Flora of North America species comparison

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Erythranthe eastwoodiae

Erythranthe minor

crimson monkeyflower, Eastwood's monkey-flower

Colorado monkeyflower
Habit Perennials, stoloniferous, sometimes also rhizomatous. Perennials, rhizomatous, colonial, rhizomes forming a mass, branching, filiform.
Stems

scandent to pendent, usually simple, 5–30(–40) cm, villous-glandular to minutely stipitate-glandular, hairs often a mixture of longer and much shorter ones, gland-tipped.

erect to erect-ascending, branched, 5–20 cm, densely minutely hirtellous and eglandular or with a mixture of hirtellous and gland-tipped hairs.
Leaves

cauline;

petiole 0 mm;

blade palmately 3-veined, flabellate distally to obovate to oblanceolate or elliptic, (5–)13–40(–55) × 8–20(–25) mm, largest near mid stem or distally, thick, base cuneate to rounded, subclasping, margins coarsely serrate on distal 1/2, apex acute, surfaces villous-glandular to minutely stipitate-glandular, hairs often a mixture of longer and much shorter ones, gland-tipped.

basal and cauline;

petiole 0 mm or proximals 1–3 mm;

blade palmately 3-veined, broadly ovate to elliptic-ovate or lanceolate, 8–25 × 5–15 mm, base cuneate to truncate, margins shallowly dentate to denticulate, apex acute to obtuse, surfaces glabrous.
Flowers

herkogamous, 2–8, axillary at leafy medial to distal nodes.

herkogamous, 1–3, from distal nodes.
Styles

glabrous.

sparsely hirtellous.
Corollas

scarlet to orange-red or orange, palate red, not spotted or striped, bilaterally symmetric, strongly bilabiate;

tube-throat narrowly funnelform, 20–30 mm, exserted 5–15 mm beyond calyx margin;

throat open, palate puberulent.

yellow, not red-dotted, bilaterally symmetric, bilabiate;

tube-throat tubular-funnelform, 9–11 mm, exserted 0–1(–2) mm beyond calyx margin.
Fruiting pedicels

10–30(–40) mm.

10–20 mm, densely minutely hirtellous and eglandular or with a mixture of hirtellous and gland-tipped hairs.
Fruiting calyces

cuneate-cylindric to cylindric, weakly or not inflated, 15–23(–27) mm, glabrous or minutely stipitate-glandular to sparsely glandular-villosulous, lobes triangular-acuminate.

nodding 80–100º, not purple-dotted, cylindric-campanulate, inflated, sagittally compressed, 10–13 mm, densely minutely hirtellous and eglandular or with a mixture of hirtellous and gland-tipped hairs, throat closing.
Capsules

included, 6–10 mm.

included, 5–8 mm.
Anthers

exserted, villous, thecae reflexed 45º.

included, glabrous.
2n

= 16.

Erythranthe eastwoodiae

Erythranthe minor
Phenology Flowering May–Sep(–Nov). Flowering Jul–Aug(–Sep).
Habitat Seepages in sandstone overhangs, cave roofs, walls, crevices, and cliff bases, pinyon-juniper woodlands. Stream and lake edges, intermittent subalpine water courses, roadside ditches, subalpine to alpine.
Elevation 900–2000 m. (3000–6600 ft.) 3000–3700 m. (9800–12100 ft.)
Distribution
from FNA
AZ; CO; NM; UT
[WildflowerSearch map]
from FNA
CO; NM
Discussion

The range of Erythranthe eastwoodiae appears to be essentially contiguous with that of E. verbenacea in the Grand Canyon region, but there is no evidence of hybridization.

Erythranthe eastwoodiae (as Mimulus eastwoodiae) is in the Center for Plant Conservation’s National Collection of Endangered Plants.

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

The corollas of Erythranthe minor are shorter than those of typical E. tilingii, and the two species are allopatric. Corollas of E. tilingii rarely may be equally as short as those of E. minor but are produced in scattered localities on plants that are depauperate in other ways. The range of E. minor is primarily in Colorado apparently extending southward into the Wheeler Peak area of Taos County, New Mexico. Attribution of its range into the La Sal Mountains of east-central Utah has been based on misidentifications of E. guttata; the distinction between E. guttata and E. minor in Colorado also needs clarification.

Mimulus luteus Linnaeus var. alpinus A. Gray (1863, the type from Colorado) is an illegitimate name for Erythranthe minor, preceded by M. luteus var. alpinus Lindley (1827).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 17, p. 394. FNA vol. 17, p. 409.
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. 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
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. 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 eastwoodiae Mimulus minor, M. alpinus, M. langsdorffii var. alpinus, M. langsdorffii var. minor
Name authority (Rydberg) G. L. Nesom & N. S. Fraga: Phytoneuron 2012-39: 36. (2012) (A. Nelson) G. L. Nesom: Phytoneuron 2012-39: 44. (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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