BUR CUCUMBER
File Size: 45 KB
 
Sicyos angulatus  L.
Konza Prairie, Riley County, Kansas
Annual
Height: Vine to 10 feet long
Family: Cucurbitaceae - Cucumber Family
Flowering Period:   August, September
Stems: Prostrate or climbing vine, sticky-hairy; climbs via forked tendrils.
Leaves: Alternate, simple, thin, circular in outline, up to 8 inches long and wide, surfaces rough, margins minutely toothed; lobes 3-5, shallow, tips pointed; base with deep sinus; stalks 1 to 3 inches long.
Inflorescences: Monoecious (staminate and pistillate flowers on same plant); pistillate flowers in long-stalked, head-like cluster in leaf axils; staminate flowers in axillary racemes and corymbs from same leaf axils.
Flowers: Calyx small, inconspicuous, 5-toothed; corolla 5-lobed, white to pale yellow; stamens and anthers united in column.
Fruits: Egg-shaped, yellowish, 1/3 to 1/2 inch long, dry, usually covered with prickly bristles, pubescent, in clusters of 3-5; seeds 1, flattened, smooth, olive-green.
Habitat: Stream banks, thickets, edges of lowland woods, ditches, brushy waste areas, and roadsides; damp soils.
Distribution: East 1/2 of Kansas.
Comments: Bur cucumber is a fast growing native vine. It provides cover for upland game birds and songbirds.

Bur cucumber leaves
94 KB
Konza Prairie, Riley County, Kansas
Bur cucumber flowers
51 KB
Konza Prairie, Riley County, Kansas
Bur cucumber
116 KB
Konza Prairie, Riley County, Kansas
Bur cucumber leaf
61 KB
Marshall County, Kansas
Bur cucumber fruit
61 KB
Marshall County, Kansas
Bur cucumber flower
37 KB
Marshall County, Kansas