Burke: Erythranthe tilingii vs. Erythranthe patula

	Erythranthe tilingii	Erythranthe patula
		stalk-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.	Annuals with fibrous roots or a filiform-taproot; stems usually 5-15 cm, erect to ascending, straight or sharply bent at nodes, usually unbranched, covered with stalked glands, gland-tipped hairs 0.2-0.5 mm.
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 cauline, basal ones not persistent; petioles 8-25 mm; blade deltate or somewhat ovate to lanceolate, approximately 4-12 mm long and 3-10 mm broad, palmate venation with 3 veins, base rounded to cuneate-truncate, margins usually finely toothed, apex acute to obtuse, surfaces glabrous as stems.
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.	Axillary flowers 1-10, emerging from nodes throughout; fruiting pedicels 10-25 mm, glandular as stems; calyx tubular, barely or not inflated, 5-6 mm, margins with distinct teeth or lobes, slightly stipitate-glandular to sparsely hirtellous, lobes pronounced, erect; corollas yellow, lower limb commonly with some red or brownish dots, symmetric radially or bilaterally, regular or weakly bilabiate; tube-throat funnel-shaped, 7-8 mm, protruding beyond calyx margin; lobes oblong, apex rounded to truncate; styles glabrous; anthers not protruding, glabrous.
Fruit(s)	Capsule.	Capsules 4-6 mm, included.

	Erythranthe tilingii	Erythranthe patula
Flowering time	July-September	May-July
Habitat	Wet meadows and wet, rocky slopes at high elevations in the mountains.	Vernally moist areas, seeps, and stream banks from the lowlands to the middle elevations.
Distribution	In the Cascade and Olympic Mountains of Washington; Alaska south to California, east to Montana, Colorado and New Mexico. [WildflowerSearch map]	Occurring east of the Cascades crest in southeastern Washington; southeast Washington to adjacent northeast Oregon and adjacent west-central Idaho. [WildflowerSearch map]
Origin		Native
Conservation status	Not of concern	Threatened 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, 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. microphylla, E. moschata, E. nasuta, 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, 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 patula

stalk-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.

Annuals with fibrous roots or a filiform-taproot; stems usually 5-15 cm, erect to ascending, straight or sharply bent at nodes, usually unbranched, covered with stalked glands, gland-tipped hairs 0.2-0.5 mm.

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 cauline, basal ones not persistent;

petioles 8-25 mm;

blade deltate or somewhat ovate to lanceolate, approximately 4-12 mm long and 3-10 mm broad, palmate venation with 3 veins, base rounded to cuneate-truncate, margins usually finely toothed, apex acute to obtuse, surfaces glabrous as stems.

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.

Axillary flowers 1-10, emerging from nodes throughout; fruiting pedicels 10-25 mm, glandular as stems;

calyx tubular, barely or not inflated, 5-6 mm, margins with distinct teeth or lobes, slightly stipitate-glandular to sparsely hirtellous, lobes pronounced, erect;

corollas yellow, lower limb commonly with some red or brownish dots, symmetric radially or bilaterally, regular or weakly bilabiate;

tube-throat funnel-shaped, 7-8 mm, protruding beyond calyx margin;

lobes oblong, apex rounded to truncate;

styles glabrous;

anthers not protruding, glabrous.

Fruit(s)

Capsule.

Capsules 4-6 mm, included.