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Chylismia brevipes

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About Yellow Cups (Chylismia brevipes) Chylismia brevipes is a species of wildflower in the Onagraceae (Evening Primrose) family that is native to the American desert southwest. It is known by the common names Yellow Cups, Mojave Suncup, and Golden Suncup. This is a hairy annual with tall stems often reaching over half a meter in height and surrounded by basal leaves which may be simple or composed of several leaflets. It produces an flower cluster which has one to several blooms in it. The flowers are bright yellow, often with reddish speckling at the base of each petal. The center of the flower has a long pistil and several shorter stamens with large anthers. The fruits are hanging capsules which may be several centimeters long.
Plant Description
Plant Type
Perennial herb, Annual herb

Max. Height
1.6 - 2.5 ft (0.49 - 0.8 m)

Flower Color
Yellow, Red

Native Status

Natural Setting
Site Type
Sandy or rocky slopes, washes,

Sun, Part Shade

Elevation ?
-226' - 9659'

Annual Precip. ?
1.8" - 30.4"

Summer Precip. ?
0.19" - 3.45"

Coldest Month ?
26.8° F - 63.1° F

Hottest Month ?
50.5° F - 90.0° F

Humidity ?
2.83 vpd - 47.01 vpd


Landscaping Information
Nursery Availability
Never or Almost Never Available

Other Names
Botanical Names
Camissonia brevipes

Common Names
Mojave Suncup, Golden Suncup

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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