Erythranthe purpurea |
Erythranthe ampliata |
|
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little purple monkeyflower, purple monkeyflower |
Nez Perce monkey-flower |
|
Habit | Annuals, taprooted. | Annuals, fibrous-rooted or filiform-taprooted. |
Stems | erect, simple or branched from basal nodes, 3–10 cm, minutely puberulent. |
erect to ascending, straight or geniculate at nodes, usually many-branched, 4-angled, 5–17 cm, sparsely sessile- to subsessile-glandular, hairs 0.05–0.2 mm, gland-tipped. |
Leaves | cauline, basal not persistent; petiole 0 mm; blade palmately 3–5-veined, elliptic to lanceolate, 4–15 × 1–5 mm, base truncate to truncate-cordate, clasping, margins entire, sometimes toothed, apex acute to obtuse, surfaces minutely puberulent. |
cauline, basal not persistent; petiole 8–20 mm; blade palmately veined, broadly ovate to lanceolate, 8–25 × 5–19 mm, base cuneate, margins dentate to coarsely denticulate, apex acute to obtuse, surfaces sparsely sessile- to subsessile-glandular, hairs 0.05–0.2 mm, gland-tipped. |
Flowers | herkogamous, 1–22, from distal or medial to distal nodes. |
herkogamous, 1–10, from proximal to distal nodes. |
Styles | glabrous. |
glabrous. |
Corollas | pink to purple, adaxial limb darker than abaxial, abaxial limb with yellow markings, bilaterally symmetric, strongly bilabiate; tube-throat cylindric to funnelform, 7–13 mm, exserted beyond calyx margin; limb expanded 7–10 mm, bilabiate, 3 abaxial lobes notched, 2 adaxial nearly entire, abaxial limb sparsely bearded. |
deep yellow, sometimes with small white patches, abaxial limb with a few brownish dots, bilaterally symmetric, strongly bilabiate; tube-throat broadly funnelform, 8–12(–14) mm, exserted beyond calyx margin; lobes obovate-oblong, apex rounded to truncate. |
Fruiting pedicels | ascending to often spreading horizontally, 13–57(–70) mm. |
10–22 mm, sparsely sessile- to subsessile-glandular, hairs 0.05–0.2 mm, gland-tipped. |
Fruiting calyces | becoming reddish, campanulate, 3–8 mm, margins distinctly toothed or lobed, minutely puberulent, ribs thickened, lobes pronounced, erect, margins glabrous. |
tubular-campanulate, not or weakly inflated, 6–8 mm, margins distinctly toothed or lobed, minutely, sparsely stipitate-glandular or glabrous, lobes pronounced, erect. |
Capsules | included, 3–8 mm. |
included, 5–6 mm. |
Anthers | included, glabrous. |
included, glabrous. |
Erythranthe purpurea |
Erythranthe ampliata |
|
Phenology | Flowering May–Jun. | Flowering Jun–Jul. |
Habitat | Moist openings along streams, swales, and depressions, pine duff in yellow pine forests, margins of dry meadows. | Basalt outcrops, seepy roadcuts, grassland seeps. |
Elevation | 1900–2800 m. (6200–9200 ft.) | 900–1700 m. (3000–5600 ft.) |
Distribution |
CA; Mexico (Baja California)
|
ID; MT |
Discussion | Erythranthe purpurea is restricted to the San Bernardino Mountains in San Bernardino County and is disjunct in the Sierra San Pedro Mártir in Baja California, Mexico. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Erythranthe ampliata is known from Clearwater, Lewis, and Nez Perce counties in Idaho and six western counties in Montana. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 17, p. 388. | FNA vol. 17, p. 398. |
Parent taxa | Phrymaceae > Erythranthe | Phrymaceae > Erythranthe |
Sibling taxa | ||
Synonyms | Mimulus purpureus, M. purpureus var. pauxillus | Mimulus ampliatus |
Name authority | (A. L. Grant) N. S. Fraga: Phytoneuron 2012-39: 35. (2012) | (A. L. Grant) G. L. Nesom: Phytoneuron 2012-39: 38. (2012) |
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