Flora of North America species comparison

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Erythranthe nudata

Erythranthe verbenacea

bare monkeyflower

crimson monkeyflower, pico Pajaro
Habit Annuals, taprooted or fibrous-rooted. Perennials, rhizomatous.
Stems

erect or ascending, simple or few-branched from basal nodes, branches mostly reddish purple, (5–)9–30 cm, glabrous or minutely stipitate-glandular, hairs 0.05–0.1 mm, at least just above nodes.

erect to decumbent, usually simple, weakly 4-angled, 20–60 cm, ± glandular-villous.
Leaves

cauline on wide internodes;

petiole 5–30 mm, distals 0 mm;

blade 1-veined or palmately 3–5-veined, proximals lanceolate or oblong-lanceolate to ovate, narrowly spatulate, or oblanceolate, distals usually linear, not perfoliate, 5–15(–30) × 1–5 mm, base attenuate, margins denticulate to proximally dentate-lobed, apex acute, surfaces glabrous or minutely stipitate-glandular, hairs 0.05–0.1 mm, at least just above nodes.

cauline;

petiole 0 mm;

blade palmately 3–5-veined, elliptic to obovate, rhombic-ovate, or broadly spatulate, 50–75 × 15–26(–30) mm, base subcordate, subclasping, margins coarsely serrate, sometimes only distally, apex acute to obtuse, surfaces ± glandular-villous.
Flowers

herkogamous, (2–)4–8, usually in proximal or medial to distal axils, chasmogamous.

herkogamous, 2–12, axillary at leafy medial to distal nodes.
Styles

glabrous.

glabrous.
Corollas

yellow, without a large red splotch, throat floor and tube red-spotted, bilaterally symmetric, bilabiate;

tube-throat cylindric-funnelform, 8–12 mm, exserted 2–4 mm beyond calyx margin;

limb expanded 8–12 mm.

crimson, often yellow-tinged, palate ridges dark red, bilaterally symmetric, strongly bilabiate;

tube-throat tubular, 25–35 mm, exserted 13–25 mm beyond calyx margin;

abaxial limb spreading, adaxial erect, lobe apex truncate, often emarginate, throat open, palate ridges densely short-villous.
Fruiting pedicels

erect in flower, spreading to divaricate, rarely recurved, in fruit, 10–35 mm, glabrous or minutely stipitate-glandular, hairs 0.05–0.1 mm, at least just above nodes.

45–90(–150) mm.
Fruiting calyces

ovate-campanulate, inflated, sagittally compressed, 6–13 mm, glabrous or minutely stipitate-glandular, hairs 0.05–0.1 mm, at least just above nodes, throat closing, abaxial lobe upcurving over lateral ones, nearly closing orifice.

campanulate, weakly inflated, 20–28 mm, sparsely glandular-villosulous to stipitate-glandular, lobes triangular to ovate-triangular, apex linear-triangular.
Capsules

included, 6–7 mm.

included, 15–22 mm.
Anthers

included, glabrous.

exserted, white-villous, thecae reflexed 45º.
2n

= 16.

Erythranthe nudata

Erythranthe verbenacea
Phenology Flowering Apr–Jun. Flowering Jun–Sep.
Habitat Open gravelly seeps on serpentine outcrops, serpentine crevices, springs, streamsides, gravelly creek beds, roadside drainages and swales. Stream edges and beds, flood plains, around seeps and springs, canyon bottoms, moist cliff crevices and ledges.
Elevation 200–700 m. (700–2300 ft.) 300–2600 m. (1000–8500 ft.)
Distribution
from FNA
CA
[WildflowerSearch map]
from FNA
AZ; UT; Mexico (Baja California, Chihuahua, Durango, Sinaloa, Sonora)
[WildflowerSearch map]
Discussion

Erythranthe nudata is distinct in its annual duration, few, inconspicuous, and narrow leaves, long and spreading-divaricate pedicels, and large corollas. The plants apparently are restricted to serpentine substrate and known only from Colusa, Glenn, Lake, Mendocino, Napa, and Sonoma counties.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

R. K. Vickery (1992) noted that yellow-flowered morphs of Erythranthe verbenacea occur in a population at Vasey’s Paradise in the Grand Canyon (Coconino County), 32 miles downstream from Lees Ferry.

Populations of Erythranthe verbenacea in the Oak Creek Canyon area in southern Coconino County, Arizona, have leaves with a narrow, lateral, undulating, purple stripe across the mid lamina. The coloration is retained even in dried specimens.

In Utah, Erythranthe verbenacea is known only from the Zion Canyon area.

Molecular (P. M. Beardsley et al. 2003) and morphological (G. L. Nesom 2014b) data indicate that Erythranthe verbenacea is sister to E. eastwoodiae.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 17, p. 417. FNA vol. 17, p. 394.
Parent taxa Phrymaceae > Erythranthe Phrymaceae > Erythranthe
Sibling taxa
E. acutidens, E. alsinoides, E. ampliata, E. androsacea, E. arenaria, E. arenicola, E. arvensis, E. barbata, E. bicolor, E. brachystylis, E. breviflora, E. breweri, E. caespitosa, E. calcicola, E. calciphila, E. cardinalis, E. carsonensis, E. charlestonensis, E. chinatiensis, E. cinnabarina, E. corallina, E. cordata, E. decora, E. dentata, E. diffusa, E. discolor, E. eastwoodiae, E. erubescens, E. exigua, E. filicaulis, E. filicifolia, E. floribunda, E. gemmipara, E. geniculata, E. geyeri, E. glaucescens, E. gracilipes, E. grandis, E. grayi, E. guttata, E. hallii, E. hardhamiae, E. hymenophylla, E. inamoena, E. inconspicua, E. inflatula, E. jungermannioides, E. laciniata, E. latidens, E. lewisii, E. linearifolia, E. marmorata, E. michiganensis, E. microphylla, E. minor, E. montioides, E. moschata, E. nasuta, E. norrisii, E. palmeri, E. pardalis, E. parishii, E. parvula, E. patula, E. percaulis, E. primuloides, E. ptilota, E. pulsiferae, E. purpurea, E. regni, E. rhodopetra, E. rubella, E. scouleri, E. shevockii, E. sierrae, E. suksdorfii, E. taylorii, E. thermalis, E. tilingii, E. trinitiensis, E. unimaculata, E. utahensis, E. verbenacea, E. washingtonensis, E. willisii
E. acutidens, E. alsinoides, E. ampliata, E. androsacea, E. arenaria, E. arenicola, E. arvensis, E. barbata, E. bicolor, E. brachystylis, E. breviflora, E. breweri, E. caespitosa, E. calcicola, E. calciphila, E. cardinalis, E. carsonensis, E. charlestonensis, E. chinatiensis, E. cinnabarina, E. corallina, E. cordata, E. decora, E. dentata, E. diffusa, E. discolor, E. eastwoodiae, E. erubescens, E. exigua, E. filicaulis, E. filicifolia, E. floribunda, E. gemmipara, E. geniculata, E. geyeri, E. glaucescens, E. gracilipes, E. grandis, E. grayi, E. guttata, E. hallii, E. hardhamiae, E. hymenophylla, E. inamoena, E. inconspicua, E. inflatula, E. jungermannioides, E. laciniata, E. latidens, E. lewisii, E. linearifolia, E. marmorata, E. michiganensis, E. microphylla, E. minor, E. montioides, E. moschata, E. nasuta, E. norrisii, E. nudata, E. palmeri, E. pardalis, E. parishii, E. parvula, E. patula, E. percaulis, E. primuloides, E. ptilota, E. pulsiferae, E. purpurea, E. regni, E. rhodopetra, E. rubella, E. scouleri, E. shevockii, E. sierrae, E. suksdorfii, E. taylorii, E. thermalis, E. tilingii, E. trinitiensis, E. unimaculata, E. utahensis, E. washingtonensis, E. willisii
Synonyms Mimulus nudatus Mimulus verbenaceus, M. cardinalis var. verbenaceus, M. lugens
Name authority (Curran ex Greene) G. L. Nesom: Phytoneuron 2012-39: 44. (2012) (Greene) G. L. Nesom & N. S. Fraga: Phytoneuron 2012-39: 37. (2012)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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