Difference between revisions of "Castilleja minor var. stenantha"

(A. Gray) J. M. Egger

Phytologia 90: 73. 2008.

Common names: Thread-torch California thread-torch
Selected by author to be illustrated
Basionym: Castilleja stenantha A. Gray in A. Gray et al. Syn. Fl. N. Amer. 2(1): 295. 1878
Treatment appears in FNA Volume 17. Treatment on page 631. Mentioned on page 627, 630.
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Revision as of 18:27, 24 September 2019

Herbs 2.8–10(–15) dm. Stems: hairs sparse to dense, short to long, soft, sparsely stipitate-glandular. Leaves linear-lanceolate to lanceolate, soft, margins plane. Bracts distally red to pale orange, linear to narrowly lanceolate, apex acuminate. Calyces 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. Corollas 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).


Phenology: Flowering Feb–Sep.
Habitat: Riparian zones, chaparral, wet cliffs, often over serpentine.
Elevation: 0–2500 m.

Distribution

Ariz., Calif., Mexico (Baja California).

Discussion

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.

Selected References

None.

Lower Taxa

None.
J. Mark Egger +, Peter F. Zika +, Barbara L. Wilson +, Richard E. Brainerd +  and Nick Otting +
(A. Gray) J. M. Egger +
Castilleja stenantha +
Thread-torch +  and California thread-torch +
Ariz. +, Calif. +  and Mexico (Baja California). +
0–2500 m. +
Riparian zones, chaparral, wet cliffs, often over serpentine. +
Flowering Feb–Sep. +
Selected by author to be illustrated +
Euchroma +  and Oncorhynchus +
Castilleja minor var. stenantha +
Castilleja minor +
variety +