Castilleja subinclusa |
Castilleja grisea |
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Franciscan paint brush, longleaf Indian paintbrush |
San Clemente Island Indian paintbrush, San Clemente Island paintbrush |
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Habit | Herbs, perennial, 1.8–12 dm; from a woody caudex; with a taproot. | Subshrubs or shrubs, perennial, 4–6(–10) dm, to 20 dm wide; from a woody caudex; with thick, woody roots. | ||||||||
Stems | solitary or few to many, erect to ascending, often leaning on nearby shrubs (var. jepsonii), unbranched or branched, often with small, leafy axillary shoots, hairs matted to spreading, short and long, soft, mixed with short stipitate-glandular ones. |
many, spreading and ascending, much-branched, with short, leafy axillary shoots, proximal stems 1+ cm wide, hairs dense, spreading, matted, white, medium length, soft, stellate, sometimes mixed with short stipitate-glandular ones especially near inflorescence, partially obscuring surface. |
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Leaves | green, pale gray-green, sometimes dull reddish purple, linear to narrowly, sometimes broadly, lanceolate, 2–10.5 cm, not fleshy, margins plane, sometimes ± wavy, flat or involute, 0(–3)-lobed, apex acuminate to acute; lobes spreading, linear to short-lanceolate, often arising near mid length, apex acute to obtuse. |
ash gray, linear to narrowly lanceolate, 1–6.5 cm, not fleshy, margins plane or slightly wavy, involute, 0–7-lobed, apex rounded to obtuse, surfaces almost obscured by hairs, at least when young; lobes spreading to ascending, linear to narrowly oblong, apex acute to acuminate. |
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Inflorescences | 3–30 × 1–7 cm; bracts green or dull purple throughout, or proximally green or dull purple, distally bright red to orange-red, sometimes salmon, orange, or yellow, usually linear to lanceolate, distal sometimes broadly lanceolate to oblong or elliptic, 0(–3)-lobed; lobes spreading to erect, linear to oblong or triangular, short or medium length, arising near or above mid length, apex acute to obtuse. |
(3–)7.5–11.5 × 1.5–3.5 cm; bracts proximally greenish, distally ± pale yellow, proximals sometimes greenish throughout, linear to narrowly lanceolate or narrowly oblong, (3–)5–7-lobed; lobes spreading, linear to narrowly oblong, long, proximal lobes arising below mid length, apex obtuse to acute. |
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Corollas | curved proximally, straight to slightly curved distally, 25–57 mm; tube 15–29 mm; beak subequal to or exceeding calyx but abaxial lip, beak, and often part of tube usually exserted out abaxial cleft; beak adaxially green, yellow-green, or yellow, 13–21 mm, margins red, orange, or yellow; abaxial lip green, yellow, reddish, blackish, or deep red-purple, reduced, protuberant, forming a platform, 1–2 mm, 5–25% as long as beak; teeth ascending, green, purple sometimes with reddish tip, yellow, or blackish, 0.5–1 mm. |
curved in proximal 1/3, 15–25 mm; tube 11 mm; abaxial lip not exserted, sometimes visible in abaxial cleft, beak exserted; beak adaxially green or dull yellow, 7–9 mm; abaxial lip deep green, reduced, 1–2 mm, less than 25% as long as beak; teeth incurved, green, 0.7–1 mm. |
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Calyces | proximally pale green, rarely pale purple, distally bright red or red-orange, rarely orange or yellow, or bright red or red-orange throughout, 20–42 mm; abaxial clefts 13–27 mm, adaxial 7–17 mm, abaxial 40–70% of calyx length, adaxial 12–33% of calyx length, deeper than laterals, lateral 0–7.5 mm, 0–35% of calyx length; lobes linear to narrowly triangular, strongly curved away from stem proximally and distally obviously curved toward stem, apex acute to acuminate to obtuse. |
colored as bracts, 10–20 mm; abaxial and adaxial clefts 5.5–7 mm, 50% of calyx length, deeper than laterals, lateral 0–1 mm, 0–8% of calyx length; lobes oblong, apex truncate to rounded or obtuse, rarely emarginate, inner surface glandular. |
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2n | = 24, 48, 72, 96. |
= 24. |
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Castilleja subinclusa |
Castilleja grisea |
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Phenology | Flowering Feb–Jun. | |||||||||
Habitat | Coastal terraces and slopes, cliffs and canyon walls, coastal sage scrub. | |||||||||
Elevation | 0–500 m. (0–1600 ft.) | |||||||||
Distribution |
CA; nw Mexico
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CA
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Discussion | Varieties 3 (3 in the flora). Castilleja subinclusa is divided into three varieties with somewhat discontinuous ranges. Identification of the varieties is often difficult when comparing only a single trait but is more easily accomplished when the characters are considered in a suite. The three varieties are also separable by range and habitat. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Castilleja grisea is endemic to a small portion of San Clemente Island in Los Angeles County, which is managed by the U.S. Navy. It was one of the first plants listed as endangered under the Endangered Species Act of the United States, and its near extinction was due to grazing by feral goats. Plants responded well when the goats were removed, spreading from their last refuge on inaccessible cliffs onto gentle terrain at the southern end of the island, near the type locality, and are now locally fairly common. Ungrazed old shrubs can reach 1 m in height and 2 m in breadth and often have a thick woody trunk. The stellate pubescence is unusual in Castilleja. Castilleja grisea is in the Center for Plant Conservation’s National Collection of Endangered Plants. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 17, p. 657. | FNA vol. 17, p. 611. | ||||||||
Parent taxa | ||||||||||
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Synonyms | C. hololeuca subsp. grisea | |||||||||
Name authority | Greene: Pittonia 4: 2. (1899) — (as Castilleia) | Dunkle: Bull. S. Calif. Acad. Sci. 42: 31. (1943) | ||||||||
Web links |