Flora of North America species comparison

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Erythranthe grayi

Gray's monkeyflower, mariposa monkeyflower
Habit Annuals, fibrous-rooted.
Stems

erect, simple or branched from base, weakly 4-angled, 8–20 cm, glabrous.
Leaves

basal and cauline;

petiole 0 mm;

blade palmately 3–5-veined, broadly ovate, 7–18 × 5–12 mm, base rounded, margins denticulate, apex acute, surfaces glabrous, rarely sparsely puberulent.
Flowers

herkogamous, 2–20, from proximal to distal nodes.
Styles

glabrous.
Corollas

rose red, throat pink lined with rose red and a yellow patch, abaxial ridges yellow, bilaterally symmetric, weakly bilabiate;

tube-throat cylindric-funnelform, 8–11 mm, exserted beyond calyx margin;

limb expanded 7–10 mm.
Fruiting pedicels

6–7 mm, shorter than subtending leaves, glabrous.
Fruiting calyces

campanulate, 9–11 × 5–6 mm, margins subtruncate, glabrous, sometimes densely papillate at flowering with tiny, 1-celled, eglandular hairs, these apparently deciduous by fruiting, lobes reduced, subequal.
Capsules

included, 5–9 mm.
Anthers

included, minutely villous-hirsute.

Erythranthe grayi
Phenology Flowering May–Jul(–Oct).
Habitat Drying pond beds, creek banks, yellow pine, yellow pine-Libocedrus woodlands.
Elevation 1000–1900 m. (3300–6200 ft.)
Distribution
from FNA
CA
[WildflowerSearch map]
Discussion

In addition to the features noted in the key and descriptions, the fruiting calyces of Erythranthe grayi are distinctly more inflated than those of E. acutidens and E. inconspicua. G. L. Nesom (2012g) maintained E. grayi as distinct from E. acutidens, relying primarily on fruiting pedicel length (see key above), but the two have nearly identical ranges (Tuolumne County south to Kern County), and study of additional collections suggests that only a single species may be represented.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 17, p. 382.
Parent taxa 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. 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 grayi
Name authority (A. L. Grant) G. L. Nesom: Phytoneuron 2012-39: 34. (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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