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Erythranthe floribunda

Erythranthe floribunda (Lindl.)�G.L.Nesom

Manyflowered Monkeyflower, Purple-stem Monkey-flower, Many-flowered Monkey-flower, Many Flowered Monkey Flower

Phrymaceae (Lopseed Family)

Synonym(s): Mimulus deltoideus, Mimulus floribundus, Mimulus floribundus ssp. moorei, Mimulus floribundus var. membranaceus, Mimulus floribundus var. subulatus, Mimulus membranaceus, Mimulus multiflorus, Mimulus peduncularis, Mimulus serotinus, Mimulus subulatus, Mimulus trisulcatus

USDA Symbol: ERFL5

USDA Native Status: L48 (N), CAN (N)

"Annuals, fibrous-rooted or filiform-taprooted. Stems erect to decumbent, sometimes procumbent-trailing, straight or geniculate at nodes, simple or many-branched, 3-22(-40) cm, villous-glandular, hairs greatly variable in length and density, gland-tipped, sometimes 0.2-0.5 mm, sparsely stipitate-glandular." (Webref: 38).

"Some plants identified here as Erythranthe floribunda in Arizona and southwestern New Mexico are distinctive in their prominently inflated calyces, sessile to subsessile leaves with attenuate bases and palmately three- to five-veined venation, and much-elongated pedicels (20-43 mm); numerous intermediates in Arizona make it difficult to conclude that the variants represent an entity discontinuous from plants of typical morphology. The variant morphology has not been observed among Mexican populations. Further discussion of this situation was given by G. L. Nesom (2012h).

Erythranthe floribunda has been documented from 12 counties in northern Arkansas (Carroll, Cleburne, Crawford, Franklin, Izard, Johnson, Logan, Newton, Pope, Searcy, Stone, and Washington), where it occurs at 300-500 m. The unpublished name Mimulus floribundus subsp. moorei Iltis appears in various checklists in reference to the Arkansas plants, but there appears to be no basis for treating them as distinct from the rest of the species. Elsewhere in the main range (western states), scattered variants extremely reduced in size, leaves, flowers, and overall stature appear to be at the lower limits of the species rather than taxonomically distinct. " (Webref: 38).

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Plant Characteristics

Duration: Annual
Habit: Herb
Leaf Shape: Ovate
Leaf Pubescence: Glandular
Leaf Margin: Dentate , Serrate
Leaf Apex: Acute
Leaf Base: Cordate , Cuneate , Truncate
Fruit Type: Capsule , Caryopsis
Size Notes: Stems upright or trailing to about 16 inches long, often shorter.
Leaf: "Leaves cauline, basal mostly deciduous by flowering; petiole 1-12 mm; blade pinnately to subpalmately veined, ovate, (3-)8-25(-35) x (1-)5-18(-26) mm, base cuneate to truncate or cordate, margins serrate to sparsely dentate, apex acute, surfaces villous-glandular, hairs greatly variable in length and density, gland-tipped, sometimes 0.2-0.5 mm, sparsely stipitate-glandular." (Webref: 38).
Flower: "Flowers plesiogamous, 1-20, from proximal to distal nodes. Fruiting pedicels 5-20(-26) mm, villous-glandular, hairs greatly variable in length and density, gland-tipped, sometimes 0.2-0.5 mm, sparsely stipitate-glandular. Fruiting calyces greenish or purplish to red-dotted, cylindric, more or less inflated, 4-7 mm, margins distinctly toothed or lobed, villous-glandular, lobes pronounced, erect. Corollas yellow, abaxial limb red-dotted, bilaterally symmetric, weakly bilabiate; tube-throat funnelform-cylindric, (4-)5-10 mm, exserted slightly beyond calyx margin or not; limb expanded 3-4 mm diam., lobes usually oblong, apex notched. Styles glabrous. Anthers included, glabrous." (Webref: 38).
Fruit: "Capsules included, 4-7 mm. 2n = 32." (Webref: 38).

Bloom Information

Bloom Color: Red , Yellow
Bloom Time: May , Jun , Jul , Aug , Sep
Bloom Notes: "Phenology: Flowering (May-)Jun-Aug(-Sep)."� (Webref: 38).

Distribution

USA: AR , AZ , CA , CO , ID , MT , NM , NV , OR , SD , UT , WA , WY
Canada: AB , BC
Native Habitat: "Under overhangs, moist roofs of caves, wet rock crevices, cliff faces and cliff bases, below waterfalls, seeps, springs, humus and moist soils over rocks and slabs, moist slopes, ditches and pond edges, wet edges of creeks and rivers, drying mud on margins of wetland depressions, creek beds, wet or swampy meadows, in pine, pine-fir and spruce-fir woodlands. Elevation: (100-)1800-2600(-3100) m." (Webref: 38).

National Wetland Indicator Status

Region:	AGCP	AK	AW	CB	EMP	GP	HI	MW	NCNE	WMVE
Status:			OBL		OBL	OBL				OBL

This information is derived from: U.S. Army Corps of Engineers. (2023). 2022 National Wetland Plant List, version 3.6. U.S. Army Engineer Research and Development Center, Vicksburg, MS. https://wetland-plants.usace.army.mil/. Click here for map of regions.

Web Reference

Webref 30 - Calflora (2018) Calflora
Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Erythranthe floribunda in USDA Plants
FNA: Find Erythranthe floribunda in the Flora of North America (if available)
Google: Search Google for Erythranthe floribunda

Metadata

Record Modified: 0000-00-00
Research By: Joseph A. Marcus

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