Erythranthe lewisii |
Erythranthe decora |
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great purple monkey-flower, great purple or Lewis' monkeyflower, Lewis' monkey flower, pink monkey-flower, purple monkey-flower |
mannered monkeyflower, northwestern monkey -flower, sharp-leaf monkey-flower, showy monkey-flower |
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Habit | Perennials, rhizomatous. | Perennials, rhizomatous, sometimes producing numerous, long, remotely leafy runners from basal cauline nodes. |
Stems | erect, usually simple, (15–)25–60(–75) cm, stipitate-glandular to glandular-villous. |
erect, simple, 20–100 cm, distals densely, minutely hirtellous. |
Leaves | cauline; petiole 0 mm; blade palmately veined, elliptic to ovate, ovate-lanceolate, or broadly oblanceolate, (10–)25–75(–90) × 5–35 mm, base rounded to cuneate, subclasping, margins denticulate, subentire, or entire, apex acute, surfaces stipitate-glandular to glandular-villous. |
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. |
Flowers | herkogamous, 2–6(–10), axillary at leafy medial to distal nodes. |
herkogamous, (1 or)2–7(–14), from distal nodes. |
Styles | glabrous. |
minutely, prominently hirsutulous to villosulous. |
Corollas | purple, rarely crimson, pale violet, white, pinkish white, yellowish white, or lavender, sometimes lined with red dots, bilaterally symmetric, strongly bilabiate; tube-throat funnelform, 22–28 mm, exserted beyond calyx margins; lobe apex usually truncate to shallowly convex, shallowly retuse, throat open. |
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. |
Fruiting pedicels | (25–)35–70 mm, stipitate-glandular to glandular-villous. |
18–35(–40) mm, distals densely, minutely hirtellous, hairs often slightly deflexed. |
Fruiting calyces | broadly cylindric-campanulate, not inflated, 15–22 mm, stipitate-glandular to glandular-villous, tube 12–15(–17) × 9–12 mm. |
green, sometimes red-spotted, ovoid, inflated, sagittally compressed, 15–19 mm, distals densely, minutely hirtellous, throat closing, lobe margins (sinuses) villous. |
Capsules | included, 6–11 mm. |
included, 8–10 mm. |
Anthers | included, white-villous, thecae spreading. |
included, glabrous. |
2n | = 16. |
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Erythranthe lewisii |
Erythranthe decora |
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Phenology | Flowering Jun–Sep. | Flowering May–Aug. |
Habitat | Stream banks, springs, wet meadows, subalpine slopes, talus, crevices, ditches. | River banks, streamsides, dripping banks, moist meadows. |
Elevation | 600–2900(–3200) m. (2000–9500(–10500) ft.) | 1000–1600 m. (3300–5200 ft.) |
Distribution |
AK; CA; CO; ID; MT; NV; OR; UT; WA; WY; AB; BC
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ID; OR; WA; BC
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Discussion | Erythranthe lewisii in California occurs in Modoc, Siskiyou, and Trinity counties. California records from Shasta County and south previously identified as E. lewisii are identified here as E. erubescens. The record for E. lewisii in Alaska is documented by this collection: Hyder [noted on handwritten label as "New to Alaska, Standley"], damp land, 27 June 1924, K. Whited 1291 (MO). Apparent exceptions to the characteristic flower color are these: white to lavender in Nevada (Clark County, Charleston Mountains, Train 2068, MO); pinkish white in Washington (Skamania and Yakima counties, Mt. Paddo, Suksdorf 5779, MO); white or tinged with yellow, in Wyoming (Teton County, as described by Nelson in the protologue of Mimulus lewisii var. tetonensis). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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.) |
Source | FNA vol. 17, p. 392. | FNA vol. 17, p. 414. |
Parent taxa | Phrymaceae > Erythranthe | Phrymaceae > Erythranthe |
Sibling taxa | ||
Synonyms | Mimulus lewisii, M. lewisii var. tetonensis | Mimulus guttatus var. decorus, M. decorus |
Name authority | (Pursh) G. L. Nesom & N. S. Fraga: Phytoneuron 2012-39: 36. (2012) | (A. L. Grant) G. L. Nesom: Phytoneuron 2012-39: 43. (2012) |
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