Difference between revisions of "Diplacus ovatus"
Phytoneuron 2012-39: 29; 2012-47: 3. 2012.
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|basionyms={{Treatment/ID/Basionym | |basionyms={{Treatment/ID/Basionym | ||
|name=Mimulus bigelovii var. ovatus | |name=Mimulus bigelovii var. ovatus | ||
| − | |authority=A. Gray | + | |authority=A. Gray |
|rank=variety | |rank=variety | ||
| − | |publication_title=Syn. Fl. N. Amer. ed. | + | |publication_title=in A. Gray et al., Syn. Fl. N. Amer. ed. |
|publication_place=2, 2(1): 445. 1886 | |publication_place=2, 2(1): 445. 1886 | ||
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|publication year=2012 | |publication year=2012 | ||
|special status=Endemic;Conservation concern | |special status=Endemic;Conservation concern | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V17/V17_1383.xml |
|genus=Diplacus | |genus=Diplacus | ||
|species=Diplacus ovatus | |species=Diplacus ovatus | ||
Latest revision as of 19:30, 5 November 2020
Herbs, annual. Stems erect to ascending, 20–140 mm, distal internodes 1–3 mm, glandular-pubescent and short glandular-villous. Leaves 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 2–3(–5) mm in fruit. Flowers 2 per node, or 1 or 2 per node on 1 plant, chasmogamous. Calyces 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. Corollas 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. Anthers exserted, sparsely hirsutulous. Styles glandular-puberulent. Stigmas exserted, lobes subequal. Capsules 6–8 mm.
Phenology: Flowering Apr–Jun(–Aug).
Habitat: 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: 1300–1900(–2400) m.
Discussion
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.
Selected References
None.