Diplacus tricolor |
Diplacus rattanii |
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tricolor monkeyflower |
Rattan's monkeyflower |
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Habit | Herbs, annual, acaulescent or caulescent. | Herbs, annual. |
Stems | erect or ascending, 10–140(–170) mm, densely glandular-puberulent. |
erect, 10–180(–230) mm, densely glandular-pubescent and viscid. |
Leaves | basal densely clustered; petiole absent; blade narrowly elliptic to oblanceolate, (5–)8–45(–60) × (1–)3–12(–20) mm, margins entire, sometimes toothed, plane, not ciliate, apex obtuse, surfaces glandular-puberulent. |
basal and cauline, basal in rosette, cauline gradually reduced distally; petiole absent; blade obovate to narrowly elliptic, 3–46(–70) × 1–20(–25) mm, margins entire or crenate, plane, apex rounded or obtuse, surfaces: proximals glabrate, distals glandular-pubescent and viscid. |
Pedicels | 1–3(–5) mm in fruit. |
1–3(–6) mm in fruit. |
Flowers | 1 per node, chasmogamous. |
1 per node, chasmogamous. |
Styles | usually glandular-puberulent. |
eglandular-puberulent. |
Corollas | tricolored, limb and throat magenta to purple, each lobe with a discrete, dark maroon-purple blotch at base, all 3 blotches of abaxial lip round and not usually extending into throat, palate ridges yellow, flanked with white, sometimes purple-spotted, tube-throat (13–)15–50 mm, limb 7–21 mm diam., bilabiate, lobes equal. |
pink to magenta, throat floor with 3 dark purple lines meeting abaxial lip lobes, palate ridges yellow, tube-throat 7–10 mm, limb 4–7 mm diam., not bilabiate. |
Calyces | slightly asymmetrically attached to pedicel, not inflated in fruit, (6–)11–23 mm, densely glandular-puberulent, lobes subequal, apex obtuse, ribs often purplish proximally, intercostal areas whitish. |
symmetrically attached to pedicels, inflated in fruit, 5–10 mm, glandular-pubescent and viscid, lobes subequal, apex obtuse, often apiculate, ribs dark green to purplish, intercostal areas whitish. |
Capsules | (2–)3–8(–10) mm, indehiscent. |
7–11(–12) mm. |
Anthers | included, with apical tufts of short, eglandular hairs. |
nearly exserted, glabrous. |
Stigmas | nearly exserted, lobes subequal. |
nearly exserted, lobes unequal, abaxial 5–7 times adaxial. |
2n | = 18. |
= 16. |
Diplacus tricolor |
Diplacus rattanii |
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Phenology | Flowering Mar–Jul(–Aug). | Flowering Apr–Jul. |
Habitat | Vernally flooded depressions in grasslands, low spots and ditches in and around agricultural fields. | Recently burned or cleared areas, sandhills, sandstone outcrops, sandy gravel and loam, decomposed granite, serpentine-derived soils, open chaparral, chaparral margins, open yellow pine-manzanita woodlands. |
Elevation | 50–1500 m. (200–4900 ft.) | 300–1300 m. (1000–4300 ft.) |
Distribution |
CA; OR
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CA
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Discussion | Diplacus tricolor occurs in northwestern and south-central Oregon and from there across a disjunction to central California as far as Kern County. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Diplacus rattanii occurs mostly in near-coastal localities from Glenn and Lake counties south to Ventura County. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 17, p. 447. | FNA vol. 17, p. 432. |
Parent taxa | Phrymaceae > Diplacus | Phrymaceae > Diplacus |
Sibling taxa | ||
Synonyms | Mimulus tricolor | Mimulus rattanii, M. rattanii subsp. decurtatus |
Name authority | (Hartweg ex Lindley) G. L. Nesom: Phytoneuron 2012-39: 30. (2012) | (A. Gray) G. L. Nesom: Phytoneuron 2012-39: 29. (2012) |
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