Erythranthe filicaulis |
Erythranthe minor |
|
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Hetch Hetchy monkey-flower, slender-stem monkeyflower |
Colorado monkeyflower |
|
Habit | Annuals, taprooted. | Perennials, rhizomatous, colonial, rhizomes forming a mass, branching, filiform. |
Stems | erect, simple or branched at basal nodes, 4–30 cm, densely glandular-puberulent, hairs 0.05–0.1 mm, gland-tipped. |
erect to erect-ascending, branched, 5–20 cm, densely minutely hirtellous and eglandular or with a mixture of hirtellous and gland-tipped hairs. |
Leaves | cauline, basal usually not persistent; petiole 0 mm; blade 1-veined or palmately 3-veined, linear to oblanceolate, 6–15 × (1–)2–3 mm, base attenuate, margins entire to remotely mucronulate, teeth 1–3 per side, apex acute, surfaces densely glandular-puberulent, hairs 0.05–0.1 mm, gland-tipped. |
basal and cauline; petiole 0 mm or proximals 1–3 mm; blade palmately 3-veined, broadly ovate to elliptic-ovate or lanceolate, 8–25 × 5–15 mm, base cuneate to truncate, margins shallowly dentate to denticulate, apex acute to obtuse, surfaces glabrous. |
Flowers | herkogamous, 2–8, from medial to distal nodes. |
herkogamous, 1–3, from distal nodes. |
Styles | glabrous. |
sparsely hirtellous. |
Corollas | pink to purple, throat dark red-purple, palate ridges yellow, bilaterally or nearly radially symmetric, weakly bilabiate or nearly regular; tube-throat cylindric-funnelform, 8–12(–17) mm, exserted beyond calyx margin; limb expanded 10–14 mm, lobes notched, palate villous. |
yellow, not red-dotted, bilaterally symmetric, bilabiate; tube-throat tubular-funnelform, 9–11 mm, exserted 0–1(–2) mm beyond calyx margin. |
Fruiting pedicels | 9–30 mm, densely glandular-puberulent, hairs 0.05–0.1 mm, gland-tipped. |
10–20 mm, densely minutely hirtellous and eglandular or with a mixture of hirtellous and gland-tipped hairs. |
Fruiting calyces | reddish brown-spotted, strongly angled, cylindric-campanulate, 7–9 mm, margins distinctly toothed or lobed, densely glandular-puberulent, hairs 0.05–0.1 mm, gland-tipped, ribs corky, lobes pronounced, spreading. |
nodding 80–100º, not purple-dotted, cylindric-campanulate, inflated, sagittally compressed, 10–13 mm, densely minutely hirtellous and eglandular or with a mixture of hirtellous and gland-tipped hairs, throat closing. |
Capsules | included, 5–7 mm. |
included, 5–8 mm. |
Anthers | included, hirtellous. |
included, glabrous. |
2n | = 16. |
|
Erythranthe filicaulis |
Erythranthe minor |
|
Phenology | Flowering May–Jul. | Flowering Jul–Aug(–Sep). |
Habitat | Moist open areas on gentle slopes, meadows, roadsides, gravelly soils. | Stream and lake edges, intermittent subalpine water courses, roadside ditches, subalpine to alpine. |
Elevation | 800–1800 m. (2600–5900 ft.) | 3000–3700 m. (9800–12100 ft.) |
Distribution |
CA
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CO; NM |
Discussion | Erythranthe filicaulis is known only for certain from Mariposa and Tuolumne counties. Kappler 1691 (UCLA) from Madera County also may be this species. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
The corollas of Erythranthe minor are shorter than those of typical E. tilingii, and the two species are allopatric. Corollas of E. tilingii rarely may be equally as short as those of E. minor but are produced in scattered localities on plants that are depauperate in other ways. The range of E. minor is primarily in Colorado apparently extending southward into the Wheeler Peak area of Taos County, New Mexico. Attribution of its range into the La Sal Mountains of east-central Utah has been based on misidentifications of E. guttata; the distinction between E. guttata and E. minor in Colorado also needs clarification. Mimulus luteus Linnaeus var. alpinus A. Gray (1863, the type from Colorado) is an illegitimate name for Erythranthe minor, preceded by M. luteus var. alpinus Lindley (1827). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 17, p. 391. | FNA vol. 17, p. 409. |
Parent taxa | Phrymaceae > Erythranthe | Phrymaceae > Erythranthe |
Sibling taxa | ||
Synonyms | Mimulus filicaulis, M. biolettii | Mimulus minor, M. alpinus, M. langsdorffii var. alpinus, M. langsdorffii var. minor |
Name authority | (S. Watson) G. L. Nesom & N. S. Fraga: Phytoneuron 2012-39: 36. (2012) | (A. Nelson) G. L. Nesom: Phytoneuron 2012-39: 44. (2012) |
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