Erythranthe breweri |
Erythranthe parvula |
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Brewer's monkey-flower |
Southwestern mat monkeyflower |
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Habit | Annuals, taprooted. | Perennials, rhizomatous, sometimes rooting at nodes, mat-forming. |
Stems | erect, simple or branched from basal nodes, 2–20 cm, densely glandular-puberulent, hairs 0.05–0.1 mm, gland-tipped. |
procumbent, branched, 5–15 cm, stipitate-glandular distally. |
Leaves | cauline, basal not persistent; petiole 1–4 mm; blade 1-veined or palmately 3-veined (in broader ones), linear-oblanceolate to linear-lanceolate or linear, (5–)10–15(–20) × 1–2(–5) mm, base attenuate, margins entire or remotely mucronulate distally, apex acute, surfaces densely glandular-puberulent, hairs 0.05–0.1 mm, gland-tipped. |
cauline; petiole 1–4 mm; blade palmately 3-veined, ovate to orbicular-ovate or depressed-ovate, 3–11 × 3–9 mm, base truncate to cuneate, margins shallowly denticulate to dentate, teeth 3–5 per side, apex acute to obtuse, surfaces villous-hirsute, hairs whitish, thickened, flattened, stiff, gland-tipped. |
Flowers | herkogamous, 1–8, from medial to distal nodes. |
plesiogamous, 2–8, axillary at distal nodes. |
Styles | glabrous. |
glabrous. |
Corollas | pink to red, rose red, red-purple, or lavender, throat usually light purple to lavender (similar in color to rest of corolla), palate ridges yellow, abaxial limb with deep pink markings, bilaterally symmetric, strongly bilabiate; tube-throat cylindric-funnelform, 3–7 mm, exserted 0–1 mm beyond calyx margin; limb expanded 2–3 mm, lobes notched or entire. |
yellow, red-dotted, bilaterally symmetric, bilabiate; tube-throat funnelform, 6–8 mm, exserted beyond calyx margin; limb expanded 4–6 mm, abaxial limb spreading, lobes fimbriate. |
Fruiting pedicels | 4–12 mm, densely glandular-puberulent, hairs 0.05–0.1 mm, gland-tipped. |
7–15 mm, minutely stipitate-glandular. |
Fruiting calyces | red-dotted, strongly angled, cylindric-campanulate, 4–7 mm, margins distinctly toothed or lobed, densely glandular-puberulent, hairs 0.05–0.1 mm, gland-tipped, ribs corky, lobes pronounced, spreading. |
nodding 45–90º, 5-lobed, cylindric-ovoid, inflated, sagittally compressed, 4–5 mm, villous-hirsute, throat closing. |
Capsules | included, 3–7 mm. |
included, 3–4 mm. |
Anthers | included, glabrous. |
included, glabrous. |
2n | = 32. |
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Erythranthe breweri |
Erythranthe parvula |
|
Phenology | Flowering Jun–Aug(–Sep). | Flowering Apr–Sep. |
Habitat | Seeps and springs, damp rocks, vernal creek beds, cliffs, granite outcrops, rocky ridges, gravelly areas, meadow edges, stream edges. | Wet vertical rock faces, ledges, and rocky slopes, seepy wash banks. |
Elevation | (700–)1300–3500 m. ((2300–)4300–11500 ft.) | 500–2400(–3400) m. (1600–7900(–11200) ft.) |
Distribution |
AZ; CA; ID; MT; NV; OR; UT; WA; WY; AB; BC
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AZ; NM; Mexico (Sonora) |
Discussion | All monkeyflowers with laciniate-lobed corollas have generally been identified as Mimulus dentilobus B. L. Robinson & Fernald, but these occur as three, morphologically distinct, widely allopatric population systems, each of which is regarded as a separate species (G. L. Nesom 2012g). Erythranthe dentiloba (B. L. Robinson & Fernald) G. L. Nesom, which is endemic to Mexico, is the only one of the three with an allogamous breeding system. Erythranthe parvula is restricted to Arizona and New Mexico except for one locality in northern Sonora, Mexico. Erythranthe chinatiensis is the third species of the group. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Source | FNA vol. 17, p. 390. | FNA vol. 17, p. 424. |
Parent taxa | Phrymaceae > Erythranthe | Phrymaceae > Erythranthe |
Sibling taxa | ||
Synonyms | Eunanus breweri, Mimulus breweri, M. rubellus var. breweri | Mimulus parvulus |
Name authority | (Greene) G. L. Nesom & N. S. Fraga: Phytoneuron 2012-39: 36. (2012) | (Wooton & Standley) G. L. Nesom: Phytoneuron 2012-39: 44. (2012) |
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