Burke: Erythranthe washingtonensis

	Erythranthe washingtonensis
	Washington 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.
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.
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.
Fruits	Capsules 5-8.5 mm, included.

	Erythranthe washingtonensis
Flowering time	April-June
Habitat	Shallow or gravelly soils of vernally moist areas at low elevations.
Distribution	Occurring east of the cascades crest in the Columbia River Gorge in Washington; south-central Washington to adjacent north-central Oregon. [WildflowerSearch map]
Origin	Native
Conservation status	Historical in Washington (WANHP)
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
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

Erythranthe washingtonensis

Washington 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.

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.

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.

Fruits

Capsules 5-8.5 mm, included.