Castilleja ornata |
Castilleja chrymactis |
|
---|---|---|
glowing Indian paintbrush, ornate paintbrush |
green Indian paintbrush, green paintbrush |
|
Habit | Herbs, annual, 1.7–3.5(–5) dm; with a thin taproot or fibrous root system. | Herbs, perennial, 2.8–6.6 dm; from a woody caudex; with a taproot. |
Stems | solitary or few to several, erect or ascending, often branched low on stem, unbranched distally, hairs appressed or retrorse, medium length, soft, eglandular, mixed with shorter stipitate-glandular ones. |
several to many, erect to ascending, unbranched or branched, sometimes with short, leafy axillary shoots, glabrous or hairs sparse proximally, distally spreading-erect, long, soft, eglandular, mixed with shorter ones. |
Leaves | green or purple-tinged, proximal forming a rosette, linear-lanceolate to oblong or oblanceolate, 2–4 cm, not fleshy, clasping, margins wavy, sometimes plane, involute, 0-lobed, apex acuminate, acute, or obtuse. |
green or purple-tinged, sometimes deep purple, linear-lanceolate to lanceolate or ovate, (1.5–)5–11.7 cm, not fleshy, margins plane, sometimes ± wavy, flat or involute, 0–3(–5)-lobed, apex acute to obtuse, sometimes rounded; lobes erect or ascending, linear, apex acute or acuminate. |
Inflorescences | 3–24 × 1.5–3 cm; bracts proximally green, distally white, sometimes very pale yellow, often aging dull pink or dull red-purple, spatulate, 0-lobed, sometimes seeming lobed due to wavy margins, apex obtuse to rounded. |
3.5–18 × 3–7.5 cm; bracts proximally pale green to dull purplish, distally bright red or scarlet to yellow, orange, yellow-orange, and salmon, sometimes tricolored with central band of deeper purple or deeper shade of the far-distal color, broadly lanceolate, oblong, elliptic, or oblong, 0–3(–9)-lobed; lobes ascending, lanceolate, triangular, or oblong, short, arising at or above mid length, central lobe apex rounded, lateral ones acute to obtuse. |
Corollas | slightly curved, 22–24 mm; tube 10–13 mm; beak exserted, adaxially green, 5–10 mm; abaxial lip pale greenish, reduced, pouches 3, 0.5–1.5 mm, 5–10% as long as beak; teeth slightly incurved, reduced, pale greenish to white, 0.3–0.7 mm. |
straight to slightly curved, 26–43 mm; tube 16–24 mm; beak exserted, adaxially green to yellow, 9–19 mm; abaxial lip whitish or dark green, reduced, not exserted, sometimes visible through front calyx cleft, 1.5–2 mm, 20% as long as beak, glabrous or sparsely hairy, hairs spreading; teeth reduced, incurved, deep green, 0.5–1 mm. |
Calyces | green throughout or distal margin white aging pink, 15–17 mm; abaxial and adaxial clefts 6–14 mm, 35–45% of calyx length, deeper than laterals, lateral 0(–0.7) mm, 0(–5)% of calyx length; lobes short-triangular, abaxial segments longer than adaxials, apex acute to obtuse or rounded. |
colored as bracts, sometimes more deeply pigmented and contrasting with bract coloration, 24–31 mm; abaxial and adaxial clefts 12–19 mm, 45–65% of calyx length, deeper than laterals, lateral 7–11 mm, 25–32% of calyx length; lobes lanceolate, narrowly triangular, or almost oblong, apex acute, sometimes obtuse or acuminate. |
2n | = 24. |
|
Castilleja ornata |
Castilleja chrymactis |
|
Phenology | Flowering Jul–Sep. | Flowering (Jan–)Feb–Sep(–Oct). |
Habitat | Seasonally damp ground, dry or sandy grasslands. | Glacial outwash plains, river flats, moist or wet openings, beach meadows, roadsides. |
Elevation | 1500–2100 m. (4900–6900 ft.) | 0–20 m. (0–100 ft.) |
Distribution |
NM; Mexico (Chihuahua, Durango) |
AK |
Discussion | Castilleja ornata is known from Chihuahua and northern Durango, Mexico, but much of its seasonally moist grassland habitat is now altered by grazing or agriculture, and there are no recent sightings of the species south of the United States border. There is a recently discovered population in southwestern New Mexico, in the southern Animas Valley of Hidalgo County. While very rare, C. ornata lacks federal protection. The small Animas Valley population is the last known extant occurrence, and this population was reduced to two individuals in a census conducted in 2017 (D. Roth, pers. comm.). The species appears to be critically endangered globally and in need of conservation management. The inflorescences of Castilleja ornata have pale greenish bracts with white apices when young, but the apices often become pale pink to dull reddish with age. Its pubescence, wavy-margined leaves, and unusual bract color also distinguish C. ornata. Castilleja exserta and C. minor are the only other annual paintbrushes in New Mexico and differ from C. ornata by the color of their floral bract apices, which are usually pink to red-purple in C. exserta and bright red in C. minor. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Castilleja chrymactis is restricted to the coast of southeastern Alaska, from Glacier Bay to Yakutat. In some respects, it resembles a hybrid swarm between C. miniata and C. unalaschcensis. If C. chrymactis originated as a hybrid, at present it has formed a number of populations and has a stable morphology that differs from both putative parents, especially in calyx structure. Reports of its introduction to Point Reyes, California (T. I. Chuang and L. R. Heckard 1993b), are based on C. leschkeana, a distinctive species known only from two records near the type locality and presumed to be extinct. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 17, p. 636. | FNA vol. 17, p. 596. |
Parent taxa | ||
Sibling taxa | ||
Name authority | Eastwood: Proc. Amer. Acad. Arts 44: 571. (1909) | Pennell: Proc. Acad. Nat. Sci. Philadelphia 86: 539. (1934) |
Web links |