exserta) and Schinia pulchripennis (which feeds exclusively on C. It also occurs in eastern Arizona, in similar habitats. Castilleja species are used as food plants by the larvae of some Lepidoptera species including Schinia cupes (which has been recorded on C. Notes: Castilleja lineata (marsh-meadow Indian paintbrush) is differentiated by linear leaves and gray-tomentose herbage inflorescence is greenish to greenish yellow, with the calyx equally cleft in front and back.
Ecology: Meadows, slopes 2400-2900 m (8000-9500 ft) Apache County western Canada, western to southwestern U.S. The leafy bracts, which are often mistaken for petals, are tightly clustered and rounded around the stalk, like the traditional red paintbrush. Fruits: Loculicidal capsule, ovoid-oblong, 9-11 mm long seeds numerous, minute. Sulfur Indian Paintbrush A leafy plant with pale yellow bracts. Flowers: Inflorescence a spike-like raceme, red to red-orange, rarely yellowish, villous and glandular-puberulent bracts lanceolate, bearing 1-2 pairs of lateral lobes calyx 2-3 cm long, cleft into 2 lateral primary lobes, more deeply cleft in front (9-17 mm) than in back (8-13 mm) corolla tubular, 2.5-4.4 cm long, bilabiate, the galea 14-20 mm long, the lower lip much reduced and with incurved teeth flowers July-August.
All Things Plants - Community-assembled plant profile (4 photos) Denver Botanic Gardens - Description, native range, and cultural requirements. Leaves: Cauline, alternate, lanceolate, sometimes narrowly so, 2- 5.5 cm long, margins entire blades sessile. Common name(s): Yellow Paintbrush Sulphur Indian Paintbrush Synonym(s): Castilleja sulphurea Hardiness ratings: USDA zone 4 Links. General: Perennial, semi-parasitic, 25-55 cm tall stems few to several, erect to ascending, often branched above herbage scabrous-puberulent. Castilleja sulphurea: Native: Yes: Growing Season: All summer: Soil Type: Open areas: Other Names: Sulphur Indian paintbrush, Sulphur Paintbrush, Yellow Paintbrush.
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