Erythranthe breweri |
Erythranthe unimaculata |
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Brewer's monkey-flower |
green-palate monkeyflower |
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Habit | Annuals, taprooted. | Annuals, shallowly fibrous-rooted or slender-taprooted, sometimes rooting at proximal nodes. |
Stems | erect, simple or branched from basal nodes, 2–20 cm, densely glandular-puberulent, hairs 0.05–0.1 mm, gland-tipped. |
erect or basally ascending-erect, simple or few-branched, becoming fistulose in larger plants, (2–)10–30(–100) cm, delicately short glandular-villous to stipitate-glandular, often glabrous below inflorescence. |
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. |
usually cauline, basal sometimes persistent, distal connate-perfoliate, often bractlike; petiole: proximals 4–10(–15) mm, distals 0 mm; blade: proximals sometimes subpinnately veined, usually with (1 or)2 pairs arising from midvein above base, becoming palmately veined distally, ovate-lanceolate to ovate or broadly ovate-elliptic, mid cauline 12–40(–50) × 10–25(–45) mm, base rounded to truncate or cuneate, margins shallowly dentate-serrate to serrate, teeth 7–12 per side, apex rounded to obtuse, surfaces glabrous, sometimes with sharp-pointed hirtellous, vitreous-flattened, or gland-tipped hairs. |
Flowers | herkogamous, 1–8, from medial to distal nodes. |
herkogamous, (1–)3–14, usually from mid stem and distally, chasmogamous. |
Styles | glabrous. |
hirtellous. |
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. |
pale yellow, palate and abaxial throat dark yellow, drying blue-green, red-spotted, bilaterally symmetric, bilabiate; tube-throat funnelform to subfunnelform, (7–)9–14 mm, exserted 3–4 mm beyond calyx margin; limb broadly expanded (8–17 mm pressed), palate densely bearded. |
Fruiting pedicels | 4–12 mm, densely glandular-puberulent, hairs 0.05–0.1 mm, gland-tipped. |
10–40 mm, delicately short glandular-villous to stipitate-glandular, often glabrous below inflorescence. |
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 30–90º, broadly campanulate, inflated, sagittally compressed, 9–13(–15) mm, sparsely glandular-villous to stipitate-glandular, throat closing, adaxial lobe distinctly longer. |
Capsules | included, 3–7 mm. |
included, 5–8 mm. |
Anthers | included, glabrous. |
included, glabrous. |
2n | = 28. |
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Erythranthe breweri |
Erythranthe unimaculata |
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Phenology | Flowering Jun–Aug(–Sep). | Flowering Jan–Jun. |
Habitat | Seeps and springs, damp rocks, vernal creek beds, cliffs, granite outcrops, rocky ridges, gravelly areas, meadow edges, stream edges. | Stream and canal sides, pool edges, canyon bottoms, sand, gravel, and mud, riparian habitats, pine-oak forests. |
Elevation | (700–)1300–3500 m. ((2300–)4300–11500 ft.) | 200–2000 m. (700–6600 ft.) |
Distribution |
AZ; CA; ID; MT; NV; OR; UT; WA; WY; AB; BC
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AZ; NM; Mexico (Chihuahua, Sonora) |
Discussion | Erythranthe unimaculata is recognized by its annual duration (fibrous-rooted, without stolons or rhizomes), delicate-glandular vestiture, mostly sessile to subsessile, often widely spaced leaves, closed fruiting calyces, and relatively large, pale yellow to nearly white corollas with a dark yellow palate that commonly dries blue-green. The breeding system is allogamous. Plants commonly are single-stemmed and usually erect but sometimes produce decumbent-ascending stems branching from the base, these sometimes rooting at proximal nodes. Erythranthe unimaculata is known from Cochise, Gila, Pima, and Santa Cruz counties, Arizona, and from Doña Ana County, New Mexico. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Source | FNA vol. 17, p. 390. | FNA vol. 17, p. 413. |
Parent taxa | Phrymaceae > Erythranthe | Phrymaceae > Erythranthe |
Sibling taxa | ||
Synonyms | Eunanus breweri, Mimulus breweri, M. rubellus var. breweri | Mimulus unimaculatus |
Name authority | (Greene) G. L. Nesom & N. S. Fraga: Phytoneuron 2012-39: 36. (2012) | (Pennell) G. L. Nesom: Phytoneuron 2012-39: 44. (2012) |
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