Erythranthe erubescens |
Erythranthe glaucescens |
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California blushing monkeyflower |
shield-bract monkeyflower |
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Habit | Perennials, rhizomatous. | Annuals, slender-taprooted or fibrous-rooted, rarely with runners from basal nodes. |
Stems | erect, usually simple, 25–90 cm, stipitate-glandular to glandular-villous. |
erect, simple or branched, terete, sometimes 4-angled distally, (5–)30–60(–80) cm, glabrous, glaucous. |
Leaves | cauline; petiole 0 mm; blade palmately veined, elliptic to ovate, ovate-lanceolate, or lanceolate, (20–)30–90 × 5–25(–35) mm, base rounded to cuneate, subclasping, margins denticulate, subentire, or entire, apex acute, surfaces stipitate-glandular to glandular-villous. |
basal and cauline; petiole: basal and proximal cauline as long as or much longer than blade, slender, sometimes pubescent or villous, distals absent; blade palmately 3–5-veined, (proximal) ovate to ovate-elliptic or orbicular-ovate, sometimes subcordate, 10–50 mm, midcauline to distal orbicular, 5–45 mm wide, distinctly connate-perfoliate, disclike distally, base rounded to subcordate, margins: proximals denticulate to dentate or coarsely, irregularly toothed, sometimes lobed at base, distals nearly entire or toothed, teeth scattered, small, apex rounded, surfaces glabrous, glaucous. |
Flowers | herkogamous, 2–8, axillary at leafy medial to distal nodes. |
herkogamous, 1–16, from distal nodes, sometimes from nearly all, chasmogamous. |
Styles | glabrous. |
minutely hirtellous-puberulent. |
Corollas | light pink, darker pink stripes down middle of each lobe, abaxial 3 lobes with a white basal patch, palate ridges yellow, bilaterally symmetric, strongly bilabiate; tube-throat funnelform, 20–30 mm, exserted beyond calyx margins; lobe apex usually truncate, shallowly retuse, throat open. |
yellow, sometimes with a median splotch, abaxial limb densely dark yellow, others much lighter, throat floor and tube red-dotted, bilaterally symmetric, bilabiate; tube-throat funnelform, 12–23 mm, exserted 4–8 mm beyond calyx margin; limb expanded 14–36 mm. |
Fruiting pedicels | 45–90 mm. |
10–50 mm, glabrous, glaucous. |
Fruiting calyces | cylindric-campanulate, not inflated, 15–22 mm, stipitate-glandular to glandular-villous, tube 14–19 × 6–8 mm, lobes subequal to distinctly unequal, ovate, apex linear-caudate. |
broadly campanulate, inflated, sagittally compressed, 7–16 mm, glabrous, glaucous, throat closing. |
Capsules | included, 7–13 mm. |
included, 5–11 mm. |
Anthers | included, white-villous, thecae spreading. |
included, glabrous. |
2n | = 16. |
= 28. |
Erythranthe erubescens |
Erythranthe glaucescens |
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Phenology | Flowering Jul–Aug. | Flowering Mar–May(–Jun). |
Habitat | Springs and seeps, meadows, cliffs, steep rocky slopes, ridges. | Seepage areas, wet rocks, moist cliffs, pool edges, gravelly stream banks, serpentine outcrops, roadsides and roadcuts, low pastures, riparian woodlands, blue oak woodlands, chaparral, grasslands. |
Elevation | (1400–)1800–3000(–3500) m. ((4600–)5900–9800(–11500) ft.) | 80–900(–1100) m. (300–3000(–3600) ft.) |
Distribution |
CA; NV
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CA
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Discussion | Erythranthe erubescens was long identified as E. lewisii but is distinct in its light pink corollas (versus mostly magenta-rose to purplish in E. lewisii), more broadly cylindric calyx tube [14–19 × 6–8 mm versus 12–15(–17) × 9–12 mm], and its geographic range in the Sierra Nevada of California (versus widespread from southern Alaska south to northwestern California, northern Utah, eastern Nevada, and northern Colorado in E. lewisii). The two are genetically isolated and phylogenetically distinct (see summary of evidence in G. L. Nesom 2014b). In California, Erythranthe erubescens ranges from Modoc, Plumas, and Tehama counties south to Fresno County; in Nevada, it is known only from Washoe County and Carson City. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Plants from one locality in Butte County are unusual in producing filiform, small-leaved runners from basal cauline nodes. Erythranthe glaucescens is known only from Butte and Tehama counties. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 17, p. 393. | FNA vol. 17, p. 417. |
Parent taxa | Phrymaceae > Erythranthe | Phrymaceae > Erythranthe |
Sibling taxa | ||
Synonyms | Mimulus glaucescens, M. guttatus var. glaucescens | |
Name authority | G. L. Nesom: Phytoneuron 2014-31: 12, figs. 11–13. (2014) | (Greene) G. L. Nesom: Phytoneuron 2012-39: 43. (2012) |
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