UW Burke Herbarium species comparison

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Erythranthe primuloides

Erythranthe breweri

primrose monkey-flower

Brewer's monkey-flower
Habit Mat-forming perennial from long, thin rhizomes, the stem lax, up to 6 cm. long. Slender annual, the stem simple or sparingly branched, up to 15 cm. tall, purplish tinged and covered with stalked glands.
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, linear to linear-oblanceolate, 1-2 cm. long and 1-4 mm. wide.
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 solitary in the leaf axils, the pedicels usually longer than the calyx;

calyx 5-lobed, 5-angled, the lobes short with prominent mid-veins;

corolla light purple to nearly red, slightly bilabiate, 5-10 mm. long and up to 2 mm. wide;

stamens 4.
Fruit

Capsule.

Capsule.

Erythranthe primuloides

Erythranthe breweri
Flowering time June-August June-August
Habitat Wet meadows and boggy areas at middle to high elevations in the mountains. Dry to moist open woods and meadows from middle elevations in the mountains to the subalpine.
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]
Occurring chiefly east of the Cascades crest in Washington; British Columbia to California, east to Montana, Wyoming, and Utah.
[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. 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
Web links 
Unless otherwise noted, all data comes from the University of Washington's Burke Herbarium.



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