado Wildflowers

Castilleja integra at George and Audrey DeLange's Arizona wildflower site

Castilleja integra description by Thomas H. Kent, last updated 25 May 2020.

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Castilleja integra (foothill paintbrush, wholeleaf Indian paintbrush, squawfeather)

The red flowers are the C. integra. White flowers are locoweed. · 7/7/1999 · Florissant and Lake George area, CO · By Tim Chandler

Castilleja integra (foothill paintbrush, wholeleaf Indian paintbrush, squawfeather)

5/21/2009 · Grand Canyon South Rim, AZ
≈ 6 × 4½" (15 × 11 cm)


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