Difference between revisions of "Erythranthe parvula"
Phytoneuron 2012-39: 44. 2012.
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|common_names=Southwestern mat monkeyflower | |common_names=Southwestern mat monkeyflower | ||
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|name=Mimulus parvulus | |name=Mimulus parvulus | ||
|authority=Wooton & Standley | |authority=Wooton & Standley | ||
| + | |rank=species | ||
| + | |publication_title=Contr. U.S. Natl. Herb. | ||
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name=Erythranthe parvula | name=Erythranthe parvula | ||
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|authority=(Wooton & Standley) G. L. Nesom | |authority=(Wooton & Standley) G. L. Nesom | ||
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|genus=Erythranthe | |genus=Erythranthe | ||
|species=Erythranthe parvula | |species=Erythranthe parvula | ||
Latest revision as of 19:30, 5 November 2020
Perennials, rhizomatous, sometimes rooting at nodes, mat-forming. Stems procumbent, branched, 5–15 cm, stipitate-glandular distally. Leaves cauline; petiole 1–4 mm; blade palmately 3-veined, ovate to orbicular-ovate or depressed-ovate, 3–11 × 3–9 mm, base truncate to cuneate, margins shallowly denticulate to dentate, teeth 3–5 per side, apex acute to obtuse, surfaces villous-hirsute, hairs whitish, thickened, flattened, stiff, gland-tipped. Flowers plesiogamous, 2–8, axillary at distal nodes. Fruiting pedicels 7–15 mm, minutely stipitate-glandular. Fruiting calyces nodding 45–90º, 5-lobed, cylindric-ovoid, inflated, sagittally compressed, 4–5 mm, villous-hirsute, throat closing. Corollas yellow, red-dotted, bilaterally symmetric, bilabiate; tube-throat funnelform, 6–8 mm, exserted beyond calyx margin; limb expanded 4–6 mm, abaxial limb spreading, lobes fimbriate. Styles glabrous. Anthers included, glabrous. Capsules included, 3–4 mm. 2n = 32.
Phenology: Flowering Apr–Sep.
Habitat: Wet vertical rock faces, ledges, and rocky slopes, seepy wash banks.
Elevation: 500–2400(–3400) m.
Distribution
Ariz., N.Mex., Mexico (Sonora).
Discussion
All monkeyflowers with laciniate-lobed corollas have generally been identified as Mimulus dentilobus B. L. Robinson & Fernald, but these occur as three, morphologically distinct, widely allopatric population systems, each of which is regarded as a separate species (G. L. Nesom 2012g). Erythranthe dentiloba (B. L. Robinson & Fernald) G. L. Nesom, which is endemic to Mexico, is the only one of the three with an allogamous breeding system. Erythranthe parvula is restricted to Arizona and New Mexico except for one locality in northern Sonora, Mexico. Erythranthe chinatiensis is the third species of the group.
Selected References
None.