File Size: 88 KB
Dipsacus laciniatus  L.
Clay County, Kansas
Height: 2-10 feet
Family: Dipsacaceae - Teasel Family
Flowering Period:   July, August, September
Also Called: Cut-leaved teasel.
Stems: Erect, stout, rough-hairy, longitudinally ridged.
Leaves: Opposite; basal leaves irregularly cleft; stem leaves once or twice pinnately-divided into stalkless segments; segments not distinct leaflets; margins more or less bristly-fringed; bases of each pair of leaves joined, forming cup-like structure.
Inflorescences: Heads, dense, egg-shaped to cylindrical, 1 to 4 inches tall, 1 to 2 inches wide, terminal on long stalks; involcural bracts mostly lanceolate to linear-lanceolate, 1 to 4.5 inches long, 1/8 to 1/2 inch wide, mostly shorter than mature head, spreading or curved upward, spine-tipped.
Flowers: Calyx small, cup-like; corolla funnelform, about 1/2 inch long, unequally 4-lobed, whitish; stamens 4, projecting conspicuously beyond corolla; bract subtending each flower rigid, long-tapering.
Fruits: Achene, 1/8 inch long, crowned by calyx; seed 1, hairy, grayish-brown.
Habitat: Waste areas, weedy pastures, wet ditches, and roadsides.
Distribution: Principally east 1/2 of Kansas.
Origin: Cutleaf teasel was introduced from Europe.
Comments: See also common teasel Dipsacus fullonum.

Cutleaf teasel inflorescence
97 KB
Clay County, Kansas
Cutleaf teasel flowers
97 KB
Clay County, Kansas
Cutleaf teasel joined leaf bases
111 KB
Clay County, Kansas
Cutleaf teasel
125 KB
Clay County, Kansas
Cutleaf teasel leaves
124 KB
Clay County, Kansas