Flora of North America species comparison

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Erythranthe glaucescens

Erythranthe filicaulis

shield-bract monkeyflower

Hetch Hetchy monkey-flower, slender-stem monkeyflower
Habit Annuals, slender-taprooted or fibrous-rooted, rarely with runners from basal nodes. Annuals, taprooted.
Stems

erect, simple or branched, terete, sometimes 4-angled distally, (5–)30–60(–80) cm, glabrous, glaucous.

erect, simple or branched at basal nodes, 4–30 cm, densely glandular-puberulent, hairs 0.05–0.1 mm, gland-tipped.
Leaves

basal and cauline;

petiole: basal and proximal cauline as long as or much longer than blade, slender, sometimes pubescent or villous, distals absent;

blade palmately 3–5-veined, (proximal) ovate to ovate-elliptic or orbicular-ovate, sometimes subcordate, 10–50 mm, midcauline to distal orbicular, 5–45 mm wide, distinctly connate-perfoliate, disclike distally, base rounded to subcordate, margins: proximals denticulate to dentate or coarsely, irregularly toothed, sometimes lobed at base, distals nearly entire or toothed, teeth scattered, small, apex rounded, surfaces glabrous, glaucous.

cauline, basal usually not persistent;

petiole 0 mm;

blade 1-veined or palmately 3-veined, linear to oblanceolate, 6–15 × (1–)2–3 mm, base attenuate, margins entire to remotely mucronulate, teeth 1–3 per side, apex acute, surfaces densely glandular-puberulent, hairs 0.05–0.1 mm, gland-tipped.
Flowers

herkogamous, 1–16, from distal nodes, sometimes from nearly all, chasmogamous.

herkogamous, 2–8, from medial to distal nodes.
Styles

minutely hirtellous-puberulent.

glabrous.
Corollas

yellow, sometimes with a median splotch, abaxial limb densely dark yellow, others much lighter, throat floor and tube red-dotted, bilaterally symmetric, bilabiate;

tube-throat funnelform, 12–23 mm, exserted 4–8 mm beyond calyx margin;

limb expanded 14–36 mm.

pink to purple, throat dark red-purple, palate ridges yellow, bilaterally or nearly radially symmetric, weakly bilabiate or nearly regular;

tube-throat cylindric-funnelform, 8–12(–17) mm, exserted beyond calyx margin;

limb expanded 10–14 mm, lobes notched, palate villous.
Fruiting pedicels

10–50 mm, glabrous, glaucous.

9–30 mm, densely glandular-puberulent, hairs 0.05–0.1 mm, gland-tipped.
Fruiting calyces

broadly campanulate, inflated, sagittally compressed, 7–16 mm, glabrous, glaucous, throat closing.

reddish brown-spotted, strongly angled, cylindric-campanulate, 7–9 mm, margins distinctly toothed or lobed, densely glandular-puberulent, hairs 0.05–0.1 mm, gland-tipped, ribs corky, lobes pronounced, spreading.
Capsules

included, 5–11 mm.

included, 5–7 mm.
Anthers

included, glabrous.

included, hirtellous.
2n

= 28.

= 16.

Erythranthe glaucescens

Erythranthe filicaulis
Phenology Flowering Mar–May(–Jun). Flowering May–Jul.
Habitat Seepage areas, wet rocks, moist cliffs, pool edges, gravelly stream banks, serpentine outcrops, roadsides and roadcuts, low pastures, riparian woodlands, blue oak woodlands, chaparral, grasslands. Moist open areas on gentle slopes, meadows, roadsides, gravelly soils.
Elevation 80–900(–1100) m. (300–3000(–3600) ft.) 800–1800 m. (2600–5900 ft.)
Distribution
from FNA
CA
[WildflowerSearch map]
from FNA
CA
[WildflowerSearch map]
Discussion

Plants from one locality in Butte County are unusual in producing filiform, small-leaved runners from basal cauline nodes. Erythranthe glaucescens is known only from Butte and Tehama counties.

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

Erythranthe filicaulis is known only for certain from Mariposa and Tuolumne counties. Kappler 1691 (UCLA) from Madera County also may be this species.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 17, p. 417. FNA vol. 17, p. 391.
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. 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. 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 glaucescens, M. guttatus var. glaucescens Mimulus filicaulis, M. biolettii
Name authority (Greene) G. L. Nesom: Phytoneuron 2012-39: 43. (2012) (S. Watson) G. L. Nesom & N. S. Fraga: Phytoneuron 2012-39: 36. (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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