ENGELMANN'S MILKWEED
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| File Size: 273 KB |
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Asclepias engelmanniana Woods.
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| Scott County, Kansas |
| Perennial |
| Height: 16-80 inches |
| Family: Apocynaceae - Dogbane Family |
| Flowering Period: June, July, August, September |
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| Stems: | | Erect, simple or sparsely branched above. | | Leaves: | | Mostly alternate or nearly opposite; petiole absent; blade linear, 2.4 to 8 inches long, .04 to .12 inch wide, tip gradually tapering to a slender point. | | Inflorescences: | | Umbel-like cymes, 3-15, terminal and axillary, 10-35-flowered. | | Flowers: | | .28 to .4 inch long, .2 to .35 inch wide; calyx lobes 5, lanceolate to ovate-acuminate, .08 to .16; corolla pale green tinged purple, lobes 5, reflexed, elliptic-lanceolate, .18 to .25 inch; hoods 5, green or yellowish green, strongly ascending, .09 to .13 inch, margins with a pair of longitudinal flaps, apex truncate or notched; horns absent; gynostegium short-stipitate, .08 to .1 inch tall, .12 to .14 inch wide. | | Fruits: | | Pods, narrowly spindle-shaped, 3.2 to 4.8 inches long, .5 to .7 inch wide, smooth, glabrous or puberulent; seeds obovate, .28 to .35 inch; tufted with white to tan hairs, 1.2 to 1.6 inch. | | Habitat: | | Rocky to sandy mixed-grass and shortgrass prairies. | | Distribution: | | West 1/2 of Kansas | | Origin: | | Native | | Comments: | | Plants glabrous or sparsely puberulent, not glaucous; sap milky. Asclepias, for Aesculapius, Greek god of medicine and engelmanniana, for American botanist George Engelmann. |
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| Engelmann's milkweed |  | | 243 KB | | Scott County, Kansas |
| | Engelmann's milkweed habit |  | | 304 KB | | Scott County, Kansas |
| | Engelmann’s milkweed leaves |  | | 269 KB | | Scott County, Kansas |
| | Engelmann’s milkweed |  | | 133 KB | | Scott County, Kansas |
| | Engelmann’s milkweed inflorescences |  | | 92 KB | | Grant County, Kansas (Marion McGlohon photo) |
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