Erythranthe primuloides |
Erythranthe calcicola |
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primrose monkey-flower |
limestone monkeyflower |
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Habit | Perennials, rhizomatous or stoloniferous, mat-forming, rhizomes or stolons flagelliform. | Annuals, taprooted. |
Stems | erect to ascending, usually simple, 2–10(–20) cm, villous, internodes shortened. |
erect, simple or branched from basal nodes, 2–10(–15) cm, sparsely glandular-pubescent, internodes elongate, distinct. |
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 0–1 mm; blade palmately 3-veined (in broader ones), lanceolate to ovate, 3–25 × 2–8(–10) mm, base attenuate, margins entire, sometimes toothed, apex acute to obtuse, surfaces sparsely glandular-pubescent. |
Flowers | herkogamous, 1. |
herkogamous, sometimes plesiogamous, 1–16, 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 or white and throat yellow, throat and limb red-spotted, bilaterally symmetric, weakly bilabiate; tube-throat cylindric, 6–13 mm, exserted beyond calyx margin; limb expanded 3–7(–9) mm, lobes notched, abaxial limb sparsely bearded or glabrous. |
Fruiting pedicels | 30–110(–130) mm, glabrous or sparsely stipitate-glandular near base. |
(3–)5–20 mm. |
Fruiting calyces | tubular-campanulate, weakly or not inflated, 6–8 mm, glabrous. |
campanulate to widely cylindric, 5–7 mm, margins distinctly toothed or lobed, sparsely glandular-pubescent, ribs strongly angled, lobes pronounced, erect. |
Capsules | included, 6–7 mm. |
included, 4–6 mm. |
Anthers | slightly exserted, margins ciliate, glabrous. |
included, glabrous. |
2n | = 34. |
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Erythranthe primuloides |
Erythranthe calcicola |
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Phenology | Flowering Jun–Aug. | Flowering Apr–Jun. |
Habitat | Wet meadows, seeps, streamsides. | Creosote bush and Joshua tree woodlands, usually on carbonate substrate, primarily on talus slopes. |
Elevation | 600–3400 m. (2000–11200 ft.) | 900–2200 m. (3000–7200 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 calcicola was previously included in the broader concept of E. montioides; the former can be distinguished by its glandular herbage, broader lanceolate to ovate leaves, strongly angled calyces, and smaller flowers. The species is restricted to the northern Mojave Desert and southwestern Great Basin and occurs primarily on talus slopes on substrates derived from carbonate rock. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 17, p. 389. | FNA vol. 17, p. 383. |
Parent taxa | Phrymaceae > Erythranthe | Phrymaceae > Erythranthe |
Sibling taxa | ||
Synonyms | Mimulus primuloides, M. nevadensis, M. pilosellus, M. primuloides var. minimus, M. primuloides var. pilosellus | |
Name authority | (Bentham) G. L. Nesom & N. S. Fraga: Phytoneuron 2012-39: 35. (2012) | N. S. Fraga & D. A. York: Aliso 30: 54, figs. 12–16. (2012) |
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