Burke: Erythranthe lewisii vs. Erythranthe microphylla

	Erythranthe lewisii	Erythranthe microphylla
	great purple monkey-flower	small-leaved monkey-flower
Habit	Perennial from stout, branching rhizomes, the stout stems clustered, 3-10 dm. tall; herbage viscid-villous.	Annuals with fibrous roots; stems usually 5-30 cm, erect, unbranched or many-branched from nodes nearest base, not angled or distinctly 4-angled, glabrous below inflorescence, distal portions of stems sometimes hirtellous with hairs that are occasionally deflexed, sometimes mixed with stipitate glands or occasionally only short villous-glandular.
Leaves	Leaves opposite, sessile, with several prominent veins from the base, irregularly dentate to entire, the lower ones reduced; leaves lanceolate to ovate or elliptic, acute, 3-7 cm. long and 1-3.5 cm. wide.	Leaves basal and cauline, basal leaves occasionally deciduous by flowering; petioles 3-5 mm from base to mid-stem, becoming sessile and nearly clasping to perfoliate distally; blade commonly somewhat purple, narrowly ovate to ovate to elliptic to nearly orbicular, 10-35 mm long and 3-25 mm broad, palmate venation with 3-5 veins, base rounded to wedge or nearly heart-shaped, margins more or less crenate or nearly serrate with 5-10 teeth per side, basal and lower cauline leaves irregularly incised near base becoming nearly lyrate; apex acute to obtuse-rounded, surfaces glabrous or with sparse to moderate coverage of small rigid hairs, eglandular.
Flowers	Flowers solitary in the leaf axils on pedicels 3-6 cm. long; calyx 1.5-2.5 cm. long, the 5 teeth sharp-pointed and equal; corolla showy, purplish-pink, marked with yellow, 3.5-5 cm. long, strongly bilabiate; stamens 4.	Axillary flowers 1-8, emerging from nodes towards ends of stems; fruiting pedicels 8-30 mm, hairy-glandular as stems; calyx nodding at 30-90 degrees, occasionally somewhat reddish or red-dotted, ovoid-campanulate to widely cylindric-campanulate, inflated, compressed across sagittal plane, usually 9-16 mm, hirtellous or glabrous, throat closing weakly or strongly; corollas yellow to dark yellow to orangish yellow, typically with red spots, lower limb occasionally with large red splotch, symmetric bilaterally, bilabiate; tube-throat widely funnel-shaped, 8-16 mm, protruding 2-6 mm beyond calyx margin; limb expanded 8-25 mm, palate villous; styles slightly hirtellous; anthers not protruding, glabrous.
Fruit(s)	Capsule.	Capsules 6-9 mm, included.

	Erythranthe lewisii	Erythranthe microphylla
Flowering time	June-August	April-July
Habitat	Common in wet meadows and along rivers and streams from middle to high elevations in the mountains, occasionally found along low elevation rivers.	Rocky slopes, wet meadows, streambanks, and seeps from lowland areas to middle elevations in the mountains.
Distribution	Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to Montana, Wyoming and Colorado. [WildflowerSearch map]	Occurring on both sides of the Cascades crest in Washington; central British Columbia to California, east to western Idaho and Nevada. [WildflowerSearch map]
Origin	Native	Native
Conservation status	Not of concern	Not of concern
Sibling taxa	E. alsinoides, E. ampliata, E. arvensis, E. breviflora, E. breweri, E. caespitosa, E. cardinalis, E. decora, E. dentata, E. floribunda, E. grandis, E. guttata, E. inflatula, E. jungermannioides, E. microphylla, E. moschata, E. nasuta, E. patula, E. primuloides, E. ptilota, E. pulsiferae, E. scouleri, E. suksdorfii, E. washingtonensis	E. alsinoides, E. ampliata, E. arvensis, E. breviflora, E. breweri, E. caespitosa, E. cardinalis, E. decora, E. dentata, E. floribunda, E. grandis, E. guttata, E. inflatula, E. jungermannioides, E. lewisii, E. moschata, E. nasuta, E. patula, E. primuloides, E. ptilota, E. pulsiferae, E. scouleri, E. suksdorfii, E. washingtonensis
Web links	Local floras: BC, CA, OR, WA Local Web sites: CalFlora, CalPhotos, Flora NW, PNW Herbaria WildflowerSearch iNaturalist (observations) LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search	Local floras: BC, CA, OR, WA Local Web sites: CalFlora, CalPhotos, Flora NW, PNW Herbaria WildflowerSearch iNaturalist (observations) LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search

Erythranthe microphylla

great purple monkey-flower

small-leaved monkey-flower

Habit

Perennial from stout, branching rhizomes, the stout stems clustered, 3-10 dm. tall; herbage viscid-villous.

Annuals with fibrous roots; stems usually 5-30 cm, erect, unbranched or many-branched from nodes nearest base, not angled or distinctly 4-angled, glabrous below inflorescence, distal portions of stems sometimes hirtellous with hairs that are occasionally deflexed, sometimes mixed with stipitate glands or occasionally only short villous-glandular.

Leaves

Leaves opposite, sessile, with several prominent veins from the base, irregularly dentate to entire, the lower ones reduced;

leaves lanceolate to ovate or elliptic, acute, 3-7 cm. long and 1-3.5 cm. wide.

Leaves basal and cauline, basal leaves occasionally deciduous by flowering;

petioles 3-5 mm from base to mid-stem, becoming sessile and nearly clasping to perfoliate distally;

blade commonly somewhat purple, narrowly ovate to ovate to elliptic to nearly orbicular, 10-35 mm long and 3-25 mm broad, palmate venation with 3-5 veins, base rounded to wedge or nearly heart-shaped, margins more or less crenate or nearly serrate with 5-10 teeth per side, basal and lower cauline leaves irregularly incised near base becoming nearly lyrate;

apex acute to obtuse-rounded, surfaces glabrous or with sparse to moderate coverage of small rigid hairs, eglandular.

Flowers

Flowers solitary in the leaf axils on pedicels 3-6 cm. long;

calyx 1.5-2.5 cm. long, the 5 teeth sharp-pointed and equal;

corolla showy, purplish-pink, marked with yellow, 3.5-5 cm. long, strongly bilabiate;

stamens 4.

Axillary flowers 1-8, emerging from nodes towards ends of stems; fruiting pedicels 8-30 mm, hairy-glandular as stems;

calyx nodding at 30-90 degrees, occasionally somewhat reddish or red-dotted, ovoid-campanulate to widely cylindric-campanulate, inflated, compressed across sagittal plane, usually 9-16 mm, hirtellous or glabrous, throat closing weakly or strongly;

corollas yellow to dark yellow to orangish yellow, typically with red spots, lower limb occasionally with large red splotch, symmetric bilaterally, bilabiate;

tube-throat widely funnel-shaped, 8-16 mm, protruding 2-6 mm beyond calyx margin;

limb expanded 8-25 mm, palate villous;

styles slightly hirtellous;

anthers not protruding, glabrous.

Fruit(s)

Capsule.

Capsules 6-9 mm, included.