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Maiden Clover
Trifolium microcephalum
About Maiden Clover (Trifolium microcephalum) Nurseries Show All Photos Trifolium microcephalum is a species of clover known by the common names smallhead clover and small-headed clover. It is native to western North America from southern Alaska and British Columbia to California, Montana, Arizona, and Baja California, where it occurs in many types of habitat, becoming common to abundant in some regions. It can grow in disturbed habitat and become a casual roadside weed. Trifolium microcephalum is an annual herb taking a decumbent or erect form. It is coated in hairs. The leaves are made up of oval leaflets with notched tips, each measuring up to 2 centimeters long, and bristle-tipped stipules. The inflorescence is a head of flowers borne in a bowl-like involucre of wide, hairy bracts. The head is not more than a centimeter wide. Each flower has a calyx of sepals with lobes narrowing into hairy bristles. The flower corolla is pinkish or purplish and measures 4 to 7 millimeters in length.
Plant Description
Plant Type
Annual herb

Flower Color

Flowering Season

Native Status

Natural Setting
Site Type
Rocky flats or slopes, with, ridges

Sun, Part Shade

Elevation ?
-247' - 10598'

Annual Precip. ?
5.4" - 94.6"

Summer Precip. ?
0.14" - 3.00"

Coldest Month ?
24.8° F - 58.1° F

Hottest Month ?
46.5° F - 86.7° F

Humidity ?
0.08 vpd - 37.57 vpd

Landscaping Information
Ease of Care
Moderately Easy

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

Common uses
Bee Gardens

Nursery Availability
Rarely Available

Other Names
Common Names
Littlehead Clover, Small-head Clover, Small-headed Clover, Smallhead 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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