Erythranthe washingtonensis |
Erythranthe filicaulis |
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John Day or Washington monkeyflower, Washington monkey-flower |
Hetch Hetchy monkey-flower, slender-stem monkeyflower |
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Habit | Annuals, fibrous-rooted or filiform-taprooted. | Annuals, 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, simple or branched at basal nodes, 4–30 cm, densely glandular-puberulent, hairs 0.05–0.1 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 usually not persistent; petiole 0 mm; blade 1-veined or palmately 3-veined, linear to oblanceolate, 6–15 × (1–)2–3 mm, base attenuate, margins entire to remotely mucronulate, teeth 1–3 per side, apex acute, surfaces densely glandular-puberulent, hairs 0.05–0.1 mm, gland-tipped. |
Flowers | herkogamous, 1–6, from proximal to distal nodes. |
herkogamous, 2–8, from medial 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. |
pink to purple, throat dark red-purple, palate ridges yellow, bilaterally or nearly radially symmetric, weakly bilabiate or nearly regular; tube-throat cylindric-funnelform, 8–12(–17) mm, exserted beyond calyx margin; limb expanded 10–14 mm, lobes notched, palate villous. |
Fruiting pedicels | divergent at nearly right angles, 20–50 mm, densely, minutely stipitate-glandular. |
9–30 mm, densely glandular-puberulent, hairs 0.05–0.1 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. |
reddish brown-spotted, strongly angled, cylindric-campanulate, 7–9 mm, margins distinctly toothed or lobed, densely glandular-puberulent, hairs 0.05–0.1 mm, gland-tipped, ribs corky, lobes pronounced, spreading. |
Capsules | included, 5–8.5 mm. |
included, 5–7 mm. |
Anthers | included, glabrous. |
included, hirtellous. |
2n | = 32. |
= 16. |
Erythranthe washingtonensis |
Erythranthe filicaulis |
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Phenology | Flowering May–Sep. | Flowering May–Jul. |
Habitat | Shallow basalt gravel in narrow channels and intermittent streams, sandy stream banks, open slopes, rocky shelves near seeps. | Moist open areas on gentle slopes, meadows, roadsides, gravelly soils. |
Elevation | 700–1300 m. (2300–4300 ft.) | 800–1800 m. (2600–5900 ft.) |
Distribution |
OR
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CA
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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 filicaulis is known only for certain from Mariposa and Tuolumne counties. Kappler 1691 (UCLA) from Madera County also may be this species. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 17, p. 396. | FNA vol. 17, p. 391. |
Parent taxa | Phrymaceae > Erythranthe | Phrymaceae > Erythranthe |
Sibling taxa | ||
Synonyms | Mimulus washingtonensis | Mimulus filicaulis, M. biolettii |
Name authority | (Gandoger) G. L. Nesom: Phytoneuron 2012-39: 39. (2012) — (as washingtoniensis) | (S. Watson) G. L. Nesom & N. S. Fraga: Phytoneuron 2012-39: 36. (2012) |
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