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Lemmon's Indian paintbrush, Lemmon's paintbrush

alpine paintbrush, rhexia-leaf paintbrush, Rocky Mountain paintbrush, rosy paintbrush, split-leaf Indian paintbrush

Habit Herbs, perennial, 0.8–2.5 dm; from a woody caudex; with slender, branching roots. Herbs, perennial, (1–)2.5–6(–8) dm; from a woody caudex; with a taproot.
Stems

few to many, decumbent-based to erect, unbranched except for short, leafy axillary shoots, hairs sparse, spreading, medium length to long, soft and dense, short to medium length, stipitate-glandular.

few to several, erect or ascending, unbranched, sometimes branched, proximally glabrous to glabrate, distally sparsely hairy, hairs spreading, ± long, soft, eglandular, sometimes stipitate-glandular.

Leaves

green or gray-green to purple (sometimes different on stems of same plant), linear-lanceolate, distal sometimes broadly lanceolate, 0.5–4 cm, not fleshy, margins plane, involute, 0(–3)-lobed, apex acute to acuminate;

lobes ascending, linear to narrowly lanceolate, apex acute to acuminate, rarely obtuse.

green or purple-tinged, linear, narrowly to broadly lanceolate, oblong, or ovate, 3–6(–7) cm, not fleshy, margins plane, flat to slightly involute, prominently veined, 0(–3)-lobed, apex acute to rarely obtuse;

lobes ascending or spreading, linear to filiform, much smaller than mid blade, short, apex acute.

Inflorescences

2–12 × 1–3 cm;

bracts greenish to dull purplish or brownish throughout, or proximally greenish to dull purplish, distally pink to purple or magenta, rarely white, ovate, broadly lanceolate, or oblong, (0–)3–5-lobed;

lobes ascending to erect, lanceolate, medium length, arising above mid length, apex acute to rounded.

2.5–15 × 1.5–4.5 cm;

bracts pink-purple, red-purple, purple, or crimson throughout, rarely reddish, yellowish, or white throughout, or proximally greenish, dull brownish purple, or deep purple, distally colored as above, broadly lanceolate to ovate or obovate, (0–)3–5(–7)-lobed;

lobes ascending to erect, linear or lanceolate-acuminate, short, arising near or above mid length, central lobe apex obtuse to broadly rounded, lateral ones acute to sometimes rounded.

Corollas

slightly curved, 16–21 mm;

tube 10–16 mm;

abaxial lip sometimes partly exserted, beak usually exserted;

beak adaxially green, 6–7 mm, margins red;

abaxial lip greenish, inflated, pouches 3, shallow, central pouch shallowly grooved, visible through front cleft, 3–4 mm, 60% as long as beak;

teeth erect, violet-purple or pink, 1–2.5 mm.

straight, 15–30(–36) mm;

tube (11–)12–22(–24) mm;

beak exserted, adaxially green, yellow, or tinged with red, 7–12 mm;

abaxial lip deep green, reduced, 1.5–3.5 mm, to 33% as long as beak;

teeth incurved, green or white, 0.5–2 mm.

Calyces

proximally brown or dull magenta, sometimes green, distally colored as bracts, 12.5–18 mm;

abaxial and adaxial clefts 5.5–10.5 mm, 40–65% of calyx length, deeper than laterals, lateral 0.5–2 mm, 5–15% of calyx length;

lobes oblong, apex rounded.

proximally green, purplish, or whitish, distally colored as bracts, 15–25 mm;

abaxial and adaxial clefts 8–12(–15) mm, 40–50% of calyx length, deeper than laterals, lateral 2–5(–8) mm, 15–25(–30)% of calyx length;

lobes oblong to triangular or ovate, apex obtuse to rounded, sometimes acute.

Stigmas

greenish to deep bluish purple.

2n

= 24.

= 24, 48, 96.

Castilleja lemmonii

Castilleja rhexiifolia

Phenology Flowering Jun–Aug. Flowering (Mar–)May–Sep.
Habitat Moist to wet meadows and flats, shorelines, open conifer forests, subalpine and alpine, often over granite. Moist meadows, open forests, slopes and ridges, sun or shade, subalpine to alpine.
Elevation 1500–3700 m. [4900–12100 ft.] 1800–4000 m. [5900–13100 ft.]
Distribution
from FNA
CA; NV
[WildflowerSearch map]
[BONAP county map]
from FNA
CO; ID; MT; NM; OR; UT; WA; WY; AB; BC
[WildflowerSearch map]
[BONAP county map]
Discussion

As delimited here, Castilleja lemmonii is endemic to the highlands of the Sierra Nevada in California and in adjacent Washoe County, Nevada. It differs from C. lassenensis, a plant of volcanic highlands around Mt. Lassen, which has consistently white corollas. Corollas are usually pink to purplish in C. lemmonii. Castilleja lemmonii also tends to have somewhat shorter lateral calyx clefts, though the two species overlap slightly in this character.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Castilleja rhexiifolia is a characteristic and common paintbrush in the Rocky Mountains region, from central Alberta to northern New Mexico. Disjunct populations also occur in northeastern Oregon, in the Blue, Ochoco, and Wallowa mountains, as well as near the summit of Abercrombie Mountain in the Selkirk Mountains of northeastern Washington. The inflorescence colors are variable. Typical plants are red-purple. However, many other shades of pink-white, pink-purple, and crimson are common as well. Many populations contain a wide range of color variants. Intergradation is occasionally seen with C. miniata, C. occidentalis, and C. septentrionalis. However, for the most part, these four species remain distinct, and their ranges are not entirely overlapping. In the Wallowa Mountains, a recurrent and variable hybrid form between C. chrysantha and C. rhexiifolia was described as C. wallowensis Pennell. In the north Cascade Range of Washington, plants of C. elmeri with crimson inflorescences are sometimes identified as C. rhexiifolia. In Glacier National Park, Montana, in the vicinity of Logan Pass, C. rhexiifolia frequently hybridizes with C. occidentalis, creating a number of hybrid morphologies. Both of the parents are common in the area. Similar hybrids are also found in the Canadian Rocky Mountains.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 17, p. 620. Treatment authors: J. Mark Egger, Peter F. Zika, Barbara L. Wilson, Richard E. Brainerd, Nick Otting. FNA vol. 17, p. 651. Treatment authors: J. Mark Egger, Peter F. Zika, Barbara L. Wilson, Richard E. Brainerd, Nick Otting.
Parent taxa Orobanchaceae > Castilleja Orobanchaceae > Castilleja
Sibling taxa
C. affinis, C. ambigua, C. angustifolia, C. applegatei, C. aquariensis, C. arachnoidea, C. attenuata, C. brevilobata, C. brevistyla, C. campestris, C. cervina, C. chambersii, C. chlorotica, C. christii, C. chromosa, C. chrymactis, C. chrysantha, C. cinerea, C. citrina, C. coccinea, C. collegiorum, C. covilleana, C. crista-galli, C. cryptantha, C. cusickii, C. densiflora, C. dissitiflora, C. disticha, C. elata, C. elegans, C. elmeri, C. exserta, C. flava, C. foliolosa, C. fraterna, C. genevieveana, C. glandulifera, C. gleasoni, C. gracillima, C. grisea, C. haydenii, C. hispida, C. hololeuca, C. hyperborea, C. indivisa, C. integra, C. kaibabensis, C. kerryana, C. kraliana, C. lacera, C. lanata, C. lasiorhyncha, C. lassenensis, C. latifolia, C. leschkeana, C. levisecta, C. linariifolia, C. lindheimeri, C. lineariloba, C. lineata, C. litoralis, C. lutescens, C. martini, C. mendocinensis, C. mexicana, C. miniata, C. minor, C. mogollonica, C. mollis, C. montigena, C. nana, C. nelsonii, C. nervata, C. nivea, C. occidentalis, C. oresbia, C. organorum, C. ornata, C. pallescens, C. pallida, C. parviflora, C. parvula, C. patriotica, C. peckiana, C. peirsonii, C. pilosa, C. plagiotoma, C. praeterita, C. pruinosa, C. puberula, C. pulchella, C. purpurascens, C. purpurea, C. raupii, C. revealii, C. rhexiifolia, C. rigida, C. rubicundula, C. rubida, C. rupicola, C. salsuginosa, C. scabrida, C. schizotricha, C. septentrionalis, C. sessiliflora, C. subinclusa, C. suksdorfii, C. tenuiflora, C. tenuis, C. thompsonii, C. tomentosa, C. uliginosa, C. unalaschcensis, C. victoriae, C. viscidula, C. wightii, C. wootonii, C. xanthotricha
C. affinis, C. ambigua, C. angustifolia, C. applegatei, C. aquariensis, C. arachnoidea, C. attenuata, C. brevilobata, C. brevistyla, C. campestris, C. cervina, C. chambersii, C. chlorotica, C. christii, C. chromosa, C. chrymactis, C. chrysantha, C. cinerea, C. citrina, C. coccinea, C. collegiorum, C. covilleana, C. crista-galli, C. cryptantha, C. cusickii, C. densiflora, C. dissitiflora, C. disticha, C. elata, C. elegans, C. elmeri, C. exserta, C. flava, C. foliolosa, C. fraterna, C. genevieveana, C. glandulifera, C. gleasoni, C. gracillima, C. grisea, C. haydenii, C. hispida, C. hololeuca, C. hyperborea, C. indivisa, C. integra, C. kaibabensis, C. kerryana, C. kraliana, C. lacera, C. lanata, C. lasiorhyncha, C. lassenensis, C. latifolia, C. lemmonii, C. leschkeana, C. levisecta, C. linariifolia, C. lindheimeri, C. lineariloba, C. lineata, C. litoralis, C. lutescens, C. martini, C. mendocinensis, C. mexicana, C. miniata, C. minor, C. mogollonica, C. mollis, C. montigena, C. nana, C. nelsonii, C. nervata, C. nivea, C. occidentalis, C. oresbia, C. organorum, C. ornata, C. pallescens, C. pallida, C. parviflora, C. parvula, C. patriotica, C. peckiana, C. peirsonii, C. pilosa, C. plagiotoma, C. praeterita, C. pruinosa, C. puberula, C. pulchella, C. purpurascens, C. purpurea, C. raupii, C. revealii, C. rigida, C. rubicundula, C. rubida, C. rupicola, C. salsuginosa, C. scabrida, C. schizotricha, C. septentrionalis, C. sessiliflora, C. subinclusa, C. suksdorfii, C. tenuiflora, C. tenuis, C. thompsonii, C. tomentosa, C. uliginosa, C. unalaschcensis, C. victoriae, C. viscidula, C. wightii, C. wootonii, C. xanthotricha
Synonyms C. culbertsonii C. oregonensis
Name authority A. Gray: in A. Gray et al., Syn. Fl. N. Amer. 2(1): 297. (1878) — (as Castilleia lemmoni) Rydberg: Mem. New York Bot. Gard. 1: 356. (1900) — (as rhexifolia)
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