Erythranthe decora |
Erythranthe inconspicua |
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mannered monkeyflower, northwestern monkey -flower, sharp-leaf monkey-flower, showy monkey-flower |
small-flower monkeyflower |
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Habit | Perennials, rhizomatous, sometimes producing numerous, long, remotely leafy runners from basal cauline nodes. | Annuals, fibrous-rooted. |
Stems | erect, simple, 20–100 cm, distals densely, minutely hirtellous. |
erect to ascending, simple or branched from base, 4-angled, 3–16 cm, glabrous. |
Leaves | cauline, basal usually not persistent; petiole: proximals 8–25 mm, midcauline 3–5 mm, distalmost 0 mm; blade palmately (3–)5–7-veined, broadly ovate-triangular to ovate-lanceolate, 20–50(–60) × 10–30(–40) mm, usually 1–2 times longer than wide, base rounded to truncate to shallowly cuneate, margins dentate, teeth sharp-pointed, apex acute, surfaces sometimes glabrate, distals densely, minutely hirtellous. |
basal and cauline; petiole: proximals 1–5 mm, mid cauline and distals 0 mm; blade palmately 3-veined, broadly elliptic to ovate or broadly ovate, 6–20 × 6–12 mm, base rounded to cordate, margins subentire to denticulate, apex obtuse to acute or acuminate, surfaces sparsely villous. |
Flowers | herkogamous, (1 or)2–7(–14), from distal nodes. |
plesiogamous, 1–12, from proximal to distal nodes. |
Styles | minutely, prominently hirsutulous to villosulous. |
glabrous. |
Corollas | yellow to chrome yellow, throat floor and tube usually red-spotted, bilaterally symmetric, bilabiate; tube-throat broadly funnelform, 18–26 mm, exserted (8–)10–15 mm beyond calyx margin; limb expanded 22–30 mm. |
pale pink to rose pink or purple to magenta, throat sometimes yellow, lobes sometimes yellowish with pale rose spots, bilaterally symmetric, weakly bilabiate; tube-throat cylindric, 5–9 mm, exserted beyond calyx margin; limb expanded 5–6 mm. |
Fruiting pedicels | 18–35(–40) mm, distals densely, minutely hirtellous, hairs often slightly deflexed. |
5–15 mm, glabrous. |
Fruiting calyces | green, sometimes red-spotted, ovoid, inflated, sagittally compressed, 15–19 mm, distals densely, minutely hirtellous, throat closing, lobe margins (sinuses) villous. |
campanulate, 6–9 mm, margins subtruncate, glabrous, lobes reduced, subequal. |
Capsules | included, 8–10 mm. |
included, 4–9 mm. |
Anthers | included, glabrous. |
included, minutely villous-hirsute. |
Erythranthe decora |
Erythranthe inconspicua |
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Phenology | Flowering May–Aug. | Flowering Apr–Jun(–Jul). |
Habitat | River banks, streamsides, dripping banks, moist meadows. | Steep, north- or northwest-facing slopes, canyon walls, moist talus, granitic sand on outcrops, moist gravelly open spots, sandy lakeshores, hillside streams or seeps, riparian woodlands, grassy slopes, gray pine, yellow pine, yellow pine-Kellogg oak, chaparral, Pseudotsuga-Pinus-Cornus, canyon live oak woodlands. |
Elevation | 1000–1600 m. (3300–5200 ft.) | 200–2100 m. (700–6900 ft.) |
Distribution |
ID; OR; WA; BC
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CA
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Discussion | Erythranthe decora is distinct in its uniformly ovate to ovate-lanceolate leaf blades with truncate bases and regularly toothed margins, relatively long internodes, rhizomatous habit, mostly unbranched stems, often with leafy runners from basal nodes, large corollas, hairy styles, and minutely hirtellous stems, pedicels, calyces, and leaf surfaces. The densely produced rhizomes suggest a relationship with the E. tilingii group. A population in Clearwater County, Idaho, appears to be long-disjunct from the main range of the species in northwestern Oregon and the western half of Washington. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Erythranthe inconspicua occurs in Sierran counties from Kern north to El Dorado and then is apparently disjunct further northward to Butte County. A record from Los Angeles County (Bigelow s.n., 14 May 1854, the type of the species) is probably mislabeled, as other collections by Bigelow on the same day are from Calaveras County. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 17, p. 414. | FNA vol. 17, p. 382. |
Parent taxa | Phrymaceae > Erythranthe | Phrymaceae > Erythranthe |
Sibling taxa | ||
Synonyms | Mimulus guttatus var. decorus, M. decorus | Mimulus inconspicuus |
Name authority | (A. L. Grant) G. L. Nesom: Phytoneuron 2012-39: 43. (2012) | (A. Gray) G. L. Nesom: Phytoneuron 2012-39: 34. (2012) |
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