Flora of North America species comparison

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Castilleja rubida

Castilleja lacera

little reddish Indian paintbrush, purple alpine paintbrush, purple paintbrush, Wallowa alpine paintbrush

cut-leaf owl's clover, cut-leaf paintbrush, cutleaf Indian paintbrush, foothill owl's clover
Habit Herbs, perennial, 0.5–1.5 dm; from a woody caudex; with a taproot. Herbs, annual, 0.5–4 dm; with fibrous roots.
Stems

several, decumbent, or ascending, unbranched, hairs moderately dense, spreading, short and long, soft, eglandular and glandular.

solitary, erect, unbranched or branched, hairs spreading, long, soft, scattered among more numerous, medium length, stipitate-glandular ones.
Leaves

green to purple, linear to narrowly lanceolate, 0.7–3.2 cm, not fleshy, margins plane, slightly involute, 3–5-lobed, apex narrowly acute to acuminate;

lobes ascending-spreading, narrowly linear to filiform, often curling, often short, apex acute or obtuse.

green or purplish, linear to narrowly lanceolate, 1–5 cm, not fleshy, margins plane, flat, 0–5(–7)-lobed, apex acuminate;

lobes spreading to ascending, linear, apex acuminate to acute.
Inflorescences

2.5–6 × 1–2 cm;

bracts purple, deep burgundy, or lavender throughout, rarely pink or yellowish white throughout, sometimes pink or dull whitish on distal margins and apices, oblong, 3–5(–7)-lobed;

lobes spreading, linear, medium length, proximal lobes arising below mid length, center lobe apex rounded to obtuse, lateral ones acute to obtuse.

(1.5–)3–14 × 2–3 cm;

bracts green throughout, sometimes proximally green, distally white on apices, lanceolate to ovate, 3–7-lobed;

lobes spreading to ascending, linear to narrowly lanceolate, long, arising below mid length, apex obtuse to acute.
Corollas

straight, 12–15 mm;

tube 14–16 mm;

abaxial lip and beak exserted;

beak adaxially green, 5–6 mm;

abaxial lip colored as distal portion of bracts, prominent, pouches 3, central one grooved, pouches not strongly inflated, 4–5 mm, 80–100% as long as beak;

teeth erect, appressed to beak, colored as distal portions of bracts, 1.5–2.5 mm.

straight, 10–22 mm;

tube 8–15 mm;

abaxial lip and beak exserted;

beak adaxially yellow to greenish, 3–6 mm, densely puberulent;

abaxial lip yellow with purple dots at base, inflated, pouches 3, central pouch slightly 2-lobed, pouches 4–8 mm wide, 3–6 mm deep, side pouches curving up a little at tip, 2–5 mm, 75–95% as long as beak;

teeth erect, white or yellow, 0.5–2 mm.
Calyces

colored as bracts, 10–12 mm; all 4 clefts subequal, 3.5–6.5 mm, 35–55% of calyx length;

lobes broadly linear or linear-triangular, apex obtuse to acute.

light green, lobes green, 7–13 mm;

abaxial and adaxial clefts 3.5–8 mm, 50–67% of calyx length, lateral 2.5–5 mm, ca. 40% of calyx length;

lobes narrowly to broadly lanceolate, apex acute to acuminate.
Stigmas

green.

equal to or slightly exserted from beak.
2n

= 22, 24.

Castilleja rubida

Castilleja lacera
Phenology Flowering Jul–Aug. Flowering (Mar–)Apr–Jul(–Aug).
Habitat Rocky slopes, ledges, dry to moist gravelly flats and ridges, alpine, limestone, rarely on river cobbles at lower elevations. Grasslands, meadows, moist flats, vernal pool margins, moist forest openings, serpentine slopes and ledges, roadsides.
Elevation 2200–3000 m. (7200–9800 ft.) 0–2700 m. (0–8900 ft.)
Distribution
from FNA
OR
[BONAP county map]
from FNA
CA; OR
[WildflowerSearch map]
[BONAP county map]
Discussion

Castilleja rubida is a rare alpine species endemic to a few limestone peaks in the Wallowa Mountains of northeastern Oregon, entirely within the Eagle Cap Wilderness Area. It is likely derived from the C. nana complex, found in the mountains of eastern California and Nevada, but it is amply distinct. Due to its very limited range and small population numbers, C. rubida is a species of conservation concern.

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

Castilleja lacera is found in a wide range of elevations in the central and northern Sierra Nevada region and in the Siskiyou Mountains region of northwestern California and southwestern Oregon. Reports from the Coast Ranges north of the San Francisco Bay region and south of the Siskiyou region in western California are referable to other yellow-flowered annuals, including C. ambigua, C. rubicundula var. lithospermoides, Triphysaria eriantha subsp. eriantha, and T. versicolor subsp. faucibarbata. Although most similar to C. rubicundula, C. lacera is somewhat smaller in stature and flower size. It is also easily confused with yellow-flowered populations of C. tenuis, which has smaller flowers and an included stigma. Two chromosome numbers are known for this species, the more northern populations being diploid, and those to the south having an apparently aneuploid count of 2n = 22, which is unique in the genus.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 17, p. 653. FNA vol. 17, p. 617.
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. 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. rhexiifolia, C. rigida, C. rubicundula, 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. 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. 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
Synonyms Orthocarpus lacerus
Name authority Piper: Bull. Torrey Bot. Club 27: 398. (1900) — (as Castilleia) (Bentham) T. I. Chuang & Heckard: Syst. Bot. 16: 657. (1991)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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