Burke: Erythranthe tilingii vs. Erythranthe dentata

	Erythranthe tilingii	Erythranthe dentata
		coastal monkey-flower, tooth-leaved monkey-flower
Habit	Mat-forming perennial from well-developed, creeping rhizomes, often with stolons as well, the stems 0.5-2 dm. tall, mostly glabrous.	Perennial from well-developed, shallow rhizomes, the stems ascending or loosely erect, 1-4 dm. tall, the herbage with stiff, white hairs.
Leaves	Leaves opposite, mostly sessile, the blade under 2.5 cm. long, elliptic to ovate, slightly reduced upward, with a few irregular teeth, sub-palmately veined.	Leaves opposite, serrate, pinnately veined, but the principle lateral veins arising below the middle; leaf blades lance-elliptic to ovate, acute, the lower short-petiolate, the upper sessile, 2-7 cm. long and 1-3.5 cm. wide.
Flowers	Flowers few, solitary in the leaf axils, on long pedicels; calyx 5-toothed, irregular, the upper tooth much the largest, the 2 lower ones tending to fold upward; corolla large for the size of the plant, 2-4 cm. long, strongly bilabiate, with flaring throat, yellow with maroon dots or splotches on the pubescent lower lip; stamens 4.	Flowers few, solitary in the leaf axils, on long pedicels; calyx 8-16 mm. long, 5-angled with spreading hairs along the ribs, the 5 teeth acute, 2-5 mm. long; corolla 2.5-4 cm. long, bilabiate, yellow, the long, strongly-flaring throat often red-dotted, the 5 well-developed lobes sometimes washed with reddish-purple; stamens 4.
Fruit	Capsule.	Capsule.

	Erythranthe tilingii	Erythranthe dentata
Flowering time	July-September	May-September
Habitat	Wet meadows and wet, rocky slopes at high elevations in the mountains.	Stream banks and other moist places to wet places from the lowlands to middle elevations in the mountains.
Distribution	In the Cascade and Olympic Mountains of Washington; Alaska south to California, east to Montana, Colorado and New Mexico. [WildflowerSearch map]	Occurring west of the Cascades crest in Washington; southwestern British Columbia to northern California. [WildflowerSearch map]
Origin		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. lewisii, 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. floribunda, E. grandis, E. guttata, E. inflatula, E. jungermannioides, E. lewisii, E. microphylla, 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 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 tilingii

Erythranthe dentata

coastal monkey-flower, tooth-leaved monkey-flower

Habit

Mat-forming perennial from well-developed, creeping rhizomes, often with stolons as well, the stems 0.5-2 dm. tall, mostly glabrous.

Perennial from well-developed, shallow rhizomes, the stems ascending or loosely erect, 1-4 dm. tall, the herbage with stiff, white hairs.

Leaves

Leaves opposite, mostly sessile, the blade under 2.5 cm. long, elliptic to ovate, slightly reduced upward, with a few irregular teeth, sub-palmately veined.

Leaves opposite, serrate, pinnately veined, but the principle lateral veins arising below the middle;

leaf blades lance-elliptic to ovate, acute, the lower short-petiolate, the upper sessile, 2-7 cm. long and 1-3.5 cm. wide.

Flowers

Flowers few, solitary in the leaf axils, on long pedicels;

calyx 5-toothed, irregular, the upper tooth much the largest, the 2 lower ones tending to fold upward;

corolla large for the size of the plant, 2-4 cm. long, strongly bilabiate, with flaring throat, yellow with maroon dots or splotches on the pubescent lower lip;

stamens 4.

Flowers few, solitary in the leaf axils, on long pedicels;

calyx 8-16 mm. long, 5-angled with spreading hairs along the ribs, the 5 teeth acute, 2-5 mm. long;

corolla 2.5-4 cm. long, bilabiate, yellow, the long, strongly-flaring throat often red-dotted, the 5 well-developed lobes sometimes washed with reddish-purple;

stamens 4.

Fruit

Capsule.