Castilleja minor var. stenantha
California thread-torch, thread-torch
hairs sparse to dense, short to long, soft, sparsely stipitate-glandular.
linear-lanceolate to lanceolate, soft, margins plane.
distally red to pale orange, linear to narrowly lanceolate, apex acuminate.
23–39 mm;
beak exserted, adaxially light reddish brown, yellowish, pale orange, or reddish orange, 8–15(–20) mm;
abaxial lip whitish, rarely greenish or pale yellow (sometimes red in in c Arizona).
14–22(–28) mm;
abaxial and adaxial clefts 7–15 mm, 50–60% of calyx length, lateral 1–1.5(–3) mm, 10–20% of calyx length;
lobes linear to narrowly triangular, apex acute to acuminate.
Castilleja minor var. stenantha
Variety stenantha is most common in central and southern California west of the Sierra Nevada crest, southward to at least the Sierra San Pedro Mártir in Baja California. It is associated with serpentine, granite, and other substrates.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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