Erythranthe breviflora |
Erythranthe diffusa |
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short-flower monkey-flower |
Palomar monkeyflower |
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Habit | Annuals, shallowly fibrous-rooted. | Annuals, taprooted. |
Stems | ascending, geniculate at nodes, branched at proximal and medial nodes, 4–15 cm, minutely stipitate-glandular, hairs 0.1–0.3 mm, gland-tipped, sometimes minutely hirtellous, hairs sharp-pointed, eglandular. |
erect, simple or branched from basal nodes, 4–20 cm, minutely puberulent. |
Leaves | usually cauline, basal usually deciduous by flowering; petiole 1–3 mm; blade palmately 3-veined, narrowly ovate or narrowly lanceolate to elliptic or elliptic-lanceolate, largest 5–15 × 2–6 mm, relatively even-sized, or slightly reduced distally, base attenuate, margins entire, mucronulate, or denticulate, apex acute to obtuse, surfaces minutely stipitate-glandular, hairs 0.1–0.3 mm, gland-tipped, sometimes minutely hirtellous, hairs sharp-pointed, eglandular. |
cauline, basal not persistent; petiole 0 mm; blade 1-veined or palmately 3-veined (in broader ones), lanceolate to ovate, 3–20 × 1–6 mm, base attenuate, margins entire, sometimes toothed, apex acute, surfaces minutely puberulent. |
Flowers | plesiogamous, 10–20, from medial to distal nodes. |
herkogamous, 1–36, from distal or medial to distal nodes. |
Styles | glabrous. |
distally pubescent. |
Corollas | yellow, red-spotted or striped, bilaterally symmetric, weakly bilabiate; tube-throat cylindric to narrowly funnelform, 3.5–5 mm, not exserted beyond calyx margin; limb barely widened, lobes broadly obovate, apex rounded. |
pink to purple, abaxial limb with 2 yellow palate ridges, bilaterally symmetric, weakly bilabiate; tube-throat funnelform, (3–)6–10 mm, exserted beyond calyx margin; limb expanded 3–14 mm, lobes notched, adaxial limb glabrous, sometimes sparsely bearded. |
Fruiting pedicels | straight, 5–11 mm, minutely stipitate-glandular, hairs 0.1–0.3 mm, gland-tipped, sometimes minutely hirtellous, hairs sharp-pointed, eglandular. |
ascending to spreading horizontally, (2–)12–60(–68) mm. |
Fruiting calyces | winged, plicate-angled, campanulate becoming ovoid-ellipsoid to campanulate, distinctly inflated, 5–6 mm, margins distinctly toothed or lobed, sparsely, minutely hirtellous, eglandular, sometimes sparsely sessile-glandular, lobes pronounced, erect. |
sometimes red-dotted, campanulate, 3–6 mm, margins distinctly toothed or lobed, minutely puberulent, ribs weak, lobes pronounced, erect, margins glabrous. |
Capsules | included, 4–6 mm. |
included, 5–8 mm. |
Anthers | included, glabrous. |
included, glabrous. |
Stigmas | distinctly shorter than corolla tube. |
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Erythranthe breviflora |
Erythranthe diffusa |
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Phenology | Flowering May–Jul. | Flowering Apr–Jun. |
Habitat | Stream and lake sides, gravel bars, springs, moist slopes, damp swales between dunes, along trails. | Moist areas in openings of chaparral, dry meadows in pine and oak woodlands. |
Elevation | 700–2300 m. (2300–7500 ft.) | 300–1800 m. (1000–5900 ft.) |
Distribution |
CA; ID; MT; NV; OR; WA; BC
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CA; Mexico (Baja California)
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Discussion | Erythranthe diffusa has been included previously in E. palmeri but can be distinguished morphologically by glabrous margins on the calyx and pubescence on the distal end of the style. It occurs in Orange, Riverside, and San Diego counties as well as close to the California border in Baja California. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Source | FNA vol. 17, p. 399. | FNA vol. 17, p. 387. |
Parent taxa | Phrymaceae > Erythranthe | Phrymaceae > Erythranthe |
Sibling taxa | ||
Synonyms | Mimulus breviflorus | Mimulus diffusus, M. grantianus |
Name authority | (Piper) G. L. Nesom: Phytoneuron 2012-39: 38. (2012) | (A. L. Grant) N. S. Fraga: Phytoneuron 2012-39: 35. (2012) |
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