California Native Plant Society
Tap map to see plants native to location
Boerhavia coulteri
Please enter either the common name or the botanical name of any native California plant species to see it's plant record

Coulter's Spiderling
  • Added Add to My Plant List
Boerhavia coulteri

Zoom To My AddressZoom To California Estimated Plant Range

About Coulter's Spiderling (Boerhavia coulteri) Boerhavia coulteri is a species of flowering plant in the four o'clock family known by the common name Coulter's spiderling. It is native to the southwestern United States and northern Mexico, particularly the desert areas. This is an annual herb producing an erect or creeping stem up to about 70 or 80 centimeters in maximum length. They are slightly hairy and have sticky resin glands toward the bases. The leaves are lance-shaped to somewhat triangular, pointed, sometimes wavy or rippled along the edges, and 5 centimeters in maximum length. Most of the leaves grow from the lower half of the plant. The sticky inflorescence is a small cluster of tiny white to pale pink flowers, each under two millimeters long. The fruit is an elliptical body a few millimeters in length with longitudinal ribs. The fruits are borne in small clusters.
Plant Description
Plant Type
Annual herb

Flower Color
Pink, White

Native Status

Natural Setting
Elevation ?
360' - 5456'

Annual Precip. ?
3.6" - 17.4"

Summer Precip. ?
0.63" - 2.73"

Coldest Month ?
43.4° F - 59.6° F

Hottest Month ?
67.3° F - 88.0° F

Humidity ?
2.72 vpd - 40.76 vpd

Landscaping Information
Nursery Availability
Never or Almost Never Available

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

Sign in to your Calscape Account X

Once signed in, you'll be able to access any previously saved plant lists or create new ones.

Email Address

Sign In

Copyright © 1999-2014 California Native Plant Society. All rights reserved.