Flora of North America species comparison

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Erythranthe pulsiferae

Erythranthe inflatula

candelabrum monkey-flower, Pulsifer's monkey-flower

disappearing monkey-flower, ephemeral monkeyflower
Habit Annuals, shallowly fibrous-rooted. Annuals, fibrous-rooted or filiform-taprooted.
Stems

erect, straight at nodes, simple or few-branched at base, 5–12(–18) cm, minutely stipitate-glandular, hairs 0.1–0.3 mm, gland-tipped.

erect to ascending, straight or geniculate at nodes, simple or branched at proximal and medial nodes, 6–20(–25) cm, minutely stipitate-glandular, hairs 0.1–0.3 mm, gland-tipped.
Leaves

basal and cauline;

petiole 2–9 mm, distinctly 3-veined, 2-winged;

blade palmately 3-veined, elliptic-oblong to ovate or oblanceolate, 3–14(–23) × 2–9(–15) mm, base cuneate to attenuate, margins denticulate to entire, apex acute to obtuse, surfaces minutely stipitate-glandular, hairs 0.1–0.3 mm, gland-tipped.

usually cauline, basal usually deciduous by flowering;

petiole: proximals 1–3 mm, distals 0 mm;

blade palmately 3–5-veined, narrowly ovate or narrowly lanceolate to elliptic or elliptic-lanceolate, largest 8–18(–30) × (1–)3–7 mm, relatively even-sized, or slightly reduced distally, base attenuate to obtuse or rounded, margins entire, mucronulate, or denticulate, apex acute to obtuse, surfaces minutely stipitate-glandular, hairs 0.1–0.3 mm, gland-tipped.
Flowers

herkogamous, 1–9, from medial to distal nodes.

plesiogamous, 10–20, from medial to distal nodes.
Styles

glabrous.

glabrous.
Corollas

yellowish, tube-throat, palate ridges, and limb yellow to pale yellow, abaxial limb red-dotted or not, bilaterally symmetric, weakly bilabiate;

tube-throat funnelform, 6–9 mm, exserted beyond calyx margin;

lobes broadly obovate-suborbicular, apex rounded.

yellow to pale yellow, sparsely red-spotted or not, bilaterally symmetric, weakly bilabiate;

tube-throat cylindric, 5–8 mm, exserted 1–3 mm beyond calyx margin;

limb barely widened, lobes broadly obovate, apex rounded or mucronate.
Fruiting pedicels

divergent-arcuate, 12–38 mm, minutely stipitate-glandular, hairs 0.1–0.3 mm, gland-tipped.

straight, 7–18 mm, minutely stipitate-glandular, hairs 0.1–0.3 mm, gland-tipped.
Fruiting calyces

cylindric, ± inflated, 7–10 mm, margins distinctly toothed or lobed, minutely stipitate-glandular, hairs 0.1–0.3 mm, gland-tipped, lobes pronounced, erect.

winged, plicate-angled, maturing ovoid-ellipsoid to campanulate or broadly urceolate, distinctly inflated, 7–11 mm, margins distinctly toothed or lobed, sparsely, minutely hirtellous, eglandular, lobes pronounced, erect.
Capsules

included, 5–8 mm.

included, 5–9 mm.
Anthers

included, glabrous.

included, glabrous.
2n

= 32.

Erythranthe pulsiferae

Erythranthe inflatula
Phenology Flowering Apr–Jul. Flowering Jun–Jul.
Habitat Damp depressions, moist gravel, rocky flats, granite outcrops, wet meadows, lava beds, vernal pools, forest openings, commonly in or near coniferous forests, chaparral-live oak woodlands. Drying edges, banks, and beds of summer-dry watercourses, near drying edges of small lakes or impoundments, often among rocks and shoreline detritus, occasionally in moist protected areas beneath low shrubs.
Elevation 50–1300(–2500) m. (200–4300(–8200) ft.) 1200–1700 m. (3900–5600 ft.)
Distribution
from FNA
CA; OR; WA
[WildflowerSearch map]
from FNA
CA; ID; NV; OR
Discussion

Erythranthe pulsiferae is characterized by minutely stipitate-glandular vestiture (lacking villous hairs), elongate internodes, persistent basal leaves, small, palmately veined, cauline leaves with short, three-veined petioles and elliptic-oblong to ovate or oblanceolate blades, divergent-arcuate pedicels, and small, all yellow, weakly bilabiate corollas.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

No natural occurrences of Erythranthe inflatula are known from Washington; the type collection from Klickitat County is from a cultivated plant.

Morphological and molecular data (R. J. Meinke 1995; P. M. Beardsley et al. 2004) indicate that Erythranthe inflatula originated as a hybrid between E. breviflora and E. latidens. Its geography and biology suggest that it is reproductively stable. The putative parents are geographically and ecologically separated for most of their ranges, and the range of E. inflatula is considerably broader than the relatively small region where the parents are sympatric. In the region of sympatry, however, E. inflatula may be difficult to distinguish from one or both of its putative parents. G. L. Nesom (2012g) was not able to find morphology that would distinguish the recently described Mimulus evanescens from E. inflatula.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 17, p. 398. FNA vol. 17, p. 400.
Parent taxa Phrymaceae > Erythranthe Phrymaceae > Erythranthe
Sibling taxa
E. acutidens, E. alsinoides, E. ampliata, E. androsacea, E. arenaria, E. arenicola, E. arvensis, E. barbata, E. bicolor, E. brachystylis, E. breviflora, E. breweri, E. caespitosa, E. calcicola, E. calciphila, E. cardinalis, E. carsonensis, E. charlestonensis, E. chinatiensis, E. cinnabarina, E. corallina, E. cordata, E. decora, E. dentata, E. diffusa, E. discolor, E. eastwoodiae, E. erubescens, E. exigua, E. filicaulis, E. filicifolia, E. floribunda, E. gemmipara, E. geniculata, E. geyeri, E. glaucescens, E. gracilipes, E. grandis, E. grayi, E. guttata, E. hallii, E. hardhamiae, E. hymenophylla, E. inamoena, E. inconspicua, E. inflatula, E. jungermannioides, E. laciniata, E. latidens, E. lewisii, E. linearifolia, E. marmorata, E. michiganensis, E. microphylla, E. minor, E. montioides, E. moschata, E. nasuta, E. norrisii, E. nudata, E. palmeri, E. pardalis, E. parishii, E. parvula, E. patula, E. percaulis, E. primuloides, E. ptilota, E. purpurea, E. regni, E. rhodopetra, E. rubella, E. scouleri, E. shevockii, E. sierrae, E. suksdorfii, E. taylorii, E. thermalis, E. tilingii, E. trinitiensis, E. unimaculata, E. utahensis, E. verbenacea, E. washingtonensis, E. willisii
E. acutidens, E. alsinoides, E. ampliata, E. androsacea, E. arenaria, E. arenicola, E. arvensis, E. barbata, E. bicolor, E. brachystylis, E. breviflora, E. breweri, E. caespitosa, E. calcicola, E. calciphila, E. cardinalis, E. carsonensis, E. charlestonensis, E. chinatiensis, E. cinnabarina, E. corallina, E. cordata, E. decora, E. dentata, E. diffusa, E. discolor, E. eastwoodiae, E. erubescens, E. exigua, E. filicaulis, E. filicifolia, E. floribunda, E. gemmipara, E. geniculata, E. geyeri, E. glaucescens, E. gracilipes, E. grandis, E. grayi, E. guttata, E. hallii, E. hardhamiae, E. hymenophylla, E. inamoena, E. inconspicua, E. jungermannioides, E. laciniata, E. latidens, E. lewisii, E. linearifolia, E. marmorata, E. michiganensis, E. microphylla, E. minor, E. montioides, E. moschata, E. nasuta, E. norrisii, E. nudata, E. palmeri, E. pardalis, E. parishii, E. parvula, E. patula, E. percaulis, E. primuloides, E. ptilota, E. pulsiferae, E. purpurea, E. regni, E. rhodopetra, E. rubella, E. scouleri, E. shevockii, E. sierrae, E. suksdorfii, E. taylorii, E. thermalis, E. tilingii, E. trinitiensis, E. unimaculata, E. utahensis, E. verbenacea, E. washingtonensis, E. willisii
Synonyms Mimulus pulsiferae Mimulus inflatulus, M. evanescens
Name authority (A. Gray) G. L. Nesom: Phytoneuron 2012-39: 39. (2012) (Suksdorf) G. L. Nesom: Phytoneuron 2012-39: 38. (2012)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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