Erythranthe purpurea |
Erythranthe marmorata |
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little purple monkeyflower, purple monkeyflower |
Stanislaus monkeyflower, Whipple's monkeyflower |
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Habit | Annuals, taprooted. | Annuals, taprooted. |
Stems | erect, simple or branched from basal nodes, 3–10 cm, minutely puberulent. |
erect, simple or branched from base, 7–28 cm, usually moderately to densely villous-glandular, without eglandular hairs. |
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. |
usually cauline or basal persistent; petiole: proximals to medials 7–15 mm, distals 0 mm; blade palmately (3–)5-veined, ovate or broadly ovate to elliptic-ovate or depressed-ovate, (10–)15–30 × 6–15 mm, base truncate to shallowly cuneate, margins shallowly to coarsely dentate, apex acute, surfaces usually moderately to densely villous-glandular, without eglandular hairs. |
Flowers | herkogamous, 1–22, from distal or medial to distal nodes. |
herkogamous, (1–)2–6, axillary from middle to distal nodes, chasmogamous. |
Styles | glabrous. |
glabrous or sparsely hirtellous. |
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. |
yellow, throat red-spotted, abaxial limb base with a large red splotch, bilaterally symmetric, bilabiate; tube-throat narrowly cylindric-funnelform, 10–12 mm, exserted 4–5 mm beyond calyx margin; limb abruptly expanded 14–20 mm. |
Fruiting pedicels | ascending to often spreading horizontally, 13–57(–70) mm. |
15–45 mm, usually moderately to densely villous-glandular, without eglandular hairs. |
Fruiting calyces | becoming reddish, campanulate, 3–8 mm, margins distinctly toothed or lobed, minutely puberulent, ribs thickened, lobes pronounced, erect, margins glabrous. |
sharply nodding, usually densely purple-spotted, broadly campanulate, inflated, sagittally compressed, 9–12 mm, densely hirtellous, sometimes sparsely stipitate-glandular, densely villous at sinuses, throat closing, adaxial lobe ca. 2 times length of others. |
Capsules | included, 3–8 mm. |
included, 6–9 mm. |
Anthers | included, glabrous. |
included, glabrous. |
Erythranthe purpurea |
Erythranthe marmorata |
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Phenology | Flowering May–Jun. | Flowering Mar–May. |
Habitat | Moist openings along streams, swales, and depressions, pine duff in yellow pine forests, margins of dry meadows. | Habitat unknown, not over serpentine. |
Elevation | 1900–2800 m. (6200–9200 ft.) | 100–900 m. (300–3000 ft.) |
Distribution |
CA; Mexico (Baja California)
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CA |
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 marmorata is recognized by its erect, taprooted habit and annual duration, villous-glandular vestiture, ovate-petiolate leaves, flowers from middle to distal nodes, long, narrow corolla tube-throat abruptly flaring into a broad limb, abaxial middle corolla lobe with a large red splotch, and fruiting calyces dark-spotted and sharply nodding. The species is known from foothills in Calaveras, Stanislaus, and Tuolumne counties in the Stanislaus River drainage and from Amador County in the Mokelumne River drainage. A collection from Fresno County appears to be somewhat disjunct from the main range, and the plants are more densely villous than characteristic elsewhere, but their identification as E. marmorata otherwise seems secure. Erythranthe marmorata (previously identified as Mimulus whipplei) had been considered extremely rare or even perhaps extinct. See G. L. Nesom (2013d) for citations of recent collections. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 17, p. 388. | FNA vol. 17, p. 416. |
Parent taxa | Phrymaceae > Erythranthe | Phrymaceae > Erythranthe |
Sibling taxa | ||
Synonyms | Mimulus purpureus, M. purpureus var. pauxillus | Mimulus marmoratus, M. whipplei |
Name authority | (A. L. Grant) N. S. Fraga: Phytoneuron 2012-39: 35. (2012) | (Greene) G. L. Nesom: Phytoneuron 2012-39: 44. (2012) |
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