Diplacus graniticola |
Diplacus ovatus |
|
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granite-crack monkeyflower |
Carson monkeyflower, eggleaf monkeyflower, steamboat monkeyflower |
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Habit | Herbs, annual, herbage usually drying dark. | Herbs, annual. |
Stems | erect, 60–120(–150) mm, nodes 4–15(–20), internodes shorter than leaves, glandular-villous with gland-tipped hairs 1–1.6 mm. |
erect to ascending, 20–140 mm, distal internodes 1–3 mm, glandular-pubescent and short glandular-villous. |
Leaves | usually cauline, relatively even-sized; petiole weakly delimited; blade usually lanceolate to ovate-lanceolate, 20–40 × 4–12 mm, margins entire, rarely toothed, plane, apex rounded to obtuse or acute, surfaces: proximals often glabrate abaxially, distals glandular-villous. |
usually cauline, relatively even-sized or slightly reduced distally; petiole absent, base sometimes tapered to narrow, petiole-like extension; blade obovate to broadly oblanceolate, 13–33 × 5–12(–16) mm, margins entire, plane, apex acuminate, surfaces densely glandular-villous. |
Pedicels | 1–3 mm in fruit. |
2–3(–5) mm in fruit. |
Flowers | 2 per node, or 1 or 2 per node on 1 plant, chasmogamous. |
2 per node, or 1 or 2 per node on 1 plant, chasmogamous. |
Styles | glandular-puberulent. |
glandular-puberulent. |
Corollas | nearly white or pale lavender to pinkish or pale to dark magenta, each lobe with a dark medial line extending nearly to tip, throat with a dark red or purple splotch at junction of each abaxial lobe and adjacent lateral lobe, throat floor sometimes with 2 adjacent white splotches at lateral lobe bases, palate ridges yellow, tube-throat 15–20 mm, limb 10–16 mm diam., bilabiate. |
magenta to red-purple with a yellow patch on palate, sometimes yellow with a red-brown patch, palate ridges orange-yellow, tube-throat 9–11 mm, limb 12–15 mm diam., bilabiate. |
Calyces | symmetrically attached to pedicels, not inflated in fruit, 8–12 mm, glandular-villous, tube strongly plicate, lobes triangular, subequal, apex acute, ribs narrow, darkened, blackish, thickened, strongly raised, intercostal areas green to purple, not membranous. |
symmetrically attached to pedicels, not inflated in fruit, 7–9(–10) mm, coarsely glandular-pubescent, lobes subequal, apex lanceolate to narrowly lanceolate, ribs purplish, intercostal areas white. |
Capsules | 6–10 mm. |
6–8 mm. |
Anthers | included, ciliate. |
exserted, sparsely hirsutulous. |
Stigmas | included, lobes unequal, abaxial 1.5 times adaxial. |
exserted, lobes subequal. |
2n | = 16. |
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Diplacus graniticola |
Diplacus ovatus |
|
Phenology | Flowering Apr–Sep. | Flowering Apr–Jun(–Aug). |
Habitat | Granite cracks and crevices. | Dry to moist, often barren, loose, sandy to gravelly slopes, andesite or rhyolite deposits, sandy alkaline valley floors, roadsides, washes, sagebrush, pinyon-juniper, open yellow pine woodlands. |
Elevation | 300–2100 m. (1000–6900 ft.) | 1300–1900(–2400) m. (4300–6200(–7900) ft.) |
Distribution |
CA
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NV
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Discussion | Diplacus graniticola occurs in the Sierra Nevada from Tuolumne County to northern Tulare County. These plants previously were identified within D. layneae, with which they are partially sympatric; where these two occur together, D. layneae often grows in granite-derived sand and gravel immediately adjacent to the granite rock habitat of D. graniticola. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Mimulus ovatus was treated as a distinct species by N. H. Holmgren (1984); the plants were considered by D. M. Thompson (2005) to be hybrids between M. nanus var. mephiticus and M. cusickii, and he placed the name as a synonym of M. cusickii. Diplacus ovatus is known only from Carson City, Douglas, and southern Washoe counties. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 17, p. 438. | FNA vol. 17, p. 440. |
Parent taxa | Phrymaceae > Diplacus | Phrymaceae > Diplacus |
Sibling taxa | ||
Synonyms | Mimulus bigelovii var. ovatus, M. ovatus | |
Name authority | Schoenig: Phytoneuron 2017-24: 1, figs. 1, 3–10. (2017) | (A. Gray) G. L. Nesom: Phytoneuron 2012-39: 29; 2012-47: 3. (2012) |
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