Erythranthe purpurea |
Erythranthe linearifolia |
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little purple monkeyflower, purple monkeyflower |
primrose monkeyflower, threadleaf primrose monkeyflower |
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Habit | Annuals, taprooted. | Perennials, rhizomatous, densely cespitose, forming large patches and turfs 0.3–1 m diam. |
Stems | erect, simple or branched from basal nodes, 3–10 cm, minutely puberulent. |
erect to ascending, simple, 2–10 cm, sparsely hirsute and stipitate-glandular, internodes shortened. |
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. |
basal or near basal, sometimes proximal cauline, subrosulate; petiole 0 mm; blade 1-veined or palmately 3-veined, linear to narrowly oblanceolate, 15–50 × 1.5–5 mm, base long-cuneate, often subclasping, margins entire, dentate-serrate, or distally dentate, apex acute, surfaces glabrous or adaxial sparsely short-pilose, eglandular. |
Flowers | herkogamous, 1–22, from distal or medial to distal nodes. |
herkogamous, 1. |
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. |
yellow, red-spotted or -striped, bilaterally symmetric, weakly bilabiate, loosely hirsute on abaxial side of opening; tube-throat narrowly campanulate, 18–22 mm, exserted beyond calyx margin; lobes broadly obovate-oblong, apex rounded- or truncate-notched, throat open. |
Fruiting pedicels | ascending to often spreading horizontally, 13–57(–70) mm. |
(40–)65–85(–120) mm, glabrous or sparsely stipitate-glandular near base. |
Fruiting calyces | becoming reddish, campanulate, 3–8 mm, margins distinctly toothed or lobed, minutely puberulent, ribs thickened, lobes pronounced, erect, margins glabrous. |
winged- or plicate-angled, tubular-campanulate, weakly or not inflated, 9–10(–12) mm, glabrous. |
Capsules | included, 3–8 mm. |
included, 6–7 mm. |
Anthers | included, glabrous. |
included or slightly exserted, margins ciliate, glabrous. |
Erythranthe purpurea |
Erythranthe linearifolia |
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Phenology | Flowering May–Jun. | Flowering Jul–Sep. |
Habitat | Moist openings along streams, swales, and depressions, pine duff in yellow pine forests, margins of dry meadows. | Wet banks, Darlingtonia seeps and bogs, seepages in serpentine talus. |
Elevation | 1900–2800 m. (6200–9200 ft.) | 600–2800 m. (2000–9200 ft.) |
Distribution |
CA; Mexico (Baja California)
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CA
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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 linearifolia is endemic to serpentine substrates in Shasta, Siskiyou, and Trinity counties; typical E. primuloides occurs in the same area but not on serpentine. Erythranthe linearifolia is distinct from E. primuloides especially in its narrow leaves and cespitose habit. A collection from Tulare County appears to be E. linearifolia (Shevock 10597, CAS), but this appears to be far out of range and the voucher should be reexamined; it probably is better identified as an unusual collection of E. primuloides. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 17, p. 388. | FNA vol. 17, p. 390. |
Parent taxa | Phrymaceae > Erythranthe | Phrymaceae > Erythranthe |
Sibling taxa | ||
Synonyms | Mimulus purpureus, M. purpureus var. pauxillus | Mimulus primuloides var. linearifolius, M. linearifolius, M. primuloides subsp. linearifolius |
Name authority | (A. L. Grant) N. S. Fraga: Phytoneuron 2012-39: 35. (2012) | (A. L. Grant) G. L. Nesom & N. S. Fraga: Phytoneuron 2012-39: 35. (2012) |
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