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Ephemeral Monkeyflower
Mimulus evanescens
About Ephemeral Monkeyflower (Mimulus evanescens) 0 Nurseries Carry This Plant Mimulus evanescens is a rare species of monkeyflower known by the common name disappearing monkeyflower. It is native to the western United States, where it is known from about ten locations in and around the Great Basin within the states of Idaho, Oregon, and California. Specimens of the plant had been catalogued as Mimulus breviflorus, but on further examination it was evident that they were a separate, unclassified species; this was described to science in 1995. It is thought that the plant may have evolved via hybridization between M. breviflorus and M. latidens, or that M. evanescens evolved from M. latidens and then into M. breviflorus. M. evanescens is a succulent annual herb coated with tiny glandular hairs and having a somewhat slimy texture. The thin stems grow mostly erect to a maximum height near 25 centimeters. The leaves are lance-shaped to oval and up to 4 centimeters long by 3 wide. The flowers are small and barely open, their tubular bases enclosed in a ribbed calyx of sepals which becomes papery and inflated as the fruits mature. The flower is less than a centimeter long and is mostly yellow in color, sometimes with brownish dots in the throat.
Plant Description
Plant Type
Plant Type
Annual herb

2.4 - 9.8 in tall

Flower Color
Flower Color

Wildlife Supported

Butterflies & moths hosted ( 4 likely * ) SHOW ALL

Landscaping Information
Common uses
Common uses
Hummingbird Gardens, Butterfly Gardens, Bee Gardens

Natural Setting
Annual Precipitation: 13.3" - 16.8", Summer Precipitation: 1.22" - 1.43", Coldest Month: 32.5" - 33.8", Hottest Month: 59.1" - 60.3", Humidity: 1.55" - 15.35", Elevation: 4687" - 5289"

Alternative Names
Common Names: Disappearing Monkeyflower

Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links:   Jepson eFlora Taxon Page  CalPhotos  Wikipedia  Calflora

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