Erythranthe latidens |
Erythranthe filicifolia |
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broad-tooth monkeyflower |
fern-leaf monkeyflower |
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Habit | Annuals, fibrous-rooted or filiform-taprooted. | Annuals, fibrous-rooted. |
Stems | ascending to ascending-erect, geniculate at nodes, usually many-branched from base, 3–10(–25) cm, short stipitate-glandular or sessile-glandular, hairs 0.1–0.3 mm, gland-tipped. |
erect or slightly ascending from base, sometimes purplish, simple or few-branched from proximal nodes, 3–38 cm, glabrous. |
Leaves | basal and cauline, largest at base or near mid stem, sometimes unreduced in size up to distalmost nodes; petiole 0 mm; cauline blade palmately 3(–5)-veined, ovate to ovate-lanceolate, 8–26(–35) mm, base abruptly cuneate to rounded, sometimes subauriculate, margins entire or barely mucronulate to shallowly dentate-mucronulate, teeth or mucronulae 1–3 per side, apex acute to rounded, surfaces short stipitate-glandular or sessile-glandular, hairs 0.1–0.3 mm, gland-tipped. |
basal and cauline; petiole (proximal and proximal to mid cauline), distal bracteate or absent, ovate, margins entire; blade: divisions 1-veined, oblong-lanceolate to ovate in outline, 3–68 mm, slightly thickened, base (at proximalmost division) truncate, margins (of divisions) entire, bipinnately dissected, ca. 5–12(–15) primary divisions on each side, ultimate division nearly linear, apex obtuse to acute, surfaces glabrous. |
Flowers | plesiogamous, (1–)3–12, from medial to distal nodes. |
plesiogamous, 4–10(–12), on foreshortened distal nodes, usually clustered, chasmogamous, sometimes cleistogamous. |
Styles | glabrous. |
glabrous. |
Corollas | white to pinkish or flesh colored, rarely yellowish, throat and abaxial lobes red-spotted, nearly radially symmetric; tube-throat cylindric, 5–6(–8) mm, exserted beyond calyx margin; limb barely widened, lobes broadly obovate, apex rounded. |
yellow, proximal lip sometimes red-splotched, palate ridges yellow, bilaterally symmetric, bilabiate; tube-throat cylindric-funnelform, 4–8 mm, exserted 0–2 mm beyond calyx margin or not; palate ridges densely villous. |
Fruiting pedicels | straight, 11–28 mm, short stipitate-glandular or sessile-glandular, hairs 0.1–0.3 mm, gland-tipped. |
6–14 mm, glabrous. |
Fruiting calyces | purplish, prominently 5-angled, tubular-campanulate or ovoid-ellipsoid, strongly inflated, 8–12 mm, margins distinctly toothed or lobed, short stipitate-glandular or sessile-glandular, hairs 0.1–0.3 mm, gland-tipped, lobes pronounced, erect. |
urceolate to urceolate-campanulate, inflated, sagittally compressed, 8–11 mm, glabrous, throat closing. |
Capsules | included, 6–7 mm. |
included, 3–8 mm. |
Anthers | included, glabrous. |
included, glabrous. |
Erythranthe latidens |
Erythranthe filicifolia |
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Phenology | Flowering Apr–Jun. | Flowering Apr–Jun(–Sep). |
Habitat | Drained flats or slopes subject to vernal inundation, depressions in open fields, bare clay soils, vacant lots, roadsides. | Slow-draining, ephemeral seeps on exfoliating granite slabs, over basalt. |
Elevation | 10–800 m. (0–2600 ft.) | 300–1600 m. (1000–5200 ft.) |
Distribution |
CA; OR; Mexico (Baja California)
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CA |
Discussion | The distinction between Erythranthe latidens and E. inflatula sometimes seems arbitrary, perhaps because of gene exchange where they are sympatric in northwestern California. Erythranthe latidens in Oregon is known only from southern Harney County. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Erythranthe filicifolia is known only from localities in Butte and Plumas counties. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 17, p. 400. | FNA vol. 17, p. 418. |
Parent taxa | Phrymaceae > Erythranthe | Phrymaceae > Erythranthe |
Sibling taxa | ||
Synonyms | Mimulus inconspicuus var. latidens, M. latidens | Mimulus filicifolius |
Name authority | (A. Gray) G. L. Nesom: Phytoneuron 2012-39: 38. (2012) | (Sexton: K. G. Ferris & Schoenig) G. L. Nesom, Phytoneuron 2013-80: 1. (2013) |
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