Flora of North America species comparison

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Erythranthe geyeri

Erythranthe breviflora

Geyer's monkeyflower, mimule de James

short-flower monkey-flower
Habit Perennials, rhizomatous, rooting at nodes. Annuals, shallowly fibrous-rooted.
Stems

decumbent-ascending to ascending or erect-ascending, branched, (3–)10–40 cm, glabrous.

ascending, geniculate at nodes, branched at proximal and medial nodes, 4–15 cm, minutely stipitate-glandular, hairs 0.1–0.3 mm, gland-tipped, sometimes minutely hirtellous, hairs sharp-pointed, eglandular.
Leaves

cauline, basal not persistent;

petiole 3–10(–20) mm or 0 mm distally;

blade palmately 3–5-veined, suborbicular to depressed-ovate or broadly elliptic-ovate to reniform, 6–25 mm, relatively even-sized or largest often at mid stem, bracteal reduced, base cuneate to truncate or subcordate, margins shallowly dentate to crenate-dentate, teeth 3–7(–10) per side, apex rounded, adaxial surface of distals sparsely short villous-glandular or glabrous.

usually cauline, basal usually deciduous by flowering;

petiole 1–3 mm;

blade palmately 3-veined, narrowly ovate or narrowly lanceolate to elliptic or elliptic-lanceolate, largest 5–15 × 2–6 mm, relatively even-sized, or slightly reduced distally, base attenuate, margins entire, mucronulate, or denticulate, apex acute to obtuse, surfaces minutely stipitate-glandular, hairs 0.1–0.3 mm, gland-tipped, sometimes minutely hirtellous, hairs sharp-pointed, eglandular.
Flowers

plesiogamous, 2–8(–12), from distal nodes, sometimes from most nodes, very loosely racemose.

plesiogamous, 10–20, from medial to distal nodes.
Styles

glabrous.

glabrous.
Corollas

yellow, sparsely red-dotted or not, bilaterally symmetric, weakly bilabiate;

tube-throat cylindric-funnelform, 6–8 mm, exserted 1–3 mm beyond calyx margin;

limb expanded 5–8 mm.

yellow, red-spotted or striped, bilaterally symmetric, weakly bilabiate;

tube-throat cylindric to narrowly funnelform, 3.5–5 mm, not exserted beyond calyx margin;

limb barely widened, lobes broadly obovate, apex rounded.
Fruiting pedicels

18–30 mm, sparsely short villous-glandular or glabrous.

straight, 5–11 mm, minutely stipitate-glandular, hairs 0.1–0.3 mm, gland-tipped, sometimes minutely hirtellous, hairs sharp-pointed, eglandular.
Fruiting calyces

obtriangular to broadly obtriangular or deeply cupulate, inflated, sagittally compressed, (7–)8–12 mm, sparsely short villous-glandular or glabrous, throat not closing, lateral lobes shallowly convex-mucronulate, adaxial ovate with apex rounded.

winged, plicate-angled, campanulate becoming ovoid-ellipsoid to campanulate, distinctly inflated, 5–6 mm, margins distinctly toothed or lobed, sparsely, minutely hirtellous, eglandular, sometimes sparsely sessile-glandular, lobes pronounced, erect.
Capsules

included, (4.5–)5–8 mm.

included, 4–6 mm.
Anthers

included, glabrous.

included, glabrous.
2n

= 30.

Erythranthe geyeri

Erythranthe breviflora
Phenology Flowering May–Aug(–Oct). Flowering May–Jul.
Habitat Edges of flowing streams, marsh edges, drainage ditches, seepage areas, springs, muddy or moist banks. Stream and lake sides, gravel bars, springs, moist slopes, damp swales between dunes, along trails.
Elevation 200–2500 m. (700–8200 ft.) 700–2300 m. (2300–7500 ft.)
Distribution
from FNA
AZ; CO; IA; IL; KS; MI; MN; MO; NE; NM; OK; PA; SD; TX; WI; WY; AB; MB; ON; QC; SK; Mexico (Chihuahua, Coahuila, Distrito Federal, Durango, Hidalgo, Nuevo León, México, Querétaro, San Luis Potosí, Sonora, Veracruz, Zacatecas)
[WildflowerSearch map]
from FNA
CA; ID; MT; NV; OR; WA; BC
[WildflowerSearch map]
Discussion

Erythranthe geyeri has commonly been regarded as conspecific with E. glabrata (Kunth) G. L. Nesom (as Mimulus glabratus var. jamesii), but typical E. glabrata has a different chromosome number and distinct morphology and its range does not reach the United States. In Mexico, the two species are broadly sympatric without intermediates. An allozyme study of the M. glabratus complex (R. K. Vickery 1990) indicated that the Great Plains populations of E. geyeri are distinct from those in New Mexico and Mexico, corresponding to a difference in pedicel vestiture.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 17, p. 406. FNA vol. 17, p. 399.
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. 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
E. acutidens, E. alsinoides, E. ampliata, E. androsacea, E. arenaria, E. arenicola, E. arvensis, E. barbata, E. bicolor, E. brachystylis, 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 geyeri, M. glabratus var. fremontii, M. glabratus var. jamesii, M. glabratus var. oklahomensis, M. jamesii, M. jamesii var. fremontii Mimulus breviflorus
Name authority (Torrey) G. L. Nesom: Phytoneuron 2012-39: 43. (2012) (Piper) G. L. Nesom: Phytoneuron 2012-39: 38. (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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