FNA: Erythranthe purpurea vs. Erythranthe hardhamiae

	Erythranthe purpurea	Erythranthe hardhamiae
	little purple monkeyflower, purple monkeyflower	Hardham's monkeyflower, Santa Lucia monkeyflower
Habit	Annuals, taprooted.	Annuals, taprooted.
Stems	erect, simple or branched from basal nodes, 3–10 cm, minutely puberulent.	erect, simple or branched from basal nodes, (2–)3–13 cm, glabrous or minutely puberulent.
Leaves	cauline, basal not persistent; petiole 0 mm; blade palmately 3–5-veined, elliptic to lanceolate, 4–15 × 1–5 mm, base truncate to truncate-cordate, clasping, 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), linear to oblanceolate, 2–12 × 1–5 mm, base attenuate, margins entire, sometimes toothed, apex acute, surfaces glabrous or minutely puberulent.
Flowers	herkogamous, 1–22, from distal or medial to distal nodes.	herkogamous, 1–12, from distal or medial to distal nodes.
Styles	glabrous.	glabrous.
Corollas	pink to purple, adaxial limb darker than abaxial, abaxial limb with yellow markings, bilaterally symmetric, strongly bilabiate; tube-throat cylindric to funnelform, 7–13 mm, exserted beyond calyx margin; limb expanded 7–10 mm, bilabiate, 3 abaxial lobes notched, 2 adaxial nearly entire, abaxial limb sparsely bearded.	pink to purple, abaxial limb with 2 yellow palate ridges, bilaterally symmetric, strongly bilabiate; tube-throat funnelform, 5–10 mm, exserted 2–5 mm beyond calyx margin; limb expanded 7–13 mm, lobes notched, abaxial limb sparsely bearded.
Fruiting pedicels	ascending to often spreading horizontally, 13–57(–70) mm.	ascending to often spreading horizontally, 10–60 mm.
Fruiting calyces	becoming reddish, campanulate, 3–8 mm, margins distinctly toothed or lobed, minutely puberulent, ribs thickened, lobes pronounced, erect, margins glabrous.	becoming reddish, sometimes red-spotted, campanulate to cylindric, 4–6 mm, margins distinctly toothed or lobed, glabrous or minutely puberulent, ribs weak, lobes pronounced, erect, margins glabrous.
Capsules	included, 3–8 mm.	included, 4–5 mm.
Anthers	included, glabrous.	included or slightly exserted, glabrous.
Stigmas		equal in length to corolla tube or exserted.

	Erythranthe purpurea	Erythranthe hardhamiae
Phenology	Flowering May–Jun.	Flowering Mar–Apr.
Habitat	Moist openings along streams, swales, and depressions, pine duff in yellow pine forests, margins of dry meadows.	Sandy soils near sandstone outcrops and chaparral.
Elevation	1900–2800 m. (6200–9200 ft.)	300–800 m. (1000–2600 ft.)
Distribution	CA; Mexico (Baja California) [WildflowerSearch map]	CA
Discussion	Erythranthe purpurea is restricted to the San Bernardino Mountains in San Bernardino County and is disjunct in the Sierra San Pedro Mártir in Baja California, Mexico. (Discussion copyrighted by Flora of North America; reprinted with permission.)	Erythranthe hardhamiae is endemic to the central coast region in Monterey and San Luis Obispo counties. The species was previously included in E. palmeri but can be distinguished by having a wider limb (16–25 mm) than E. palmeri (8–15 mm) and pale pink flowers with a broad yellow palate and orifice. In contrast, E. palmeri has deep pink flowers with two yellow ridges on the palate. (Discussion copyrighted by Flora of North America; reprinted with permission.)
Source	FNA vol. 17, p. 388.	FNA vol. 17, p. 388.
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. 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. 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 purpureus, M. purpureus var. pauxillus
Name authority	(A. L. Grant) N. S. Fraga: Phytoneuron 2012-39: 35. (2012)	N. S. Fraga: Aliso 30: 64, figs. 23–25. (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 hardhamiae

little purple monkeyflower, purple monkeyflower

Hardham's monkeyflower, Santa Lucia monkeyflower

Habit

Annuals, taprooted.

Stems

erect, simple or branched from basal nodes, 3–10 cm, minutely puberulent.

erect, simple or branched from basal nodes, (2–)3–13 cm, glabrous or minutely puberulent.

Leaves

cauline, basal not persistent;

petiole 0 mm;

blade palmately 3–5-veined, elliptic to lanceolate, 4–15 × 1–5 mm, base truncate to truncate-cordate, clasping, 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), linear to oblanceolate, 2–12 × 1–5 mm, base attenuate, margins entire, sometimes toothed, apex acute, surfaces glabrous or minutely puberulent.

Flowers

herkogamous, 1–22, from distal or medial to distal nodes.

herkogamous, 1–12, from distal or medial to distal nodes.

Styles

glabrous.

Corollas

pink to purple, adaxial limb darker than abaxial, abaxial limb with yellow markings, bilaterally symmetric, strongly bilabiate;

tube-throat cylindric to funnelform, 7–13 mm, exserted beyond calyx margin;

limb expanded 7–10 mm, bilabiate, 3 abaxial lobes notched, 2 adaxial nearly entire, abaxial limb sparsely bearded.

pink to purple, abaxial limb with 2 yellow palate ridges, bilaterally symmetric, strongly bilabiate;

tube-throat funnelform, 5–10 mm, exserted 2–5 mm beyond calyx margin;

limb expanded 7–13 mm, lobes notched, abaxial limb sparsely bearded.

Fruiting pedicels

ascending to often spreading horizontally, 13–57(–70) mm.

ascending to often spreading horizontally, 10–60 mm.

Fruiting calyces

becoming reddish, campanulate, 3–8 mm, margins distinctly toothed or lobed, minutely puberulent, ribs thickened, lobes pronounced, erect, margins glabrous.

becoming reddish, sometimes red-spotted, campanulate to cylindric, 4–6 mm, margins distinctly toothed or lobed, glabrous or minutely puberulent, ribs weak, lobes pronounced, erect, margins glabrous.

Capsules

included, 3–8 mm.

included, 4–5 mm.

Anthers

included, glabrous.

included or slightly exserted, glabrous.

Stigmas

equal in length to corolla tube or exserted.

Erythranthe hardhamiae

Phenology

Flowering May–Jun.

Flowering Mar–Apr.

Habitat

Moist openings along streams, swales, and depressions, pine duff in yellow pine forests, margins of dry meadows.

Sandy soils near sandstone outcrops and chaparral.

Elevation

1900–2800 m. (6200–9200 ft.)

300–800 m. (1000–2600 ft.)

Distribution

CA; Mexico (Baja California)

[WildflowerSearch map]

Discussion

Erythranthe purpurea is restricted to the San Bernardino Mountains in San Bernardino County and is disjunct in the Sierra San Pedro Mártir in Baja California, Mexico.

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

Erythranthe hardhamiae is endemic to the central coast region in Monterey and San Luis Obispo counties. The species was previously included in E. palmeri but can be distinguished by having a wider limb (16–25 mm) than E. palmeri (8–15 mm) and pale pink flowers with a broad yellow palate and orifice. In contrast, E. palmeri has deep pink flowers with two yellow ridges on the palate.

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

Source

FNA vol. 17, p. 388.

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. 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. 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 purpureus, M. purpureus var. pauxillus

Name authority

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

N. S. Fraga: Aliso 30: 64, figs. 23–25. (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).

Choose a data source: Flora of North America

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Erythranthe purpurea

Erythranthe hardhamiae

Erythranthe purpurea

Erythranthe hardhamiae