UW Burke Herbarium species comparison

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Erythranthe patula

Erythranthe floribunda

stalk-leaved monkey-flower

purple-stem monkey-flower
Habit Annuals with fibrous roots or a filiform-taproot; stems usually 5-15 cm, erect to ascending, straight or sharply bent at nodes, usually unbranched, covered with stalked glands, gland-tipped hairs 0.2-0.5 mm. Erect to nearly prostrate annual, the stem usually branched, 0.5-2.5 dm. tall; herbage more or less glandular and pubescent, tending to be slimy as well.
Leaves

Leaves cauline, basal ones not persistent;

petioles 8-25 mm;

blade deltate or somewhat ovate to lanceolate, approximately 4-12 mm long and 3-10 mm broad, palmate venation with 3 veins, base rounded to cuneate-truncate, margins usually finely toothed, apex acute to obtuse, surfaces glabrous as stems.

Leaves opposite, deltoid-ovate to sub-cordate, dentate or denticulate, sub-palmate or nearly pinnately veined, the blade 1-3 cm. long, the petiole shorter.
Flowers

Axillary flowers 1-10, emerging from nodes throughout; fruiting pedicels 10-25 mm, glandular as stems;

calyx tubular, barely or not inflated, 5-6 mm, margins with distinct teeth or lobes, slightly stipitate-glandular to sparsely hirtellous, lobes pronounced, erect;

corollas yellow, lower limb commonly with some red or brownish dots, symmetric radially or bilaterally, regular or weakly bilabiate;

tube-throat funnel-shaped, 7-8 mm, protruding beyond calyx margin;

lobes oblong, apex rounded to truncate;

styles glabrous;

anthers not protruding, glabrous.

Flowers solitary in the leaf axils on long pedicels;

calyx 4-8 mm. long, the 5 acute, equal teeth less than 2 mm. long;

corolla yellow with some red dots, 6-14 mm. long, only slightly bilabiate, the lips about equal and only slightly flaring, the throat with pubescence on the lower side;

stamens 4.
Fruit(s)

Capsules 4-6 mm, included.

Capsule.

Erythranthe patula

Erythranthe floribunda
Flowering time May-July May-October
Habitat Vernally moist areas, seeps, and stream banks from the lowlands to the middle elevations. Moist open places at moderate elevations in the mountains.
Distribution
Occurring east of the Cascades crest in southeastern Washington; southeast Washington to adjacent northeast Oregon and adjacent west-central Idaho.
[WildflowerSearch map]
Occurring east of the Cascades crest and west into the Columbia River Gorge in Washington; southern British Columbia to Mexico, east to the Rocky Mountains.
[WildflowerSearch map]
Origin Native Native
Conservation status Threatened in Washington (WANHP) 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. primuloides, 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. 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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