Erythranthe patula |
Erythranthe lewisii |
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stalk-leaf monkey-flower |
great purple monkey-flower, great purple or Lewis' monkeyflower, Lewis' monkey flower, pink monkey-flower, purple monkey-flower |
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Habit | Annuals, fibrous-rooted or filiform-taprooted. | Perennials, rhizomatous. |
Stems | erect to ascending, straight or geniculate at nodes, usually simple, (3–)5–15(–24) cm, stipitate-glandular, hairs 0.2–0.5 mm, gland-tipped. |
erect, usually simple, (15–)25–60(–75) cm, stipitate-glandular to glandular-villous. |
Leaves | cauline, basal not persistent; petiole (5–)8–25 mm; blade palmately 3-veined, deltate or ovate to ovate-lanceolate, 4–12(–17) × 3–10(–14) mm, base rounded to cuneate-truncate, margins usually denticulate, apex acute to obtuse, surfaces stipitate-glandular, hairs 0.2–0.5 mm, gland-tipped. |
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. |
Flowers | herkogamous, 1–10, from proximal to distal nodes. |
herkogamous, 2–6(–10), axillary at leafy medial to distal nodes. |
Styles | glabrous. |
glabrous. |
Corollas | yellow, abaxial limb usually with a few red or brownish dots, radially or bilaterally symmetric, regular or weakly bilabiate; tube-throat funnelform, 7–8 mm, exserted beyond calyx margin; lobes oblong, apex rounded to truncate. |
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. |
Fruiting pedicels | 10–25(–38) mm, stipitate-glandular, hairs 0.2–0.5 mm, gland-tipped. |
(25–)35–70 mm, stipitate-glandular to glandular-villous. |
Fruiting calyces | tubular, weakly or not inflated, 5–6(–7) mm, margins distinctly toothed or lobed, sparsely stipitate-glandular to sparsely hirtellous, lobes pronounced, erect. |
broadly cylindric-campanulate, not inflated, 15–22 mm, stipitate-glandular to glandular-villous, tube 12–15(–17) × 9–12 mm. |
Capsules | included, 4–6 mm. |
included, 6–11 mm. |
Anthers | included, glabrous. |
included, white-villous, thecae spreading. |
2n | = 32. |
= 16. |
Erythranthe patula |
Erythranthe lewisii |
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Phenology | Flowering Apr–May(–Aug). | Flowering Jun–Sep. |
Habitat | Ephemeral seeps, springs, rocky stream banks, moist basalt, fine gravel on bedrock, muddy hillside seeps, crevices. | Stream banks, springs, wet meadows, subalpine slopes, talus, crevices, ditches. |
Elevation | 200–1900(–2900) m. (700–6200(–9500) ft.) | 600–2900(–3200) m. (2000–9500(–10500) ft.) |
Distribution |
ID; MT; OR; WA; WY; AB; BC
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AK; CA; CO; ID; MT; NV; OR; UT; WA; WY; AB; BC
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Discussion | Erythranthe patula is distinctive with its long-petiolate leaves with ovate blades and its small, weakly bilabiate to nearly radially symmetric corollas. Vestiture may include only minute, stipitate-glandular hairs or it may be an intergrading mix of stipitate-glandular hairs and minute (0.1–0.2 mm), sharp-pointed, eglandular hairs. Plants may have stipitate-glandular pedicels and calyces but hirtellous, eglandular stems, or they may have stipitate-glandular stems and pedicels but hirtellous calyces. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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.) |
Source | FNA vol. 17, p. 397. | FNA vol. 17, p. 392. |
Parent taxa | Phrymaceae > Erythranthe | Phrymaceae > Erythranthe |
Sibling taxa | ||
Synonyms | Mimulus patulus | Mimulus lewisii, M. lewisii var. tetonensis |
Name authority | (Pennell) G. L. Nesom: Phytoneuron 2012-39: 39. (2012) | (Pursh) G. L. Nesom & N. S. Fraga: Phytoneuron 2012-39: 36. (2012) |
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