Castilleja arachnoidea Greenm.
Castilleja arachnoidea Greenm. ssp. shastensis (Eastw.) Pennell
Castilleja filifolia Eastw.
Castilleja payneae Eastw.
Cobwebby Indian Paintbrush
Cobwebby Indian paintbrush gets its colorful name from the cobweb-like hairs that coat it. It is a North American native plant. If you’re interested in Castillejas, don’t miss Mark Egger’s superb photographic compilation on Flickr. See also this Castilleja comparison table.
Identification: Plants are 3-12" (7.6-30 cm) high. Leaves are ¾-2" (2-6 cm) long, unlobed or forked into lobes. Flowers vary from lemon yellow to pale green or purplish red in color, and appear in June. Bracts—modified leaves—appear under each flower, and are ¼-¾" (6.3-19 mm) long. They are yellowish to dull red. Fruit capsules are about ⅜" (1 cm) long.
Castilleja arachnoidea at Mark Egger’s Castilleja site on Flickr
Castilleja arachnoidea on CalPhotos
Castilleja arachnoidea on Turner Photographics' Wildflowers site
Castilleja arachnoidea at the Lady Bird Johnson Wildflower Center
Castilleja arachnoidea on SEINet—the Southwest Environmental Information Network
Castilleja arachnoidea from the Jepson Manual
Castilleja arachnoidea description by Thomas H. Kent, last updated 25 May 2020.