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Poison Canyon Stickseed
Hackelia brevicula
About Poison Canyon Stickseed (Hackelia brevicula) 0 Nurseries Carry This Plant Hackelia brevicula is a species of flowering plant in the borage family known by the common name Poison Canyon stickseed. It is native to the Inyo and White Mountains which are located in California east of the Sierra Nevada and extend just into Nevada. The plant grows in the dry open, scrubby, and forested habitat of these mountains. It is a perennial herb 20 to 60 centimeters tall and coated thinly in stiff hairs. Most of the leaves are located around the base of the plant, reaching up to 18 centimeters long; there are a few smaller leaves on the stem itself. The inflorescence is an open array of branches, each a coiling panicle of flowers. Each flower is just over a centimeter wide with light blue lobes with white appendages at the bases. The fruit is a cluster of nutlets which are often prickly.
Plant Description
Plant Type
Plant Type
Perennial herb

0.7 - 2 ft tall

Flower Color
Flower Color

Landscaping Information
Natural Setting
Annual Precipitation: 16.6" - 22.2", Summer Precipitation: 1.86" - 2.56", Coldest Month: 20.3" - 27.6", Hottest Month: 38.5" - 51.2", Humidity: 1.99" - 11.25", Elevation: 9125" - 13094"

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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