Erythranthe primuloides |
Erythranthe dentata |
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primrose monkey-flower |
coast monkeyflower, coastal monkey-flower, tooth-leaf monkey-flower |
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Habit | Perennials, rhizomatous or stoloniferous, mat-forming, rhizomes or stolons flagelliform. | Perennials, rhizomatous. |
Stems | erect to ascending, usually simple, 2–10(–20) cm, villous, internodes shortened. |
erect to erect-ascending, simple or few-branched, 15–40 cm, coarsely pilose to hirsute-pilose, glabrescent, internodes evident. |
Leaves | all basal or near basal, often rosulate; petiole 0 mm; blade palmately 3-veined, oblanceolate to elliptic-obovate, 7–40 × 4–12 mm, base cuneate to attenuate, margins entire, distally denticulate to dentate, or sharply serrate-dentate, apex acute to obtuse, abaxial surface glabrous, adaxial glabrous or glabrate to sparsely to densely long-villous, eglandular. |
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. |
herkogamous, 1–5, from distal nodes. |
Styles | glabrous. |
glabrous. |
Corollas | yellow to orange-yellow, usually brown-spotted abaxially, base of each abaxial lobe usually with a larger reddish brown spot, bilaterally or nearly radially symmetric, weakly bilabiate or nearly regular, densely hirsute on abaxial side of opening; tube-throat narrowly campanulate, 15–20 mm, exserted beyond calyx margin; lobes broadly obovate-oblong, apex rounded- or truncate-notched, throat open, palate densely villous, abaxial ridges prominent. |
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. |
Fruiting pedicels | 30–110(–130) mm, glabrous or sparsely stipitate-glandular near base. |
12–25(–50) mm. |
Fruiting calyces | tubular-campanulate, weakly or not inflated, 6–8 mm, glabrous. |
narrowly campanulate, not or weakly inflated, 9–14 mm, villous-hirsute on ribs. |
Capsules | included, 6–7 mm. |
included, 8–9 mm. |
Anthers | slightly exserted, margins ciliate, glabrous. |
included, short villous-hirsute. |
2n | = 34. |
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Erythranthe primuloides |
Erythranthe dentata |
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Phenology | Flowering Jun–Aug. | Flowering May–Aug. |
Habitat | Wet meadows, seeps, streamsides. | Stream banks. |
Elevation | 600–3400 m. (2000–11200 ft.) | 20–400 m. (100–1300 ft.) |
Distribution |
AZ; CA; ID; MT; NM; NV; OR; UT; WA
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CA; OR; WA; BC
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Discussion | Flowers in Erythranthe primuloides and E. linearifolia characteristically appear to be scapose, but the scapes are pedicels arising from axils of greatly foreshortened stems. Occasionally in both species the internodes may lengthen somewhat, and the leaves are not so densely clustered at the base of the stems. In northern Klamath, western Deschutes, and eastern Douglas counties, Oregon, an area within the range of typical populations, Erythranthe primuloides has distinctively large corollas (limbs 10–15 mm wide). Apparent clones of large-flowered and smaller-flowered plants sometimes grow in close proximity or even intermixed, appearing as two different entities. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Erythranthe dentata is distinctive and rarely misidentified. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 17, p. 389. | FNA vol. 17, p. 405. |
Parent taxa | Phrymaceae > Erythranthe | Phrymaceae > Erythranthe |
Sibling taxa | ||
Synonyms | Mimulus primuloides, M. nevadensis, M. pilosellus, M. primuloides var. minimus, M. primuloides var. pilosellus | Mimulus dentatus |
Name authority | (Bentham) G. L. Nesom & N. S. Fraga: Phytoneuron 2012-39: 35. (2012) | (Nuttall ex Bentham) G. L. Nesom: Phytoneuron 2012-39: 41. (2012) |
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