Erythranthe primuloides |
Erythranthe corallina |
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primrose monkey-flower |
coralline monkeyflower |
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Habit | Perennials, rhizomatous or stoloniferous, mat-forming, rhizomes or stolons flagelliform. | Perennials, rhizomatous, rhizomes often forming a mass, usually branching, filiform. |
Stems | erect to ascending, usually simple, 2–10(–20) cm, villous, internodes shortened. |
usually erect to ascending-erect, few-branched, 6–25(–38) cm, moderately hirsute to hirtellous, hairs deflexed. |
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. |
basal and cauline, becoming larger distally or even-sized; petiole 0 mm or proximals 1–15 mm; blade palmately 5-veined, ovate to broadly ovate, 15–45 mm, base mostly truncate to shallowly cordate, margins sharply dentate-serrate, apex obtuse, surfaces hirtellous to softly hirsute, hairs ascending, straight, dull gray, sharp-pointed, thick-walled, eglandular. |
Flowers | herkogamous, 1. |
herkogamous, 1–3(–6), commonly solitary or from distal nodes. |
Styles | glabrous. |
sparsely hirtellous. |
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, red-spotted, bilaterally symmetric, bilabiate; tube-throat narrowly funnelform to broadly cylindric, 13–20 mm, exserted beyond calyx margin; limb expanded 12–22 mm. |
Fruiting pedicels | 30–110(–130) mm, glabrous or sparsely stipitate-glandular near base. |
(10–)25–75 mm, glabrous or puberulent proximally, hairs stipitate-glandular. |
Fruiting calyces | tubular-campanulate, weakly or not inflated, 6–8 mm, glabrous. |
sometimes purple-spotted, broadly cylindric-campanulate, inflated, sagittally compressed, 11–15 mm, glabrous, throat not closing, proximal lobe pair slightly upcurving. |
Capsules | included, 6–7 mm. |
included, stipitate, 7–10 mm. |
Anthers | slightly exserted, margins ciliate, glabrous. |
included, glabrous. |
2n | = 34. |
= 48, 56. |
Erythranthe primuloides |
Erythranthe corallina |
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Phenology | Flowering Jun–Aug. | Flowering (May–)Jun–Aug. |
Habitat | Wet meadows, seeps, streamsides. | Creek banks, moraine water courses, bogs, marshes, wet meadows, roadside ditches. |
Elevation | 600–3400 m. (2000–11200 ft.) | (1400–)1700–2700(–3000) m. ((4600–)5600–8900(–9800) ft.) |
Distribution |
AZ; CA; ID; MT; NM; NV; OR; UT; WA
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CA; NV |
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 corallina is a morphologically consistent entity that occurs only in the Sierra Nevada of California and adjacent Nevada (Washoe County and Carson City). Its chromosome number is reported as 2n = 48 and 56, compared to 2n = 28 and 56 in E. tilingii; identities of the E. corallina vouchers should be rechecked and additional counts made, since the occurrence of such wide dysploidy seems unlikely. Compared to the leaf blades of E. tilingii in the strict sense, those of E. corallina are relatively broader (broadly ovate to orbicular-ovate), the plants generally taller, and long-pedicellate flowers occasionally are produced from mid stem or even proximal nodes. The hirsutulous to hirsute vestiture of eglandular hairs on both leaf surfaces is a reliably diagnostic feature and usually easily observed with a 10× lens. Some plants of Erythranthe corallina from San Bernardino County, California, produce decumbent-ascending stems (4–10 cm) and ovate-triangular leaves (blade 5–10 × 3–6 mm), but the dense system of filiform rhizomes, flowers one to three, and hirtellous foliar vestiture serve to identify them. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 17, p. 389. | FNA vol. 17, p. 410. |
Parent taxa | Phrymaceae > Erythranthe | Phrymaceae > Erythranthe |
Sibling taxa | ||
Synonyms | Mimulus primuloides, M. nevadensis, M. pilosellus, M. primuloides var. minimus, M. primuloides var. pilosellus | Mimulus corallinus, M. minusculus, M. tilingii var. corallinus |
Name authority | (Bentham) G. L. Nesom & N. S. Fraga: Phytoneuron 2012-39: 35. (2012) | (Greene) G. L. Nesom: Phytoneuron 2012-39: 44. (2012) |
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