Diplacus tricolor |
Diplacus cusickioides |
|
---|---|---|
tricolor monkeyflower |
Cusick's monkeyflower, Nesom's monkey-flower |
|
Habit | Herbs, annual, acaulescent or caulescent. | Herbs, annual. |
Stems | erect or ascending, 10–140(–170) mm, densely glandular-puberulent. |
erect to erect-ascending, (10–)30–240(–350) mm, distal internodes 1–5 mm, densely glandular-villous. |
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 or usually cauline, relatively even-sized or gradually larger distally; petiole absent, proximal base short petiole-like, 1–5 mm; blade ovate to broadly elliptic-ovate, (10–)15–25(–35) × 4–16 mm, margins entire, plane, apex abruptly acuminate, surfaces densely glandular-villous. |
Pedicels | 1–3(–5) mm in fruit. |
1–1.5 mm in fruit. |
Flowers | 1 per node, chasmogamous. |
2 per node, or 1 or 2 per node on 1 plant, chasmogamous. |
Styles | usually glandular-puberulent. |
puberulent, at least on distal 1/2. |
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. |
magenta or rose purple, tube yellow, throat usually yellow, throat and distal tube red-spotted on floor, palate ridges yellow, tube-throat 13–16(–19) mm, limb 14–26 mm diam., 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, not inflated in fruit, 7–12 mm, glabrous or minutely stipitate-glandular, lobes unequal, apex linear-acuminate, sharp-pointed, ribs green distally, intercostal areas whitish. |
Capsules | (2–)3–8(–10) mm, indehiscent. |
10–17 mm. |
Anthers | included, with apical tufts of short, eglandular hairs. |
included, glabrous or sparsely hirsutulous. |
Stigmas | nearly exserted, lobes subequal. |
exserted, lobes subequal (herkogamous). |
2n | = 18. |
|
Diplacus tricolor |
Diplacus cusickioides |
|
Phenology | Flowering Mar–Jul(–Aug). | Flowering May–Aug. |
Habitat | Vernally flooded depressions in grasslands, low spots and ditches in and around agricultural fields. | Lava formations, steep slopes, roadsides, volcanic gravels, scree, ash. |
Elevation | 50–1500 m. (200–4900 ft.) | (400–)600–1500(–2000) m. ((1300–)2000–4900(–6600) ft.) |
Distribution |
CA; OR
|
CA; ID; OR; WA
|
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 cusickioides occurs in western Idaho, eastern Oregon, Klickitat County, Washington, and apparently in a disjunct population system in Modoc County, California, on the east side of the Warner Mountains. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 17, p. 447. | FNA vol. 17, p. 439. |
Parent taxa | Phrymaceae > Diplacus | Phrymaceae > Diplacus |
Sibling taxa | ||
Synonyms | Mimulus tricolor | |
Name authority | (Hartweg ex Lindley) G. L. Nesom: Phytoneuron 2012-39: 30. (2012) | G. L. Nesom: Phytoneuron 2013-65: 6, figs. 3, 4. (2013) |
Web links |
|
|