| Family | OROBANCHACEAE |
| Genus species | Castilleja arachnoidea Greenm. |
| Synonyms | Castilleja eastwoodiana Pennell |
| Castilleja filifolia Eastw. | |
| Castilleja pumicicola Pennell | |
| Habitat | rocky slopes |
| Altitude | 1300-3300m |
| Description | arachnose, leaves 2-6cm long, narrowly oblanceolate, pinnatilobate, with 1-2 pairs of segments, floral bracts yellow, pinnatisect, flowers 12mm long, sepals with red apex |
| Size | 6-20cm |
| Color | yellowish |
| Bloom | late summer |
| Ca | |
| Type | tuft |
| Cultivation | rock crevices with favourable water regime, eastern slopes alpine house, poor, drained soil, shading in summer |
| Propagation | seed in spring, uncovered, germ. 1-3 months, 16-21°C division in early spring; cuttings in late summer |
| Territory |
Northern America
Northwestern U.S.A. (Oregon ) Southwestern U.S.A. (California , Nevada) |
| Bibliography | Plants of the World online powo.science.kew.org International Plant Names Index www.ipni.org |
| Comments | OROBANCHACEAE
|