Erythranthe washingtonensis |
Erythranthe ampliata |
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John Day or Washington monkeyflower, Washington monkey-flower |
Nez Perce monkey-flower |
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Habit | Annuals, fibrous-rooted or filiform-taprooted. | Annuals, fibrous-rooted or filiform-taprooted. |
Stems | 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. |
erect to ascending, straight or geniculate at nodes, usually many-branched, 4-angled, 5–17 cm, sparsely sessile- to subsessile-glandular, hairs 0.05–0.2 mm, gland-tipped. |
Leaves | 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. |
cauline, basal not persistent; petiole 8–20 mm; blade palmately veined, broadly ovate to lanceolate, 8–25 × 5–19 mm, base cuneate, margins dentate to coarsely denticulate, apex acute to obtuse, surfaces sparsely sessile- to subsessile-glandular, hairs 0.05–0.2 mm, gland-tipped. |
Flowers | herkogamous, 1–6, from proximal to distal nodes. |
herkogamous, 1–10, from proximal to distal nodes. |
Styles | hispid-hirtellous. |
glabrous. |
Corollas | 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. |
deep yellow, sometimes with small white patches, abaxial limb with a few brownish dots, bilaterally symmetric, strongly bilabiate; tube-throat broadly funnelform, 8–12(–14) mm, exserted beyond calyx margin; lobes obovate-oblong, apex rounded to truncate. |
Fruiting pedicels | divergent at nearly right angles, 20–50 mm, densely, minutely stipitate-glandular. |
10–22 mm, sparsely sessile- to subsessile-glandular, hairs 0.05–0.2 mm, gland-tipped. |
Fruiting calyces | greenish, ridge-angled, tubular, weakly inflated, 6–8 mm, margins distinctly toothed or lobed, densely, minutely stipitate-glandular, lobes pronounced, erect. |
tubular-campanulate, not or weakly inflated, 6–8 mm, margins distinctly toothed or lobed, minutely, sparsely stipitate-glandular or glabrous, lobes pronounced, erect. |
Capsules | included, 5–8.5 mm. |
included, 5–6 mm. |
Anthers | included, glabrous. |
included, glabrous. |
2n | = 32. |
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Erythranthe washingtonensis |
Erythranthe ampliata |
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Phenology | Flowering May–Sep. | Flowering Jun–Jul. |
Habitat | Shallow basalt gravel in narrow channels and intermittent streams, sandy stream banks, open slopes, rocky shelves near seeps. | Basalt outcrops, seepy roadcuts, grassland seeps. |
Elevation | 700–1300 m. (2300–4300 ft.) | 900–1700 m. (3000–5600 ft.) |
Distribution |
OR
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ID; MT |
Discussion | 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.) |
Erythranthe ampliata is known from Clearwater, Lewis, and Nez Perce counties in Idaho and six western counties in Montana. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 17, p. 396. | FNA vol. 17, p. 398. |
Parent taxa | Phrymaceae > Erythranthe | Phrymaceae > Erythranthe |
Sibling taxa | ||
Synonyms | Mimulus washingtonensis | Mimulus ampliatus |
Name authority | (Gandoger) G. L. Nesom: Phytoneuron 2012-39: 39. (2012) — (as washingtoniensis) | (A. L. Grant) G. L. Nesom: Phytoneuron 2012-39: 38. (2012) |
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