Erythranthe dentata

(Nuttall ex Bentham) G. L. Nesom

Phytoneuron 2012-39: 41. 2012.

Common names: Coastal or tooth-leaf monkeyflower
Basionym: Mimulus dentatus Nuttall ex Bentham in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 10: 372. 1846
Treatment appears in FNA Volume 17. Treatment on page 405. Mentioned on page 378, 403.

Perennials, rhizomatous. Stems erect to erect-ascending, simple or few-branched, 15–40 cm, coarsely pilose to hirsute-pilose, glabrescent, internodes evident. Leaves cauline; petiole (0–)2–12 mm, not winged, distally sometimes sessile, subclasping; blade pinnately veined, lanceolate to ovate-lanceolate or elliptic-ovate, 25–75 mm, thick, base rounded to cuneate, margins coarsely dentate to serrate, apex acute to obtuse, surfaces coarsely pilose to hirsute-pilose, glabrescent. Flowers herkogamous, 1–5, from distal nodes. Fruiting pedicels 12–25(–50) mm. Fruiting calyces narrowly campanulate, not or weakly inflated, 9–14 mm, villous-hirsute on ribs. Corollas yellow, palate and throat brown to reddish brown-spotted, bilaterally symmetric, ± bilabiate; tube-throat funnelform, 15–26 mm, exserted beyond calyx margin; throat open, palate villous, abaxial ridges low. Styles glabrous. Anthers included, short villous-hirsute. Capsules included, 8–9 mm.

Phenology: Flowering May–Aug.
Habitat: Stream banks.
Elevation: 20–400 m.


B.C., Calif., Oreg., Wash.


Erythranthe dentata is distinctive and rarely misidentified.

Selected References


Lower Taxa

... more about "Erythranthe dentata"
Guy L. Nesom +  and Naomi S. Fraga +
(Nuttall ex Bentham) G. L. Nesom +
Mimulus dentatus +
Coastal or tooth-leaf monkeyflower +
B.C. +, Calif. +, Oreg. +  and Wash. +
20–400 m. +
Stream banks. +
Flowering May–Aug. +
Phytoneuron +
Illustrated +  and Endemic +
Mimulus sect. Erythranthe +  and Mimulus subg. Synplacus +
Erythranthe dentata +
Erythranthe +
species +