Diplacus rattanii |
Diplacus viscidus |
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Rattan's monkeyflower |
sticky monkeyflower, viscid monkeyflower |
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Habit | Herbs, annual. | Herbs, annual. |
Stems | erect, 10–180(–230) mm, densely glandular-pubescent and viscid. |
erect, (30–)60–370 mm, densely glandular-pubescent with viscid hairs. |
Leaves | 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. |
usually cauline, relatively even-sized or largest proximally and gradually reduced distally; petiole absent; blade obovate to narrowly elliptic, (4–)8–54(–70) × (2–)3–23 mm, margins entire or serrate, plane, apex obtuse to rounded, surfaces: proximals glabrous abaxially, distals glandular-pubescent. |
Pedicels | 1–3(–6) mm in fruit. |
1–4(–5) mm in fruit. |
Flowers | 1 per node, chasmogamous. |
1 per node, chasmogamous. |
Styles | eglandular-puberulent. |
glandular-puberulent. |
Corollas | 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. |
lavender to magenta with diffuse dark markings on sides of darker tube-throat and with dark red-purple midveins on lobes extending from throat, lobes not dark at base, floor white or yellow, fading to white at mouth, palate ridges white or yellow fading to white distally, throat ceiling glabrous, tube-throat 10–20 mm, limb 8–20 mm diam., not bilabiate. |
Calyces | 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. |
symmetrically attached to pedicels, inflated in fruit, (7–)8–15 mm, villous, hairs eglandular, lobes subequal, apex acute to attenuate, ribs and intercostal areas often reddish. |
Capsules | 7–11(–12) mm. |
7–11 mm. |
Anthers | nearly exserted, glabrous. |
included, ciliate. |
Stigmas | nearly exserted, lobes unequal, abaxial 5–7 times adaxial. |
included, lobes unequal, abaxial 1.5 times adaxial. |
2n | = 16. |
= 16. |
Diplacus rattanii |
Diplacus viscidus |
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Phenology | Flowering Apr–Jul. | Flowering Apr–Jul. |
Habitat | 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. | Chaparral clearings and openings. |
Elevation | 300–1300 m. (1000–4300 ft.) | 90–1300 m. (300–4300 ft.) |
Distribution |
CA
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CA
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Discussion | 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.) |
D. M. Thompson (2005) noted that Diplacus viscidus and D. compactus (as Mimulus viscidus var. compactus) are parapatric and may intergrade in central Mariposa County. The two taxa are distinguished by the presence or absence of dark stripes on the corolla lobe midveins, which are evident even on herbarium specimens. Thompson found that the two remained distinct when grown together in the greenhouse. Diplacus viscidus is known from Amador, Calaveras, Eldorado, Mariposa, Merced, and Tuolumne counties; D. compactus continues south through Fresno, northern Kern, Madera, Mariposa, and Tulare counties. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 17, p. 432. | FNA vol. 17, p. 432. |
Parent taxa | Phrymaceae > Diplacus | Phrymaceae > Diplacus |
Sibling taxa | ||
Synonyms | Mimulus rattanii, M. rattanii subsp. decurtatus | Mimulus viscidus, M. fremontii var. viscidus, M. subsecundus var. viscidus |
Name authority | (A. Gray) G. L. Nesom: Phytoneuron 2012-39: 29. (2012) | (Congdon) G. L. Nesom: Phytoneuron 2012-39: 29. (2012) |
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