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Clammy Clover
Trifolium obtusiflorum
  
About Clammy Clover (Trifolium obtusiflorum) Nurseries Show All Photos Trifolium obtusiflorum is a species of clover known by the common name clammy clover. It is native to California in the Peninsular, Transverse, Sierra Nevada, and the California Coast Ranges and Cascade Range into southwestern Oregon. It grows in moist habitat such as marshes and streambanks, and disturbed areas. Trifolium obtusiflorum is an annual herb growing erect in form. It is hairy, glandular, and sticky in texture. The leaves are made up of sharply toothed, pointed oval leaflets up to 4 centimeters in length. The inflorescence is a head of flowers up to 3 centimeters wide with a base of toothed bracts. Each flower has a calyx of sepals with lobes narrowing into bristles. The flower corolla may be nearly 2 centimeters long and is pink and purple with a white tip.
Plant Description
Plant Type
Annual herb

Native Status
Native

Natural Setting
Site Type
Streambanks, moist, disturbed places,

Sun
Sun

Elevation ?
7' - 8913'

Annual Precip. ?
9.7" - 90.0"

Summer Precip. ?
0.15" - 2.66"

Coldest Month ?
33.2° F - 55.3° F

Hottest Month ?
57.6° F - 80.8° F

Humidity ?
0.29 vpd - 29.42 vpd

Landscaping Information
Water Requirement ?
Moderate - High
Extremely Low
Very Low
Low
Moderate - High


Common uses
Bee Gardens

Nursery Availability
Sometimes Available

Other Names
Common Names
Creek Clover



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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