BLUNT-LEAF MILKWEED
File Size: 160 KB
 
Asclepias amplexicaulis  E.B. Sm.
Ottawa County, Kansas
Perennial
Height: 8-32 inches
Family: Apocynaceae - Dogbane Family
Flowering Period:   May, June, July
Also Called: Sand milkweed.
Stems: Erect, stout, mostly solitary, unbranched, glabrous, waxy.
Leaves: Mostly opposite, simple, sessile, thick, broadly ovate or elliptic-oblong, 1.5 to 5 inches long, .75 to 3 inches wide, glabrous, waxy, pale green; bases heart-shaped, clasping; margins wavy, usually minutely pubescent; tips blunt, midribs terminating in short, abrupt points.
Inflorescences: Umbels, solitary, on stout stalks 1 to 12 inches long, 18-60-flowered, terminal.
Flowers: 5-parted, about .75 inch tall, on slender stalks 1 to 1.75 inch long; calyx lobes lanceolate, green to purple-tinged, lanceolate, glabrous; corolla lobes lanceolate, green or greenish purple, glabrous, curved back and downward; hoods erect to slightly spreading, oblong, pinkish to pale flesh-colored; horns incurved, longer than hoods, conspicuously protruding.
Fruits: Pods, spindle-shaped, 3.5 to 6 inches long, 1/3 to 2/3 inch wide, mostly glabrous, waxy, usually erect on downward-curved stalks; seeds egg-shaped, tufted with white or tan hairs at tips.
Habitat: Prairies, roadsides, and open woods, on sandy soils.
Distribution: East 2/3 of Kansas.
Comments: Formerly treated as Asclepiadaceae - Milkweed Family.

Blunt-leaf milkweed flowers
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Ottawa County, Kansas
Blunt-leaf milkweed
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Ottawa County, Kansas
Blunt-leaf milkweed flowers
120 KB
Ottawa County, Kansas
Blunt-leaf milkweed pods
145 KB
Ottawa County, Kansas