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Nodding beggar-ticks

Also known as: nodding bur-marigold, stick-tight

Bidens cernua L.

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Nodding beggar-ticks
Nodding beggar-ticks
Nodding beggar-ticks
Nodding beggar-ticks leaf
Nodding beggar-ticks leaves
Nodding beggar-ticks
Nodding beggar-ticks
Nodding beggar-ticks heads
Nodding beggar-ticks inflorescence
Nodding beggar-ticks leaves
Nodding beggar-ticks inflorescence

Morphology

Stem
Erect or loosely ascending, branched, mostly glabrous; often rooting at lower nodes.
Leaves
Opposite or occasionally lowermost in whorls of 3, simple, sessile, linear-lanceolate to oblanceolate, 1.6 to 8+ inches long.4 to 1.8 inch wide; margins finely to coarsely toothed or sometimes nearly entire; surfaces glabrous; tip usually tapering to long point; base wedge-shaped to rounded, usually united around stem.
Inflorescence
Heads, solitary or several in loose, open clusters, 1 to 2.4 inches across, erect or nodding; stalks .4 to 4 inches long; disk .5 to .8 inch across; outer involucral bracts 5-10, narrowly lanceolate or linear-elliptic, .25 to 1.8 inches long, unequal, leaf-like, spreading or bent downward; margins entire; inner bracts 6-9, lanceolate to narrowly ovate, 1/6 to 1/2 inch long.
Flower
Ray florets 6-9, (rarely absent), conspicuous, 1/3 to 2/3 inch long, yellow; disk florets 40-150, 1/8 to 1/6 inch long, orangish-yellow.
Fruit
Achene, narrowly wedge-shaped, 1/5 to 1/3 inch long, flattened, purplish-brown to purplish-black, 4-angled, with rounded projections and downward pointed barbs, tipped with 2-4 barbed awns, 1/8 to 1/6 inch long, enclosing small seed.

Ecology

Habitat
Low, wet sites, stream and river banks, pond and lake margins, ditches, seeps, marshes; wet soil.
Distribution
Throughout Kansas

Additional Notes

Comments

Nodding beggar-ticks is weedy.

Quick Facts
Plant Type
Wildflower
Family
Asteraceae - Sunflower Family
Life Span
Annual
Height
8-100 inches
Origin
Native
Last Updated
2010-12-31
Color Groups
Yellow Wildflowers
Flowering Period
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Blooms: August, September, October