Erythranthe washingtonensis |
Erythranthe rhodopetra |
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John Day or Washington monkeyflower, Washington monkey-flower |
red rock canyon 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 from basal nodes, 6–7(–21) cm, minutely puberulent. |
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 0 mm; blade palmately 3-veined, linear to oblanceolate, 5–22 × 1–7(–10) mm, base attenuate, margins entire, apex acute to obtuse, surfaces minutely puberulent. |
Flowers | herkogamous, 1–6, from proximal to distal nodes. |
herkogamous, 1–46, from distal or 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. |
pale pink to pink, throat broad, yellow, palate with a broad yellow patch covering ridges and lateral areas, bilaterally symmetric, strongly bilabiate; tube-throat cylindric to funnelform, 9–15 mm, exserted beyond calyx margin; limb expanded 16–25 mm, lobes notched, abaxial limb glabrous or sparsely bearded. |
Fruiting pedicels | divergent at nearly right angles, 20–50 mm, densely, minutely stipitate-glandular. |
erect to ascending, 10–33(–40) mm. |
Fruiting calyces | greenish, ridge-angled, tubular, weakly inflated, 6–8 mm, margins distinctly toothed or lobed, densely, minutely stipitate-glandular, lobes pronounced, erect. |
becoming reddish, campanulate to cylindric, 5–10 mm, margins distinctly toothed or lobed, minutely puberulent, ribs thickened, lobes pronounced, erect, margins glabrous. |
Capsules | included, 5–8.5 mm. |
included, 4–9 mm. |
Anthers | included, glabrous. |
included, glabrous. |
2n | = 32. |
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Erythranthe washingtonensis |
Erythranthe rhodopetra |
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Phenology | Flowering May–Sep. | Flowering Mar–May. |
Habitat | Shallow basalt gravel in narrow channels and intermittent streams, sandy stream banks, open slopes, rocky shelves near seeps. | Washes in Mojave Desert scrub. |
Elevation | 700–1300 m. (2300–4300 ft.) | 600–900 m. (2000–3000 ft.) |
Distribution |
OR
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CA |
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 rhodopetra is endemic to the El Paso Mountains in Kern County. The species was treated previously as part of E. palmeri but is distinguished by having a wider limb (16–25 mm) than E. palmeri (8–15 mm) and pale pink flowers with a broad yellow palate and orifice. In contrast, E. palmeri has deep pink corollas with two yellow ridges on the palate. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 17, p. 396. | FNA vol. 17, p. 387. |
Parent taxa | Phrymaceae > Erythranthe | Phrymaceae > Erythranthe |
Sibling taxa | ||
Synonyms | Mimulus washingtonensis | |
Name authority | (Gandoger) G. L. Nesom: Phytoneuron 2012-39: 39. (2012) — (as washingtoniensis) | N. S. Fraga: Aliso 30: 66, figs. 26–28. (2012) |
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