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Knotweed Spineflower
Chorizanthe polygonoides
About Knotweed Spineflower (Chorizanthe polygonoides) 0 Nurseries Carry This Plant Chorizanthe polygonoides is a species of flowering plant in the buckwheat family known by the common name knotweed spineflower. It is native to California and Baja California, where it grows widely scattered in many types of habitat. It is a petite plant taking a prostrate form with stems just a few centimeters long at maximum. It may be green to red in color and is hairy in texture. The leaves are no more than a centimeter long and the flower is under two millimeters wide. The minute flower is surrounded by three hairy point-tipped bracts.
Plant Description
Plant Type
Plant Type
Annual herb

0.36 - 1.9 in tall

Flower Color
Flower Color
Green, Red

Wildlife Supported

Butterflies & moths hosted ( 1 likely * ) SHOW ALL

Landscaping Information
Natural Setting
Annual Precipitation: 8.6" - 66.2", Summer Precipitation: 0.21" - 2.70", Coldest Month: 33.4" - 56.0", Hottest Month: 62.6" - 80.8", Humidity: 0.80" - 28.97", Elevation: 22" - 5356"

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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