Flora of North America species comparison

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Erythranthe alsinoides

chickweed monkey-flower, wing-stem monkey-flower
Habit Annuals, fibrous-rooted.
Stems

erect, usually simple, (0.5–)2–6(–15) cm, glandular-puberulent, hairs 0.1–0.2 mm, gland-tipped, nodes 2(or 3), usually red-tinged.
Leaves

basal and cauline;

petiole 1–20(–30) mm, distinctly 3-veined (winged);

blade palmately 3-veined, lanceolate-ovate to ovate, elliptic, or suborbicular, 3–18(–32) × 3–12(–25) mm, base cuneate to truncate, margins dentate to denticulate or subentire, apex acute to obtuse or rounded, surfaces glandular-puberulent, hairs 0.1–0.2 mm, gland-tipped.
Flowers

herkogamous, 1–4(–8), from distal or medial to distal nodes.
Styles

glabrous.
Corollas

yellow, abaxial limb with a large maroon splotch, also red-spotted, bilaterally symmetric, ± bilabiate;

tube-throat funnelform-cylindric, 6–9 mm, exserted beyond calyx margin;

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

15–32 mm, glandular-puberulent, hairs 0.1–0.2 mm, gland-tipped.
Fruiting calyces

purplish, slightly ridge-angled, campanulate-cylindric, weakly or not inflated, 5–8 mm, margins subtruncate, sparsely minutely stipitate-glandular, lobes 4, (0–)0.5–1 mm, sometimes barely evident, 1 lobe usually slightly longer, margins appearing subtruncate, shallowly convex to rounded-mucronulate.
Capsules

included, (3–)5–7 mm.
Anthers

included, glabrous.

Erythranthe alsinoides
Phenology Flowering Mar–Jun.
Habitat Open, rocky slopes, cliff faces, bluffs, mossy rock crevices, ledges, moist rocks, roadsides, along wet paths and trails.
Elevation 10–1900 m. (0–6200 ft.)
Distribution
from FNA
CA; ID; OR; WA; BC
[WildflowerSearch map]
Discussion

Erythranthe alsinoides is distinct in its short, erect stems with few nodes, small, mostly ovate to elliptic-ovate, petiolate leaves, minutely stipitate-glandular vestiture, small corollas with a prominent maroon splotch on the abaxial limb, small, non-inflated mature calyces and, most especially, by its nearly truncate calyx margin. Erythranthe pulsiferae is superficially similar to E. alsinoides but has larger calyces borne on divergent-arcuate pedicels, smaller leaf blades with attenuate to cuneate bases, and the corolla limbs are smaller and lack a prominent maroon splotch.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 17, p. 395.
Parent taxa Phrymaceae > Erythranthe
Sibling taxa
E. acutidens, 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. verbenacea, E. washingtonensis, E. willisii
Synonyms Mimulus alsinoides
Name authority (Douglas ex Bentham) 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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