Erythranthe bicolor |
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yellow and white monkeyflower |
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Habit | Annuals, taprooted. |
Stems | erect, simple or branched from basal nodes, 4–30 cm, densely glandular-puberulent, hairs 0.05–0.1 mm, gland-tipped. |
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. |
Flowers | herkogamous, 2–8, from medial to distal nodes. |
Styles | minutely glandular. |
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. |
Fruiting pedicels | (5–)7–20(–30) mm, densely glandular-puberulent, hairs 0.05–0.1 mm, gland-tipped. |
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. |
Capsules | included, 4–6 mm. |
Anthers | included, margins ciliate, glabrous. |
Erythranthe bicolor |
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Phenology | Flowering Apr–Jun. |
Habitat | Moist banks, serpentine and granite outcrops, seepage areas, volcanic mudflows, open red clay exposures. |
Elevation | (100–)400–1700(–2500) m. ((300–)1300–5600(–8200) ft.) |
Distribution |
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.) |
Source | FNA vol. 17, p. 390. |
Parent taxa | Phrymaceae > Erythranthe |
Sibling taxa | |
Synonyms | Mimulus bicolor |
Name authority | (Hartweg ex Bentham) G. L. Nesom & N. S. Fraga: Phytoneuron 2012-39: 36. (2012) |
Web links |
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