Castilleja tenuiflora
Castilleja martini
Catalina Indian paintbrush, Santa Catalina Indian paintbrush, Santa Catalina paintbrush
Camp Martin paintbrush
several to many, erect or ascending, sometimes curved at base, unbranched or branched, sometimes with short, leafy axillary shoots, hairs spreading, short or long and distally short, stiff or soft, stipitate-glandular.
green to sometimes purple, narrowly oblong or lanceolate to sometimes linear or narrowly ovate, (0.8–)1–5(–6.5) cm, not fleshy, margins wavy, flat or involute, 0–5-lobed, apex rounded or obtuse, rarely acute;
lobes ascending-spreading or divaricate, linear to narrowly oblong, apex acute.
2.5–25 × 1.5–4 cm;
bracts proximally greenish, distally red, orange-red, or pale orange, rarely yellow, lanceolate or broadly lanceolate to oblong, (0–)3–5(–7)-lobed, plus 1–3 shallow teeth on apex of central lobe (var. clokeyi);
lobes ascending or spreading, linear, lanceolate, or oblanceolate, medium length or long, arising at or near mid length, central lobe apex obtuse to rounded, lateral ones acute.
straight to slightly curved, (19–)22–45 mm;
tube 11–22 mm;
abaxial lip rarely exserted, beak exserted;
beak adaxially green to yellowish, 9–21(–23) mm;
abaxial lip green or deep green with white teeth or red with green teeth, reduced, not inflated, often visible through front cleft, 1–2 mm, ca. 10% as long as beak;
teeth incurved, green to white, 0.5–1 mm.
proximally pale green, green, or whitish, sometimes with a yellow central band, distally colored as bracts, 14–26(–28) mm;
abaxial and adaxial clefts 3–10 mm, 20–50% of calyx length, deeper than laterals, lateral 1–5 mm, 15–20% of calyx length;
lobes lanceolate to broadly lanceolate, oblong, or ovate, apex acute, obtuse, or rounded.
= 24, 48, 72.
Castilleja tenuiflora
Castilleja martini
Varieties 3 (1 in the flora).
Castilleja tenuiflora is common and widespread across the mountains of Mexico, especially in pine-oak-madrone communities at middle elevations, as far south as Oaxaca, where it is found west and north of the Tehuantepec lowlands. There are two varieties of C. tenuiflora endemic to Mexico, while the typical variety crosses into the mountains of southeast Arizona and southwest New Mexico. Considerable local and regional variation exists in C. tenuiflora, but most of this appears to be racial in nature, and additional named varieties are likely not justified. While also commonly herbaceous, C. tenuiflora often forms large, multi-stemmed, subshrub plants with a woody base and ascending to strongly erect and often branched stems. It is valued in Mexican traditional medicine and is under study for potentially useful compounds (M. Jiménez et al. 1995; P. M. Sanchez et al. 2013).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Castilleja martini is sometimes treated as a subspecies of C. applegatei, but there are relatively consistent morphological discontinuities between these two variable complexes. See notes under 4. C. applegatei.
Varieties 2 (2 in the flora).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
1. Calyx lobes broadly lanceolate to ovate or oblong, apices acute, obtuse, or rounded, abaxial and adaxial clefts 20–44% of calyx lengths; w California. | var. martini |
1. Calyx lobes lanceolate to broadly lanceolate, apices acute to sometimes obtuse, abaxial and adaxial clefts 40–50% of calyx lengths; sw Nevada, adjacent e California. | var. clokeyi |
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