Erythranthe tilingii |
Erythranthe shevockii |
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larger mountain monkeyflower, mountain monkey-flower, Tiling's monkey-flower |
Kelso Creek monkeyflower, Kelso Creek or Shevock's monkeyflower |
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Habit | Perennials, rhizomatous, solitary to weakly colonial, rhizomes forming a mass, yellowish, branching, filiform. | Annuals, taprooted. |
Stems | erect-ascending, usually freely branched, 2–35 cm, glabrous or sparsely stipitate-glandular to short glandular-villous. |
erect, simple or branched from basal nodes, 2–12 cm, minutely puberulent or glabrous. |
Leaves | cauline; petiole 0–25 mm, distals 0 mm; blade palmately 3–5-veined, ovate to lanceolate-triangular or narrowly lanceolate (broadly ovate in large-leaved forms), 5–35(–55) mm, base cuneate to attenuate, margins irregularly denticulate, apex acute to obtuse or rounded, surfaces glabrous, sparsely stipitate-glandular to short glandular-villous, glabrate, or sparsely to moderately villous, hairs thick-vitreous, eglandular. |
cauline, basal not persistent; petiole 0 mm; blade palmately 3-veined (in broader ones), lanceolate to ovate, 3–10 × 1–5 mm, base truncate to truncate-cordate, clasping, margins entire, apex acute to obtuse, surfaces minutely puberulent or glabrous. |
Flowers | herkogamous, 1–3(–5), from distal nodes. |
herkogamous, 1–16, from distal or medial to distal nodes. |
Styles | hirtellous. |
glabrous. |
Corollas | yellow, red-dotted, bilaterally symmetric, bilabiate; tube-throat broadly funnelform, 15–28 mm, exserted 5–10 mm beyond calyx margin; limb expanded 14–30 mm. |
maroon and yellow, 2 lateral lobes maroon, 1 much larger central lobe yellow (red-spotted), 2 adaxial lobes maroon, bilaterally symmetric, strongly bilabiate; tube-throat cylindric, 8–12 mm, exserted 2–3 mm beyond calyx margin; limb expanded 8–15 mm, central lobe 2-fid, abaxial limb sparsely villous-bearded. |
Fruiting pedicels | 15–35(–40) mm, sparsely stipitate-glandular to short glandular-villous. |
ascending to often spreading horizontally, 10–22 mm. |
Fruiting calyces | usually purple-tinged and purple-dotted, broadly campanulate, inflated, sagittally compressed, 11–15 mm, glabrous or sparsely stipitate-glandular to short glandular-villous, villous at sinuses, throat closing, lobes broadly ovate, abaxial usually longer than lateral, adaxial at least 2 times as long as others. |
red-spotted or red, campanulate, 4–7 mm, margins distinctly toothed or lobed, minutely puberulent or glabrous, ribs weak, lobes pronounced, erect, margins glabrous. |
Capsules | included, 5–7 mm. |
included, 5–6 mm. |
Anthers | included, glabrous. |
included, glabrous. |
2n | = 28, 56. |
= 32. |
Erythranthe tilingii |
Erythranthe shevockii |
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Phenology | Flowering Jul–Sep. | Flowering Mar–May. |
Habitat | Seeps, springs, stream banks, shallow rivulets, cliff bases, ledges and crevices, steep gravelly slopes, wet meadows. | Level openings in juniper and Joshua tree woodlands. |
Elevation | 1400–3400 m. (4600–11200 ft.) | 900–1400 m. (3000–4600 ft.) |
Distribution |
AZ; CA; ID; MT; NV; OR; UT; AB
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CA
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Discussion | Plants of Erythranthe tilingii are characterized by their relatively low stature and stems arising from a system of thin rhizomes and producing mostly one to three large flowers each; they usually occur at relatively high elevations. Erythranthe tilingii sometimes has been considered to include one or several infraspecific entities; from within this taxonomic amalgam, four distinct species are recognized here: E. caespitosa, E. corallina, E. minor, and E. tilingii. Erythranthe corallina and E. minor probably are more closely related to E. guttata. The populations identified here as E. tilingii from northeastern Oregon northeast to Alberta and southeast to Utah may prove to be a separate (undescribed) species. Erythranthe tilingii in the strict sense is relatively widespread over the western United States and is sympatric with E. caespitosa and E. corallina. Leaves in E. tilingii are variable in size, and particularly in Idaho, they may approach the small size of those of E. caespitosa, but the leaf margins of E. tilingii are distinctly toothed, and the stems are taller and more erect. Across the range of the species, plants sometimes produce very large leaves, but these often occur on plants with characteristically smaller leaves. This wide variability in size apparently does not occur in E. caespitosa. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Erythranthe shevockii is known only from the southernmost Sierra Nevada in Kern County. It (as Mimulus shevockii) is in the Center for Plant Conservation’s National Collection of Endangered Plants. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 17, p. 408. | FNA vol. 17, p. 389. |
Parent taxa | Phrymaceae > Erythranthe | Phrymaceae > Erythranthe |
Sibling taxa | ||
Synonyms | Mimulus tilingii, M. caespitosus var. implexus, M. implexus, M. implicatus, M. langsdorffii var. tilingii, M. lucens, M. veronicifolius | Mimulus shevockii |
Name authority | (Regel) G. L. Nesom: Phytoneuron 2012-39: 44. (2012) | (Heckard & Bacigalupi) N. S. Fraga: Phytoneuron 2012-39: 35. (2012) |
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