Erythranthe primuloides |
Erythranthe suksdorfii |
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primrose monkey-flower |
miniature monkey-flower, sukdorf's monkeyflower, Suksdorf's monkey-flower |
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Habit | Perennials, rhizomatous or stoloniferous, mat-forming, rhizomes or stolons flagelliform. | Annuals, taprooted, densely compact. |
Stems | erect to ascending, usually simple, 2–10(–20) cm, villous, internodes shortened. |
erect, simple or many-branched from basal nodes, 0.5–10(–13) cm, minutely puberulent, internodes shortened, not 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, basal not persistent; petiole 0 mm; blade 1-veined or palmately 3-veined (in broader ones), linear to lanceolate or ovate, 2–20(–25) × 0.5–4 mm, base attenuate, margins entire, apex acute to obtuse, surfaces minutely puberulent. |
Flowers | herkogamous, 1. |
herkogamous or plesiogamous, 1–72, from distal or medial to 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, throat sometimes with red markings, abaxial limb sometimes with a red dot, bilaterally symmetric, weakly bilabiate; tube-throat cylindric, indistinct from throat, 4–6 mm, exserted beyond calyx margin; limb expanded 2–3 mm, lobes entire or weakly notched, palate glabrous or sparsely bearded. |
Fruiting pedicels | 30–110(–130) mm, glabrous or sparsely stipitate-glandular near base. |
2–10 mm. |
Fruiting calyces | tubular-campanulate, weakly or not inflated, 6–8 mm, glabrous. |
cylindric to urn-shaped, 3–6 mm, margins distinctly toothed or lobed, glabrous or minutely puberulent, ribs thickened, lobes pronounced, erect. |
Capsules | included, 6–7 mm. |
included, 3–6 mm. |
Anthers | slightly exserted, margins ciliate, glabrous. |
included, glabrous. |
2n | = 34. |
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Erythranthe primuloides |
Erythranthe suksdorfii |
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Phenology | Flowering Jun–Aug. | Flowering Apr–Aug. |
Habitat | Wet meadows, seeps, streamsides. | Moist, generally loamy to clay soils in open areas. |
Elevation | 600–3400 m. (2000–11200 ft.) | 700–4200 m. (2300–13800 ft.) |
Distribution |
AZ; CA; ID; MT; NM; NV; OR; UT; WA
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AZ; CA; ID; MT; NM; NV; OR; UT; WA; WY; 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.) |
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Source | FNA vol. 17, p. 389. | FNA vol. 17, p. 384. |
Parent taxa | Phrymaceae > Erythranthe | Phrymaceae > Erythranthe |
Sibling taxa | ||
Synonyms | Mimulus primuloides, M. nevadensis, M. pilosellus, M. primuloides var. minimus, M. primuloides var. pilosellus | Mimulus suksdorfii |
Name authority | (Bentham) G. L. Nesom & N. S. Fraga: Phytoneuron 2012-39: 35. (2012) | (A. Gray) N. S. Fraga: Phytoneuron 2012-39: 35. (2012) |
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