Erythranthe bicolor |
Erythranthe norrisii |
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yellow and white monkeyflower |
Kaweah monkeyflower, Norris' monkeyflower |
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Habit | Annuals, taprooted. | Annuals, fibrous-rooted or filiform-taprooted. |
Stems | erect, simple or branched from basal nodes, 4–30 cm, densely glandular-puberulent, hairs 0.05–0.1 mm, gland-tipped. |
ascending to erect-ascending, geniculate at nodes, usually branched from proximal nodes, 2–15(–25) cm, villous-glandular. |
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 5–10(–15) mm; blade palmately 3–5-veined, sometimes with 1–3 distal vein pairs diverging pinnately, elliptic to elliptic-obovate, 20–35 × 10–20 mm, base usually attenuate, margins subentire to distally denticulate, apex acute to obtuse, surfaces villous-glandular. |
Flowers | herkogamous, 2–8, from medial to distal nodes. |
herkogamous, 1–5, from medial 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. |
yellow, base of each lobe with a prominent maroon splotch, abaxial limb with white patch at 2 sinus bases, weakly bilaterally or radially symmetric, weakly bilabiate or regular; tube-throat cylindric-funnelform, 12–16 mm, exserted beyond calyx margin; limb expanded 15–30 mm, lobes oblong-obovate to orbicular-obovate, apex rounded-truncate. |
Fruiting pedicels | (5–)7–20(–30) mm, densely glandular-puberulent, hairs 0.05–0.1 mm, gland-tipped. |
20–35(–50) mm, villous-glandular. |
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. |
red-dotted, campanulate, weakly inflated, 4–6 mm, margins distinctly toothed or lobed, villous-glandular, ribs rounded-thickened, lobes pronounced, erect, often incurved, linear-oblong to oblong-lanceolate, apex rounded to blunt. |
Capsules | included, 4–6 mm. |
usually slightly exserted, 4–6 mm. |
Anthers | included, margins ciliate, glabrous. |
included, glabrous. |
2n | = 32. |
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Erythranthe bicolor |
Erythranthe norrisii |
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Phenology | Flowering Apr–Jun. | Flowering Mar–May. |
Habitat | Moist banks, serpentine and granite outcrops, seepage areas, volcanic mudflows, open red clay exposures. | Steep marble outcrops in soil pockets, moss covered marble and quartzite ledges, cracks, fractures, weathered faces, chamise chaparral or blue oak woodlands. |
Elevation | (100–)400–1700(–2500) m. ((300–)1300–5600(–8200) ft.) | 300–1300 m. (1000–4300 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 norrisii is known only from the Kaweah River drainage; most populations are in Sequoia National Park in Tulare County. The species is characterized by its short-petiolate leaves with attenuate bases, very large corollas with red splotches at the base of each lobe and two white patches on the abaxial limb, and very short, purple-dotted calyces with rounded-thickened ribs and linear-oblong lobes incurved in fruit. The capsules often are slightly exserted. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 17, p. 390. | FNA vol. 17, p. 405. |
Parent taxa | Phrymaceae > Erythranthe | Phrymaceae > Erythranthe |
Sibling taxa | ||
Synonyms | Mimulus bicolor | Mimulus norrisii |
Name authority | (Hartweg ex Bentham) G. L. Nesom & N. S. Fraga: Phytoneuron 2012-39: 36. (2012) | (Heckard & Shevock) G. L. Nesom: Phytoneuron 2012-39: 39. (2012) |
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