UW Burke Herbarium species comparison

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Erythranthe primuloides

Erythranthe guttata

primrose monkey-flower

seep monkey-flower, yellow monkey-flower
Habit Mat-forming perennial from long, thin rhizomes, the stem lax, up to 6 cm. long. A highly variable species, either annual from fibrous roots, or perennial with stolons or rhizomes, the stems from less than a decimeter to nearly a meter high.
Leaves

Leaves opposite, crowded near the ground, short-hairy abaxially (underside), viscid to glabrous adaxially (upperside);

leaves oblanceolate, sessile, nearly entire, 3-nerved from the base, 7-25 mm. long and 3-11 mm. wide.

Leaves opposite, soft and often somewhat succulent, the blades from quite small to nearly 1 dm. long, irregularly dentate, ovate to reniform-cordate;

leaves nearly palmately veined, the 3-7 main veins arising near the base; lower leaves petiolate, becoming sessile upward, those of the inflorescence reduced and clasping.
Flowers

Flowers solitary on slender pedicels up to 10 cm. long arising from the leaf clusters;

calyx narrow, 4-8 mm. long, mostly glabrous, the 5 teeth short, equal;

corolla yellow, often dotted with maroon, 1-2 cm. long, scarcely bilabiate, the 5 lobes spreading, shallowly notched, the throat somewhat flaring;

stamens 4.

Flowers several to many in terminal racemes, on long pedicels, or solitary in dwarf forms;

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

corolla 1-4 cm. long, strongly bilabiate, with flaring throat, yellow with maroon dots or splotches on the pubescent lower lip;

stamens 4.
Fruit

Capsule.

Capsule.

Erythranthe primuloides

Erythranthe guttata
Flowering time June-August March-September
Habitat Wet meadows and boggy areas at middle to high elevations in the mountains. Wet places, from sea level to middle elevations in the mountains.
Distribution
Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to Montana, Utah, Arizona, and New Mexico.
[WildflowerSearch map]
Widely distributed on both sides of the Cascades crest in Washington; Alaska to California, east to the northern Great Plains.
[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. lewisii, E. microphylla, E. moschata, E. nasuta, E. patula, 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. 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 
Unless otherwise noted, all data comes from the University of Washington's Burke Herbarium.



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