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 Leaves Stephen Hale @http://swbiodiversity.org, Usage Rights: CC BY-NC (Attribution-Non-Commercial) |  Plant Russ Kleinman @http://swbiodiversity.org, Usage Rights: CC BY-NC (Attribution-Non-Commercial) | | | | |
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Origin:
Native
Life Cycle:
Annual
General Desc:
Simple branching, erect or ascending; narrow to somewhat broadened leaves, with slightly toothed or smooth edges, flower clusters at the top of the plant; sharply 4-sided seeds.
Identification notes: Stems often straight; leaves narrow to broadened, margins toothed or smooth, opposite, often alternate toward end of stems; bracts form cups at branch tips, have petal-like appendages, glands, male flowers, 1 female flower; capsules hairy; 4-sided seeds.
Height:
to 2 feet
Habitat Description: Dry areas.
Plant Communities:
Interior Chaparral, Semidesert Grasslands, Pinyon Juniper Woodland, Montane Conifer Forest
Elevation: 3000 - 8000 feet
Color:
White
Shape:
Regular in round clusters
Tubular:
N
Flowering Period:
Aug - Oct
Description:
Male and female flowers on same plant in clusters at tip of the branches, female flower surrounded by male flowers; flower clusters surrounded by green, pale green, white, or mauve cup-shaped bracts with white petal-like appendages.
Leaf Color:
Green
Leaf Type:
Simple
Leaf Shape:
Narrow
Leaf Margin:
Smooth
Leaf Attachment:
Alternate and opposite
Leaves Clasp:
N
Hairs:
Stems
Spines:
N
Leaf Description:
Stems have stiff, straight, flat hairs with gland-like appendages at base of stalk; leaves 1 to 2-3/4 inches long, mostly opposite, lower ones sometimes alternate; lance-like or oblanceolate (tapering toward the stem); margins smooth or slightly toothed.
Fruit Type: Capsule
Fruit Notes: Capsules covered with short stiff hairs; ovaries covered by layer of fine hairs.
Seed Notes: Seeds sharply 4-sided.
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