UW Burke Herbarium species comparison

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Erythranthe geyeri

Erythranthe alsinoides

chickweed monkey-flower, wing-stem monkey-flower
Habit Annual, glandular-hairy to somewhat glabrous (smooth), growing to 0.5-3 dm. in height. The plants are slender, and have either a simple or freely-branching form. Often found growing in uniformly dense patches. The stems frequently appear somewhat reddish.
Leaves

Opposite, slightly to evidently-toothed, 3-5 prominent veins on the upper surface. The blades are 0.5-2.5 cm. long, with a petiole of more or less equal length.
Flowers

The yellow corollas fuse to form an upper and lower lip (bilabiate), and grow 8-14 mm. long. A conspicuous reddish-brown blotch is found on the lower and sometimes the upper lip. Individual flowers are attached to the stem by a long pedicel.
Fruit

Capsule.

Erythranthe geyeri

Erythranthe alsinoides
Identification notes The reddish-brown blotch on the lower lip is very diagnostic along with its annual life cycle and tendency to be found in moss mats. The middle lobe of the lower lip tends to be the longest and somewhat curved backwards (deflexed). The lower two teeth of the calyx tend to be more rounded and longer than the upper three calyx teeth.
Flowering time April-June
Habitat Shady, vernally (springtime) moist places on cliffs and ledges, especially at low elevations; often growing in moss mats.
Distribution
[WildflowerSearch map]
Occurring on both sides of the Cascades crest in Washington; British Columbia to California.
[WildflowerSearch map]
Origin Native
Conservation status 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. primuloides, E. ptilota, E. pulsiferae, E. scouleri, E. suksdorfii, E. washingtonensis
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
Web links 
Unless otherwise noted, all data comes from the University of Washington's Burke Herbarium.



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