FNA: Erythranthe rubella vs. Erythranthe shevockii

	Erythranthe rubella	Erythranthe shevockii
	little redstem monkeyflower, red stem himulus, redstem monkeyflower, redstem or little redstem monkeyflower	Kelso Creek monkeyflower, Kelso Creek or Shevock's monkeyflower
Habit	Annuals, taprooted.	Annuals, taprooted.
Stems	erect, simple, sometimes branched from basal nodes, 3–32 cm, minutely puberulent.	erect, simple or branched from basal nodes, 2–12 cm, minutely puberulent or glabrous.
Leaves	cauline, basal not persistent; petiole 0 mm; blade palmately 3-veined (in broader ones), linear to elliptic, 5–22(–30) × 1–5 mm, base narrowed, margins entire, sometimes toothed, apex acute to obtuse, surfaces minutely puberulent.	cauline, basal not persistent; petiole 0 mm; blade palmately 3-veined (in broader ones), lanceolate to ovate, 3–10 × 1–5 mm, base truncate to truncate-cordate, clasping, margins entire, apex acute to obtuse, surfaces minutely puberulent or glabrous.
Flowers	herkogamous, sometimes plesiogamous, 1–106, from distal or medial to distal nodes.	herkogamous, 1–16, from distal or medial to distal nodes.
Styles	glabrous.	glabrous.
Corollas	yellow and abaxial limb and throat red dotted or pink to purple and throat yellow, bilaterally symmetric, weakly bilabiate; tube-throat cylindric, 4–10 mm, exserted beyond calyx margin; limb expanded 3–5 mm, lobes entire or weakly notched, abaxial limb glabrous.	maroon and yellow, 2 lateral lobes maroon, 1 much larger central lobe yellow (red-spotted), 2 adaxial lobes maroon, bilaterally symmetric, strongly bilabiate; tube-throat cylindric, 8–12 mm, exserted 2–3 mm beyond calyx margin; limb expanded 8–15 mm, central lobe 2-fid, abaxial limb sparsely villous-bearded.
Fruiting pedicels	2–18 mm.	ascending to often spreading horizontally, 10–22 mm.
Fruiting calyces	becoming red-angled or red, campanulate to nearly cylindric, 4–9 mm, margins distinctly toothed or lobed, glabrous or minutely puberulent, ribs thickened, lobes pronounced, erect, margins ciliate.	red-spotted or red, campanulate, 4–7 mm, margins distinctly toothed or lobed, minutely puberulent or glabrous, ribs weak, lobes pronounced, erect, margins glabrous.
Capsules	included, 3–8 mm.	included, 5–6 mm.
Anthers	included, glabrous.	included, glabrous.
2n		= 32.

	Erythranthe rubella	Erythranthe shevockii
Phenology	Flowering Apr–Jun.	Flowering Mar–May.
Habitat	Open slopes and washes.	Level openings in juniper and Joshua tree woodlands.
Elevation	300–3000 m. [1000–9800 ft.]	900–1400 m. [3000–4600 ft.]
Distribution	AZ; CA; CO; NM; NV; TX; UT; WY; Mexico (Baja California, Sonora) [WildflowerSearch map]	CA [WildflowerSearch map]
Discussion		Erythranthe shevockii is known only from the southernmost Sierra Nevada in Kern County. It (as Mimulus shevockii) is in the Center for Plant Conservation’s National Collection of Endangered Plants. (Discussion copyrighted by Flora of North America; reprinted with permission.)
Source	FNA vol. 17, p. 384. Treatment authors: Guy L. Nesom, Naomi S. Fraga.	FNA vol. 17, p. 389. Treatment authors: Guy L. Nesom, Naomi S. Fraga.
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. 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. 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. veronicifolia	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. 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. sierrae, E. suksdorfii, E. taylorii, E. thermalis, E. tilingii, E. trinitiensis, E. unimaculata, E. utahensis, E. verbenacea, E. washingtonensis, E. willisii, E. veronicifolia
Synonyms	Mimulus rubellus, M. gratioloides	Mimulus shevockii
Name authority	(A. Gray) N. S. Fraga: Phytoneuron 2012-39: 35. (2012)	(Heckard & Bacigalupi) N. S. Fraga: Phytoneuron 2012-39: 35. (2012)
Web links	Local floras: CA Local Web sites: CalFlora, CalPhotos WildflowerSearch iNaturalist (observations) LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search	Local floras: CA Local Web sites: CalFlora, CalPhotos WildflowerSearch iNaturalist (observations) LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search

Erythranthe shevockii

little redstem monkeyflower, red stem himulus, redstem monkeyflower, redstem or little redstem monkeyflower

Kelso Creek monkeyflower, Kelso Creek or Shevock's monkeyflower

Habit

Annuals, taprooted.

Stems

erect, simple, sometimes branched from basal nodes, 3–32 cm, minutely puberulent.

erect, simple or branched from basal nodes, 2–12 cm, minutely puberulent or glabrous.

Leaves

cauline, basal not persistent;

petiole 0 mm;

blade palmately 3-veined (in broader ones), linear to elliptic, 5–22(–30) × 1–5 mm, base narrowed, margins entire, sometimes toothed, apex acute to obtuse, surfaces minutely puberulent.

cauline, basal not persistent;

petiole 0 mm;

blade palmately 3-veined (in broader ones), lanceolate to ovate, 3–10 × 1–5 mm, base truncate to truncate-cordate, clasping, margins entire, apex acute to obtuse, surfaces minutely puberulent or glabrous.

Flowers

herkogamous, sometimes plesiogamous, 1–106, from distal or medial to distal nodes.

herkogamous, 1–16, from distal or medial to distal nodes.

Styles

glabrous.

Corollas

yellow and abaxial limb and throat red dotted or pink to purple and throat yellow, bilaterally symmetric, weakly bilabiate;

tube-throat cylindric, 4–10 mm, exserted beyond calyx margin;

limb expanded 3–5 mm, lobes entire or weakly notched, abaxial limb glabrous.

maroon and yellow, 2 lateral lobes maroon, 1 much larger central lobe yellow (red-spotted), 2 adaxial lobes maroon, bilaterally symmetric, strongly bilabiate;

tube-throat cylindric, 8–12 mm, exserted 2–3 mm beyond calyx margin;

limb expanded 8–15 mm, central lobe 2-fid, abaxial limb sparsely villous-bearded.

Fruiting pedicels

2–18 mm.

ascending to often spreading horizontally, 10–22 mm.

Fruiting calyces

becoming red-angled or red, campanulate to nearly cylindric, 4–9 mm, margins distinctly toothed or lobed, glabrous or minutely puberulent, ribs thickened, lobes pronounced, erect, margins ciliate.

red-spotted or red, campanulate, 4–7 mm, margins distinctly toothed or lobed, minutely puberulent or glabrous, ribs weak, lobes pronounced, erect, margins glabrous.

Capsules

included, 3–8 mm.

included, 5–6 mm.

Anthers

included, glabrous.

= 32.

Erythranthe rubella

Erythranthe shevockii

Phenology

Flowering Apr–Jun.

Flowering Mar–May.

Habitat

Open slopes and washes.

Level openings in juniper and Joshua tree woodlands.

Elevation

300–3000 m. [1000–9800 ft.]

900–1400 m. [3000–4600 ft.]

Distribution

AZ; CA; CO; NM; NV; TX; UT; WY; Mexico (Baja California, Sonora)

[WildflowerSearch map]

Discussion

Erythranthe shevockii is known only from the southernmost Sierra Nevada in Kern County. It (as Mimulus shevockii) is in the Center for Plant Conservation’s National Collection of Endangered Plants.

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

Source

FNA vol. 17, p. 384. Treatment authors: Guy L. Nesom, Naomi S. Fraga.

FNA vol. 17, p. 389. Treatment authors: Guy L. Nesom, Naomi S. Fraga.

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. 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. 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. veronicifolia

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. 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. sierrae, E. suksdorfii, E. taylorii, E. thermalis, E. tilingii, E. trinitiensis, E. unimaculata, E. utahensis, E. verbenacea, E. washingtonensis, E. willisii, E. veronicifolia

Synonyms

Mimulus rubellus, M. gratioloides

Mimulus shevockii

Name authority

(A. Gray) N. S. Fraga: Phytoneuron 2012-39: 35. (2012)

(Heckard & Bacigalupi) N. S. Fraga: Phytoneuron 2012-39: 35. (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).

The species comparison tool is brought to you by:

Flora of North America species comparison

Erythranthe rubella

Erythranthe shevockii

Erythranthe rubella

Erythranthe shevockii