Erythranthe linearifolia |
Erythranthe pulsiferae |
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primrose monkeyflower, threadleaf primrose monkeyflower |
candelabrum monkey-flower, Pulsifer's monkey-flower |
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Habit | Perennials, rhizomatous, densely cespitose, forming large patches and turfs 0.3–1 m diam. | Annuals, shallowly fibrous-rooted. |
Stems | erect to ascending, simple, 2–10 cm, sparsely hirsute and stipitate-glandular, internodes shortened. |
erect, straight at nodes, simple or few-branched at base, 5–12(–18) cm, minutely stipitate-glandular, hairs 0.1–0.3 mm, gland-tipped. |
Leaves | 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. |
basal and cauline; petiole 2–9 mm, distinctly 3-veined, 2-winged; blade palmately 3-veined, elliptic-oblong to ovate or oblanceolate, 3–14(–23) × 2–9(–15) mm, base cuneate to attenuate, margins denticulate to entire, apex acute to obtuse, surfaces minutely stipitate-glandular, hairs 0.1–0.3 mm, gland-tipped. |
Flowers | herkogamous, 1. |
herkogamous, 1–9, from medial to distal nodes. |
Styles | glabrous. |
glabrous. |
Corollas | 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. |
yellowish, tube-throat, palate ridges, and limb yellow to pale yellow, abaxial limb red-dotted or not, bilaterally symmetric, weakly bilabiate; tube-throat funnelform, 6–9 mm, exserted beyond calyx margin; lobes broadly obovate-suborbicular, apex rounded. |
Fruiting pedicels | (40–)65–85(–120) mm, glabrous or sparsely stipitate-glandular near base. |
divergent-arcuate, 12–38 mm, minutely stipitate-glandular, hairs 0.1–0.3 mm, gland-tipped. |
Fruiting calyces | winged- or plicate-angled, tubular-campanulate, weakly or not inflated, 9–10(–12) mm, glabrous. |
cylindric, ± inflated, 7–10 mm, margins distinctly toothed or lobed, minutely stipitate-glandular, hairs 0.1–0.3 mm, gland-tipped, lobes pronounced, erect. |
Capsules | included, 6–7 mm. |
included, 5–8 mm. |
Anthers | included or slightly exserted, margins ciliate, glabrous. |
included, glabrous. |
2n | = 32. |
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Erythranthe linearifolia |
Erythranthe pulsiferae |
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Phenology | Flowering Jul–Sep. | Flowering Apr–Jul. |
Habitat | Wet banks, Darlingtonia seeps and bogs, seepages in serpentine talus. | Damp depressions, moist gravel, rocky flats, granite outcrops, wet meadows, lava beds, vernal pools, forest openings, commonly in or near coniferous forests, chaparral-live oak woodlands. |
Elevation | 600–2800 m. (2000–9200 ft.) | 50–1300(–2500) m. (200–4300(–8200) ft.) |
Distribution |
CA
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CA; OR; WA
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Discussion | 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.) |
Erythranthe pulsiferae is characterized by minutely stipitate-glandular vestiture (lacking villous hairs), elongate internodes, persistent basal leaves, small, palmately veined, cauline leaves with short, three-veined petioles and elliptic-oblong to ovate or oblanceolate blades, divergent-arcuate pedicels, and small, all yellow, weakly bilabiate corollas. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 17, p. 390. | FNA vol. 17, p. 398. |
Parent taxa | Phrymaceae > Erythranthe | Phrymaceae > Erythranthe |
Sibling taxa | ||
Synonyms | Mimulus primuloides var. linearifolius, M. linearifolius, M. primuloides subsp. linearifolius | Mimulus pulsiferae |
Name authority | (A. L. Grant) G. L. Nesom & N. S. Fraga: Phytoneuron 2012-39: 35. (2012) | (A. Gray) G. L. Nesom: Phytoneuron 2012-39: 39. (2012) |
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