Diplacus layneae |
Diplacus compactus |
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Layne's monkeyflower |
compact monkeyflower, sticky monkeyflower, viscid monkeyflower |
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Habit | Herbs, annual, herbage usually drying dark. | Herbs, annual. |
Stems | erect, 30–160(–300) mm, nodes 3–6, glandular-puberulent to glandular-pubescent, hairs 0.2–0.8 mm. |
erect, 20–280 mm, densely glandular-pubescent and viscid. |
Leaves | usually cauline, relatively even-sized; petiole weakly delimited; blade elliptic to narrowly elliptic, oblanceolate, elliptic-oblanceolate, or elliptic-lanceolate, 8–27(–35) × 2–8 mm, margins entire, rarely toothed, plane, apex rounded to obtuse, surfaces: proximals often glabrate, distals glandular-puberulent or glandular-pubescent. |
usually cauline, gradually reduced distally; petiole absent; blade obovate to narrowly elliptic, 4–40 × 0.7–20 mm, margins entire or serrate, plane, apex obtuse to rounded, surfaces: proximals glabrous abaxially, distals glandular-pubescent. |
Pedicels | 2–4(–5) mm in fruit. |
1–4(–5) mm in fruit. |
Flowers | 2 per node, or 1 or 2 per node on 1 plant, chasmogamous. |
1 per node, chasmogamous. |
Styles | glandular-puberulent. |
glabrous or sparsely eglandular-puberulent. |
Corollas | pinkish or pale to dark magenta or red-purple, each lobe usually with a faint to dark medial line extending 1/2 or less to tip, throat floor yellowish near base, mostly white with red-purple dots near mouth, palate ridges white, tube-throat 10–15 mm, limb (8–)10–16 mm diam., not bilabiate. |
lavender to magenta or red with diffuse dark markings on sides of darker tube-throat, lobes dark at base, without radiating dark lines, floor and palate ridges white or yellow fading distally to white, palate ridges and throat ceiling villous-pilose, tube-throat 10–20 mm, limb 8–20 mm diam., not bilabiate. |
Calyces | symmetrically attached to pedicels, not inflated in fruit, (5–)6–8(–9) mm, glandular-puberulent to glandular-pubescent, tube strongly plicate, lobes triangular, subequal, apex acute, ribs broad, darkened, blackish, thickened, strongly raised, intercostal areas whitish, membranous. |
symmetrically attached to pedicels, inflated in fruit, 6–10(–12) mm, villous, hairs eglandular, lobes unequal, apex acute to attenuate, ribs and intercostal areas often reddish. |
Capsules | 6–10(–13) mm. |
6–9 mm. |
Anthers | included, ciliate. |
included, ciliate. |
Stigmas | included, lobes unequal, abaxial 1.5 times adaxial. |
included, lobes unequal, abaxial 3–4 times adaxial. |
2n | = 16. |
= 16. |
Diplacus layneae |
Diplacus compactus |
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Phenology | Flowering May–Aug. | Flowering May–Jul. |
Habitat | Road banks, serpentine, granitic sand, red clay, lava beds and volcanic soils, openings in chaparral, shallow dry streambeds or stream banks, burned or otherwise disturbed open areas. | Hillsides, washes, recently burned areas, soil and scree banks, granitic sand, chaparral openings, gray pine-blue oak woodlands. |
Elevation | (100–)400–2400 m. ((300–)1300–7900 ft.) | 300–1000 m. (1000–3300 ft.) |
Distribution |
CA
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CA
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Discussion | D. M. Thompson (2005) observed that two forms of Diplacus layneae co-occur from the Yosemite National Park area southward; one of these is recognized here as D. graniticola. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Source | FNA vol. 17, p. 437. | FNA vol. 17, p. 433. |
Parent taxa | Phrymaceae > Diplacus | Phrymaceae > Diplacus |
Sibling taxa | ||
Synonyms | Eunanus layneae, Mimulus brachiatus, M. layneae | Mimulus viscidus var. compactus |
Name authority | (Greene) G. L. Nesom: Phytoneuron 2012-39: 29. (2012) | (D. M. Thompson) G. L. Nesom: Phytoneuron 2012-47: 1. (2012) |
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