Erythranthe bicolor |
Erythranthe inconspicua |
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yellow and white monkeyflower |
small-flower monkeyflower |
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Habit | Annuals, taprooted. | Annuals, fibrous-rooted. |
Stems | erect, simple or branched from basal nodes, 4–30 cm, densely glandular-puberulent, hairs 0.05–0.1 mm, gland-tipped. |
erect to ascending, simple or branched from base, 4-angled, 3–16 cm, glabrous. |
Leaves | cauline, basal not persistent; petiole 0 mm or short-attenuate; blade 1-veined or palmately 3-veined (in broader ones), narrowly elliptic to linear-lanceolate or linear-oblanceolate, 10–30 × 2–6 mm at mid stem, base attenuate, margins entire or remotely shallowly dentate to mucronulate, teeth 1–4 per side, apex acute, surfaces densely glandular-puberulent, hairs 0.05–0.1 mm, gland-tipped. |
basal and cauline; petiole: proximals 1–5 mm, mid cauline and distals 0 mm; blade palmately 3-veined, broadly elliptic to ovate or broadly ovate, 6–20 × 6–12 mm, base rounded to cordate, margins subentire to denticulate, apex obtuse to acute or acuminate, surfaces sparsely villous. |
Flowers | herkogamous, 2–8, from medial to distal nodes. |
plesiogamous, 1–12, from proximal to distal nodes. |
Styles | minutely glandular. |
glabrous. |
Corollas | yellow, adaxial lip white, sometimes yellow, throat and abaxial limb red-spotted, bilaterally symmetric, weakly bilabiate; tube-throat funnelform, 8–12 mm, exserted beyond calyx margin; limb broadly expanded, lobes 2-fid, palate villous. |
pale pink to rose pink or purple to magenta, throat sometimes yellow, lobes sometimes yellowish with pale rose spots, bilaterally symmetric, weakly bilabiate; tube-throat cylindric, 5–9 mm, exserted beyond calyx margin; limb expanded 5–6 mm. |
Fruiting pedicels | (5–)7–20(–30) mm, densely glandular-puberulent, hairs 0.05–0.1 mm, gland-tipped. |
5–15 mm, glabrous. |
Fruiting calyces | red-dotted, strongly angled, cylindric-campanulate, (5–)7–12 mm, margins distinctly toothed or lobed, densely glandular-puberulent, hairs 0.05–0.1 mm, gland-tipped, ribs corky, lobes pronounced, spreading. |
campanulate, 6–9 mm, margins subtruncate, glabrous, lobes reduced, subequal. |
Capsules | included, 4–6 mm. |
included, 4–9 mm. |
Anthers | included, margins ciliate, glabrous. |
included, minutely villous-hirsute. |
Erythranthe bicolor |
Erythranthe inconspicua |
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Phenology | Flowering Apr–Jun. | Flowering Apr–Jun(–Jul). |
Habitat | Moist banks, serpentine and granite outcrops, seepage areas, volcanic mudflows, open red clay exposures. | Steep, north- or northwest-facing slopes, canyon walls, moist talus, granitic sand on outcrops, moist gravelly open spots, sandy lakeshores, hillside streams or seeps, riparian woodlands, grassy slopes, gray pine, yellow pine, yellow pine-Kellogg oak, chaparral, Pseudotsuga-Pinus-Cornus, canyon live oak woodlands. |
Elevation | (100–)400–1700(–2500) m. ((300–)1300–5600(–8200) ft.) | 200–2100 m. (700–6900 ft.) |
Distribution |
CA
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CA
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Discussion | Erythranthe bicolor ranges from Shasta and Trinity counties south to Tulare County; the identity of apparently disjunct populations in San Bernardino County needs to be reexamined. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Erythranthe inconspicua occurs in Sierran counties from Kern north to El Dorado and then is apparently disjunct further northward to Butte County. A record from Los Angeles County (Bigelow s.n., 14 May 1854, the type of the species) is probably mislabeled, as other collections by Bigelow on the same day are from Calaveras County. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 17, p. 390. | FNA vol. 17, p. 382. |
Parent taxa | Phrymaceae > Erythranthe | Phrymaceae > Erythranthe |
Sibling taxa | ||
Synonyms | Mimulus bicolor | Mimulus inconspicuus |
Name authority | (Hartweg ex Bentham) G. L. Nesom & N. S. Fraga: Phytoneuron 2012-39: 36. (2012) | (A. Gray) G. L. Nesom: Phytoneuron 2012-39: 34. (2012) |
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