Burke: Erythranthe washingtonensis vs. Erythranthe dentata

	Erythranthe washingtonensis	Erythranthe dentata
	Washington monkey-flower	coastal monkey-flower, tooth-leaved monkey-flower
Habit	Annuals with fibrous roots or threadlike taproot; stems 5-25 cm, erect to ascending, straight or sharply bent at nodes, typically heavily branched, not angled; puberulent- to villous-glandular, flattened gland-tipped hairs 0.1-0.8 mm, sometimes transparent.	Perennial from well-developed, shallow rhizomes, the stems ascending or loosely erect, 1-4 dm. tall, the herbage with stiff, white hairs.
Leaves	Leaves cauline, basal ones not persistent; petioles 2-14 mm; blade triangular to ovate to narrowly ovate, 4-16 mm long and 2-11 mm broad, palmate venation, base rounded to cuneate to truncate, margins finely toothed or entire, apex acute, surfaces hairy-glandular as stems.	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	Axillary flowers 1-6, emerging from nodes throughout; fruiting pedicels 20-50 mm, densely covered with minute stalked glands; calyx greenish, ridged, tubular, slightly inflated, 6-8 mm, margins toothed or lobed, covered with minute stalked glands, lobes pronounced, erect; corollas yellow with small reddish brown dots, lower limb with two whitish patches, symmetric bilaterally, bilabiate; tube-throat funnel-shaped and 8-10 mm, protruding beyond calyx margin; limb expanded 7-10 mm, lobes obovate-oblong, apex rounded to somewhat cuneate; styles hispid-hirtellous; anthers not protruding, glabrous.	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(s)	Capsules 5-8.5 mm, included.	Capsule.

	Erythranthe washingtonensis	Erythranthe dentata
Flowering time	April-June	May-September
Habitat	Shallow or gravelly soils of vernally moist areas at low elevations.	Stream banks and other moist places to wet places from the lowlands to middle elevations in the mountains.
Distribution	Occurring east of the cascades crest in the Columbia River Gorge in Washington; south-central Washington to adjacent north-central Oregon. [WildflowerSearch map]	Occurring west of the Cascades crest in Washington; southwestern British Columbia to northern California. [WildflowerSearch map]
Origin	Native	Native
Conservation status	Historical in Washington (WANHP)	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. 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: OR, WA Local Web sites: 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 dentata

Washington monkey-flower

coastal monkey-flower, tooth-leaved monkey-flower

Habit

Annuals with fibrous roots or threadlike taproot; stems 5-25 cm, erect to ascending, straight or sharply bent at nodes, typically heavily branched, not angled; puberulent- to villous-glandular, flattened gland-tipped hairs 0.1-0.8 mm, sometimes transparent.

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

Leaves

Leaves cauline, basal ones not persistent;

petioles 2-14 mm;

blade triangular to ovate to narrowly ovate, 4-16 mm long and 2-11 mm broad, palmate venation, base rounded to cuneate to truncate, margins finely toothed or entire, apex acute, surfaces hairy-glandular as stems.

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

Axillary flowers 1-6, emerging from nodes throughout; fruiting pedicels 20-50 mm, densely covered with minute stalked glands;

calyx greenish, ridged, tubular, slightly inflated, 6-8 mm, margins toothed or lobed, covered with minute stalked glands, lobes pronounced, erect;

corollas yellow with small reddish brown dots, lower limb with two whitish patches, symmetric bilaterally, bilabiate;

tube-throat funnel-shaped and 8-10 mm, protruding beyond calyx margin;

limb expanded 7-10 mm, lobes obovate-oblong, apex rounded to somewhat cuneate;

styles hispid-hirtellous;

anthers not protruding, glabrous.

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(s)

Capsules 5-8.5 mm, included.

Capsule.