UW Burke Herbarium species comparison

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Erythranthe moschata

Erythranthe ampliata

musk-flower, musk-plant

Nez Perce monkey-flower
Habit Perennial from well-developed rhizomes, the lax stems 0.5-7 dm. long, often freely branching; herbage viscid-villous with flattened, shining white hairs, usually slimy, often musk-scented. Annuals with fibrous roots or threadlike taproot; stems 5-17 cm, erect to ascending, straight or sharply bent at nodes, typically heavily branched, 4-angled, sparse coverage of nearly unstalked glands, gland-tipped hairs to 0.2 mm.
Leaves

Leaves opposite, remotely toothed, pinnately veined, sessile or short-petiolate, the blade ovate to elliptic-ovate, 1-8 cm. long and 7-35 mm. wide.

Leaves cauline, basal leaves not persistent; petiolate, 8-20 mm;

blade broad-ovate to lanceolate, 8-25 mm long and 5-19 mm broad, venation palmate, wedge-shaped base, margins toothed or somewhat finely toothed, apex acute to obtuse, surfaces glandular and hairy as stems.
Flowers

Flowers solitary in the leaf axils on long pedicels;

calyx 7-13 mm. long, viscid-villous, especially on the 5 rib angles, the 5 teeth pointed, 2-4 mm. long, the upper tooth a little larger than the others;

corolla 1.5-3 cm. long, yellow, often with some dark lines or dots, only slightly bilabiate, the tube nearly cylindrical;

stamens 4.

Axillary flowers 1-10, emerging from nodes throughout; fruiting pedicels glandular-hairy as stems, 10-22 mm;

calyx tubular-campanulate, sometimes weakly inflated, 6-8 mm, margins with distinct serration or lobes, sparsely covered with minute stalked glands or not;

corolla yellow with occasional small white patches, lower limb with several brownish spots, bilaterally symmetric and distinctly bilabiate;

tube-throat broadly funnel-shaped, generally 8-12 mm, protruding beyond calyx margin;

lobes obovate-oblong with rounded or truncate apexes;

styles glabrous;

anthers not protruding, glabrous.
Fruit(s)

Capsule.

Capsules 5-6 mm, included.

Erythranthe moschata

Erythranthe ampliata
Flowering time May-August May-July
Habitat Stream banks, moist meadows and seeps, low to middle elevations in the mountains. Basalt outcrops and seeps in grasslands.
Distribution
Occurring chiefly east of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains; also in eastern North America.
[WildflowerSearch map]
Occurring east of the Cascades crest in far southeastern Washington; southeastern Washington to western Montana, possibly also in southern British Columbia, southern Alberta, and northwestern Wyoming.
Origin Native 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. nasuta, E. patula, E. primuloides, E. ptilota, E. pulsiferae, E. scouleri, E. suksdorfii, E. washingtonensis
E. alsinoides, 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
Web links 
Unless otherwise noted, all data comes from the University of Washington's Burke Herbarium.



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