Flora of North America species comparison

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Erythranthe taylorii

Erythranthe dentata

Shasta limestone monkeyflower, Taylor's or Shasta limestone monkeyflower

coast monkeyflower, coastal monkey-flower, tooth-leaf monkey-flower
Habit Annuals, filiform-taprooted. Perennials, rhizomatous.
Stems

erect, straight at nodes, simple or few-branched from base, 5–10 cm, sparsely eglandular-villous proximally, becoming sparsely short stipitate-glandular distally.

erect to erect-ascending, simple or few-branched, 15–40 cm, coarsely pilose to hirsute-pilose, glabrescent, internodes evident.
Leaves

usually cauline, basal not persistent, largest at mid stem or basal and mid stem to nearly even-sized;

petiole 3–5(–8) mm;

blade often purple adaxially, palmately 3–5-veined, broadly ovate to elliptic-ovate or ovate-lanceolate, 4–20 × 4–12 mm, base rounded to truncate, margins serrate-dentate, teeth 2–4 per side, shallow, apex rounded to obtuse or acute, surfaces: distals moderately short-stipitate-glandular.

cauline;

petiole (0–)2–12 mm, not winged, distally sometimes sessile, subclasping;

blade pinnately veined, lanceolate to ovate-lanceolate or elliptic-ovate, 25–75 mm, thick, base rounded to cuneate, margins coarsely dentate to serrate, apex acute to obtuse, surfaces coarsely pilose to hirsute-pilose, glabrescent.
Flowers

herkogamous, sometimes plesiogamous, 2–6(–8), from proximal to distal nodes.

herkogamous, 1–5, from distal nodes.
Styles

glabrous.

glabrous.
Corollas

yellow, throat ceiling sometimes red-spotted or -lined, abaxial limb yellow or with 1 or 2 red splotches, bilaterally symmetric, bilabiate;

tube-throat funnelform, 5–7 mm, exserted beyond calyx margin.

yellow, palate and throat brown to reddish brown-spotted, bilaterally symmetric, ± bilabiate;

tube-throat funnelform, 15–26 mm, exserted beyond calyx margin;

throat open, palate villous, abaxial ridges low.
Fruiting pedicels

divergent to arcuate-divergent, 6–13 mm.

12–25(–50) mm.
Fruiting calyces

wing-angled, tubular-campanulate, 4–5 mm, margins distinctly toothed or lobed, densely invested with tiny, waxy-white, eglandular, papillose hairs between angles, lobes pronounced, erect.

narrowly campanulate, not or weakly inflated, 9–14 mm, villous-hirsute on ribs.
Capsules

included, 3–4 mm.

included, 8–9 mm.
Anthers

included, glabrous.

included, short villous-hirsute.

Erythranthe taylorii

Erythranthe dentata
Phenology Flowering Feb–May. Flowering May–Aug.
Habitat Crevices in limestone cliff faces and outcrops. Stream banks.
Elevation 900–1100 m. (3000–3600 ft.) 20–400 m. (100–1300 ft.)
Distribution
from FNA
CA
[WildflowerSearch map]
from FNA
CA; OR; WA; BC
[WildflowerSearch map]
Discussion

Erythranthe taylorii is known only from the Shasta Lake region of northwestern Shasta County. Its broad, distinctly bilabiate corollas and ovate leaf blades with palmate venation are similar to those of species of the northern group of sect. Mimulosma, the "Columbia River clade" (J. B. Whittall et al. 2006) of Idaho, Montana, Oregon, Washington, and Wyoming, particularly to the Idaho endemic E. ampliata. Erythranthe taylorii is distinct from E. ampliata in its larger, papillose calyces, shorter fruiting pedicels, corollas with shorter tube-throats, and shorter capsules. Considerable corolla color variation exists in E. taylorii in the occurrence and density of red dots and lines on the throat ceiling and larger red splotches on the abaxial limb.

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

Erythranthe dentata is distinctive and rarely misidentified.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 17, p. 398. FNA vol. 17, p. 405.
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. 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. 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. 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. verbenacea, E. washingtonensis, E. willisii
Synonyms Mimulus dentatus
Name authority G. L. Nesom: Phytoneuron 2013-43: 6, figs. 5–7. (2013) — (as taylori) (Nuttall ex Bentham) G. L. Nesom: Phytoneuron 2012-39: 41. (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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