UW Burke Herbarium species comparison

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Erythranthe tilingii

Erythranthe ampliata

Nez Perce 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 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, 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 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 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 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 tilingii

Erythranthe ampliata
Flowering time July-September May-July
Habitat Wet meadows and wet, rocky slopes at high elevations in the mountains. Basalt outcrops and seeps in grasslands.
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 far southeastern Washington; southeastern Washington to western Montana, possibly also in southern British Columbia, southern Alberta, and northwestern Wyoming.
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. 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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