Difference between revisions of "Erythranthe washingtonensis"

(Gandoger) G. L. Nesom

Phytoneuron 2012-39: 39. 2012. (as washingtoniensis)

Common names: John Day or Washington monkeyflower
Endemic
Basionym: Mimulus washingtonensis Gandoger Bull. Soc. Bot. France 66: 218. 1919
Treatment appears in FNA Volume 17. Treatment on page 396. Mentioned on page 381.
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|genus=Erythranthe
 
|genus=Erythranthe
 
|species=Erythranthe washingtonensis
 
|species=Erythranthe washingtonensis

Latest revision as of 19:29, 5 November 2020

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. 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. Flowers herkogamous, 1–6, from proximal to distal nodes. Fruiting pedicels divergent at nearly right angles, 20–50 mm, densely, minutely stipitate-glandular. Fruiting calyces greenish, ridge-angled, tubular, weakly inflated, 6–8 mm, margins distinctly toothed or lobed, densely, minutely stipitate-glandular, lobes pronounced, erect. 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. Styles hispid-hirtellous. Anthers included, glabrous. Capsules included, 5–8.5 mm. 2n = 32.


Phenology: Flowering May–Sep.
Habitat: Shallow basalt gravel in narrow channels and intermittent streams, sandy stream banks, open slopes, rocky shelves near seeps.
Elevation: 700–1300 m.

Discussion

Erythranthe washingtonensis is considered to be extirpated in Washington by the Washington Natural Heritage Program.

Selected References

None.

Lower Taxa

None.
Guy L. Nesom +  and Naomi S. Fraga +
(Gandoger) G. L. Nesom +
Mimulus washingtonensis +
John Day or Washington monkeyflower +
700–1300 m. +
Shallow basalt gravel in narrow channels and intermittent streams, sandy stream banks, open slopes, rocky shelves near seeps. +
Flowering May–Sep. +
Phytoneuron +
Mimulus sect. Erythranthe +  and Mimulus subg. Synplacus +
Erythranthe washingtonensis +
Erythranthe +
species +