Erythranthe erubescens |
Erythranthe washingtonensis |
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California blushing monkeyflower |
John Day or Washington monkeyflower, Washington monkey-flower |
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Habit | Perennials, rhizomatous. | Annuals, fibrous-rooted or filiform-taprooted. |
Stems | erect, usually simple, 25–90 cm, stipitate-glandular to glandular-villous. |
erect to ascending, straight or geniculate at nodes, usually many-branched, terete, 5–25 cm, moderately puberulent-glandular to villous-glandular, hairs 0.1–0.8 mm, flattened, sometimes vitreous, distinctly multicellular, gland-tipped. |
Leaves | cauline; petiole 0 mm; blade palmately veined, elliptic to ovate, ovate-lanceolate, or lanceolate, (20–)30–90 × 5–25(–35) mm, base rounded to cuneate, subclasping, margins denticulate, subentire, or entire, apex acute, surfaces stipitate-glandular to glandular-villous. |
cauline, basal not persistent; petiole 2–14 mm; blade palmately veined, deltate or ovate to ovate-lanceolate, 4–16(–23) × 2–11(–16) mm, base rounded to cuneate or truncate, margins denticulate or entire, apex acute, surfaces moderately puberulent-glandular to villous-glandular, hairs 0.1–0.8 mm, flattened, sometimes vitreous, distinctly multicellular, gland-tipped. |
Flowers | herkogamous, 2–8, axillary at leafy medial to distal nodes. |
herkogamous, 1–6, from proximal to distal nodes. |
Styles | glabrous. |
hispid-hirtellous. |
Corollas | light pink, darker pink stripes down middle of each lobe, abaxial 3 lobes with a white basal patch, palate ridges yellow, bilaterally symmetric, strongly bilabiate; tube-throat funnelform, 20–30 mm, exserted beyond calyx margins; lobe apex usually truncate, shallowly retuse, throat open. |
yellow with small reddish brown dots, abaxial limb with 2 white patches (abaxial ridges), bilaterally symmetric, strongly bilabiate; tube-throat funnelform, 8–10 mm, exserted beyond calyx margin; limb expanded 7–10 mm, lobes obovate-oblong, apex rounded to rounded-cuneate. |
Fruiting pedicels | 45–90 mm. |
divergent at nearly right angles, 20–50 mm, densely, minutely stipitate-glandular. |
Fruiting calyces | cylindric-campanulate, not inflated, 15–22 mm, stipitate-glandular to glandular-villous, tube 14–19 × 6–8 mm, lobes subequal to distinctly unequal, ovate, apex linear-caudate. |
greenish, ridge-angled, tubular, weakly inflated, 6–8 mm, margins distinctly toothed or lobed, densely, minutely stipitate-glandular, lobes pronounced, erect. |
Capsules | included, 7–13 mm. |
included, 5–8.5 mm. |
Anthers | included, white-villous, thecae spreading. |
included, glabrous. |
2n | = 16. |
= 32. |
Erythranthe erubescens |
Erythranthe washingtonensis |
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Phenology | Flowering Jul–Aug. | Flowering May–Sep. |
Habitat | Springs and seeps, meadows, cliffs, steep rocky slopes, ridges. | Shallow basalt gravel in narrow channels and intermittent streams, sandy stream banks, open slopes, rocky shelves near seeps. |
Elevation | (1400–)1800–3000(–3500) m. ((4600–)5900–9800(–11500) ft.) | 700–1300 m. (2300–4300 ft.) |
Distribution |
CA; NV
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OR
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Discussion | Erythranthe erubescens was long identified as E. lewisii but is distinct in its light pink corollas (versus mostly magenta-rose to purplish in E. lewisii), more broadly cylindric calyx tube [14–19 × 6–8 mm versus 12–15(–17) × 9–12 mm], and its geographic range in the Sierra Nevada of California (versus widespread from southern Alaska south to northwestern California, northern Utah, eastern Nevada, and northern Colorado in E. lewisii). The two are genetically isolated and phylogenetically distinct (see summary of evidence in G. L. Nesom 2014b). In California, Erythranthe erubescens ranges from Modoc, Plumas, and Tehama counties south to Fresno County; in Nevada, it is known only from Washoe County and Carson City. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Erythranthe washingtonensis is considered to be extirpated in Washington by the Washington Natural Heritage Program. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 17, p. 393. | FNA vol. 17, p. 396. |
Parent taxa | Phrymaceae > Erythranthe | Phrymaceae > Erythranthe |
Sibling taxa | ||
Synonyms | Mimulus washingtonensis | |
Name authority | G. L. Nesom: Phytoneuron 2014-31: 12, figs. 11–13. (2014) | (Gandoger) G. L. Nesom: Phytoneuron 2012-39: 39. (2012) — (as washingtoniensis) |
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