CUTLEAF TEASEL
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| File Size: 88 KB |
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Dipsacus laciniatus L.
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| Clay County, Kansas |
| Biennial |
| Height: 2-10 feet |
| Family: Dipsacaceae - Teasel Family |
| Flowering Period: July, August, September |
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| 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. |
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| 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 |
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