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Bensoniella oregona

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About Bensoniella (Bensoniella oregona) Bensoniella is a monotypic genus of plants in the saxifrage family containing the single species Bensoniella oregona (also, B. oregana), which is known by the common name Oregon bensoniella, or simply bensoniella. This plant is endemic to the Klamath Mountains of northern California and southern Oregon. This is a plant of the wet forest understory and meadows above 1000 meters in elevation. It is a perennial herb which grows from a rhizome and bears rounded to heart-shaped lobed leaves with woolly petioles and tall, thin racemes of flowers. Each flower is white with bright yellow-pink anthers. The plant produces capsules of abundant seeds but also reproduces vegetatively. When it does reproduce sexually, it often self-pollinates. Bensoniella not endangered but it is a species of some concern for several reasons, including lack of genetic diversity in part due to its habit of self-pollination and asexual reproduction, its relatively narrow tolerance of habitats, its small range of distribution, habitat destruction due to logging, grazing, and road-building, and erosion. The plant was first discovered and named by Lilla Leach.
Plant Description
Plant Type
Perennial herb

Max. Height
0.7 - 1.3 ft (0.21 - 0.4 m)

Flower Color
Pink, Yellow, White

Native Status
Natural Setting
Site Type
Wet meadows, bogs

Part Shade

Elevation ?
2996' - 4729'

Annual Precip. ?
88.3" - 117.7"

Summer Precip. ?
2.24" - 3.52"

Coldest Month ?
39.1° F - 43.4° F

Hottest Month ?
59.3° F - 62.4° F

Humidity ?
2.29 vpd - 11.74 vpd


Landscaping Information
Nursery Availability
Never or Almost Never Available

Other Names
Common Names
Oregon Bensoniella

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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