Flora of North America species comparison

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Erythranthe tilingii

Erythranthe androsacea

larger mountain monkeyflower, mountain monkey-flower, Tiling's monkey-flower

Androsace monkeyflower, rock-jasmine monkeyflower
Habit Perennials, rhizomatous, solitary to weakly colonial, rhizomes forming a mass, yellowish, branching, filiform. Annuals, taprooted.
Stems

erect-ascending, usually freely branched, 2–35 cm, glabrous or sparsely stipitate-glandular to short glandular-villous.

erect, simple or branched from basal nodes, 0.5–10 cm, glabrous or minutely puberulent.
Leaves

cauline;

petiole 0–25 mm, distals 0 mm;

blade palmately 3–5-veined, ovate to lanceolate-triangular or narrowly lanceolate (broadly ovate in large-leaved forms), 5–35(–55) mm, base cuneate to attenuate, margins irregularly denticulate, apex acute to obtuse or rounded, surfaces glabrous, sparsely stipitate-glandular to short glandular-villous, glabrate, or sparsely to moderately villous, hairs thick-vitreous, eglandular.

cauline, basal not persistent;

petiole 0 mm;

blade 1-veined or palmately 3-veined (in broader ones), linear to lanceolate or ovate, 2–8 × 1–5 mm, base attenuate, sometimes clasping, margins entire, sometimes toothed, apex acute, surfaces glabrous or minutely puberulent.
Flowers

herkogamous, 1–3(–5), from distal nodes.

herkogamous, sometimes plesiogamous, 1–22, from distal or medial to distal nodes.
Styles

hirtellous.

glabrous.
Corollas

yellow, red-dotted, bilaterally symmetric, bilabiate;

tube-throat broadly funnelform, 15–28 mm, exserted 5–10 mm beyond calyx margin;

limb expanded 14–30 mm.

pink to purple, palate sometimes with yellow or pink markings, without yellow palate ridges, bilaterally symmetric, weakly bilabiate;

tube-throat cylindric, 3–8 mm, exserted 2–3 mm beyond calyx margin;

limb expanded 3–7 mm, lobes entire, sometimes notched, adaxial limb glabrous, sometimes sparsely bearded.
Fruiting pedicels

15–35(–40) mm, sparsely stipitate-glandular to short glandular-villous.

ascending to often spreading horizontally, 5–30 mm.
Fruiting calyces

usually purple-tinged and purple-dotted, broadly campanulate, inflated, sagittally compressed, 11–15 mm, glabrous or sparsely stipitate-glandular to short glandular-villous, villous at sinuses, throat closing, lobes broadly ovate, abaxial usually longer than lateral, adaxial at least 2 times as long as others.

sometimes red-dotted, campanulate, 3–7 mm, margins distinctly toothed or lobed, glabrous or minutely puberulent, ribs thickened, lobes pronounced, erect, margins glabrous.
Capsules

included, 5–7 mm.

included, 3–5 mm.
Anthers

included, glabrous.

included, glabrous.
2n

= 28, 56.

Erythranthe tilingii

Erythranthe androsacea
Phenology Flowering Jul–Sep. Flowering Feb–May.
Habitat Seeps, springs, stream banks, shallow rivulets, cliff bases, ledges and crevices, steep gravelly slopes, wet meadows. Moist open areas on gentle slopes.
Elevation 1400–3400 m. (4600–11200 ft.) 100–3600 m. (300–11800 ft.)
Distribution
from FNA
AZ; CA; ID; MT; NV; OR; UT; AB
[WildflowerSearch map]
from FNA
CA
[WildflowerSearch map]
Discussion

Plants of Erythranthe tilingii are characterized by their relatively low stature and stems arising from a system of thin rhizomes and producing mostly one to three large flowers each; they usually occur at relatively high elevations. Erythranthe tilingii sometimes has been considered to include one or several infraspecific entities; from within this taxonomic amalgam, four distinct species are recognized here: E. caespitosa, E. corallina, E. minor, and E. tilingii. Erythranthe corallina and E. minor probably are more closely related to E. guttata. The populations identified here as E. tilingii from northeastern Oregon northeast to Alberta and southeast to Utah may prove to be a separate (undescribed) species.

Erythranthe tilingii in the strict sense is relatively widespread over the western United States and is sympatric with E. caespitosa and E. corallina. Leaves in E. tilingii are variable in size, and particularly in Idaho, they may approach the small size of those of E. caespitosa, but the leaf margins of E. tilingii are distinctly toothed, and the stems are taller and more erect. Across the range of the species, plants sometimes produce very large leaves, but these often occur on plants with characteristically smaller leaves. This wide variability in size apparently does not occur in E. caespitosa.

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

Erythranthe androsacea occurs primarily in the southern half of California but is scattered as far north as Lake and Modoc counties.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 17, p. 408. FNA vol. 17, p. 388.
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. taylorii, E. thermalis, E. trinitiensis, E. unimaculata, E. utahensis, E. verbenacea, E. washingtonensis, E. willisii
E. acutidens, E. alsinoides, E. ampliata, 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. verbenacea, E. washingtonensis, E. willisii
Synonyms Mimulus tilingii, M. caespitosus var. implexus, M. implexus, M. implicatus, M. langsdorffii var. tilingii, M. lucens, M. veronicifolius Mimulus androsaceus, M. palmeri var. androsaceus
Name authority (Regel) G. L. Nesom: Phytoneuron 2012-39: 44. (2012) (Curran ex Greene) N. S. Fraga: Phytoneuron 2012-39: 35. (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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