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 Leaves and flowers |  Plant | | | | |
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Origin:
Native
Life Cycle:
Annual, biennial or perennial
General Desc:
Slender, moderately branched with erect or ascending stems, 12 to 24 inches tall; leaves alternate, smooth, toothed or pinnatifid; flower heads small; ray flowers white or purplish, disc flowers yellow; both ray and disc flowers perfect.
Identification notes: Stems erect or weakly ascending, simple, no hairs to densely hairy and glandular; leaf bases towards end of stem wedge-shaped to slightly heart-shaped, sometimes slightly clasping; involucres (bracts below the flower heads) rounded overall, 1/3 inch tall
Height:
12 to 24 inches
Habitat Description: Wet or occasionally flooded habitats, stream banks, lakeshores, ditches, fields, disturbed areas.
Plant Communities:
Riparian, Disturbed Areas
Elevation: 1500 - 5000 feet
Color:
White, purplish, yellow
Shape:
Regular in round clusters
Tubular:
N
Flowering Period:
Jun - Sep
Description:
Flower heads solitary at tips of branches; ray florets 20 to 40, disc florets 40 to 75; ray flowers (strap-shaped), 1/4 inch long, purplish; bracts lance-like, 1/8 to 1/4 inch high, outer bracts oblong, green, narrow, minutely and closely glandular
Leaf Color:
Green
Leaf Type:
Simple
Leaf Shape:
Narrow
Leaf Margin:
Smooth
Leaf Attachment:
Alternate
Leaves Clasp:
Y
Hairs:
Leaves and stems
Spines:
N
Leaf Description:
Leaves narrow to oblong, stemless, to 1-1/2 inches long, smooth or slightly toothed, sparsely hairy.
Fruit Type: Achene
Fruit Notes: Achenes more or less compressed, slightly striate (long, thin lines), sparsely appressed-hairy; ray achenes without pappus, disc achenes with pappus of capillary bristles about as long as the achenes.
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