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Wildflowersthreatened and/or endangeredMilkweed

1-16 of 16 Wildflowers page: 1
White-stemmed Milkweed
Asclepias albicans

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Spider Antelope-horns
Asclepias asperula

Spider Antelope-horns is a clump-forming, 1-2 ft. perennial with an upright or sprawling habit. Its… read more

California Milkweed
Asclepias californica

Native perennial forb. A flowering perennial with thick, white, woolly stems which bend or run along… read more

Narrowleaf Milkweed
Asclepias fascicularis

A 1-2 1/2 ft. perennial with several erect stems and narrow, whorled leaves. Several 4-5 in. wide f… read more

Pinewoods Milkweed
Asclepias humistrata

The smooth, stout, unbranched stems of this milkweed generally occur in spreading clusters which asc… read more

Swamp Milkweed
Asclepias incarnata

Native herbaceous perennial. Upright, 3 to 5 feet tall, with thick, fleshy, white roots. Typically, … read more

Red Milkweed
Asclepias lanceolata

Native herbaceous perennial, erect, to 4 feet tall. Flower: orange, several, densely-flowered, mos… read more

Showy Milkweed
Asclepias speciosa

Native herbaceous perennial. Hairy, erect perennial. The large, pointed, bananalike leaves are arran… read more

Poison Milkweed
Asclepias subverticillata

Native herbaceous perennial. Multiple slender erect stems on stout semi-woody semi-rhizomatous roots… read more

Prairie Milkweed
Asclepias sullivantii

One to several stout, erect stems, 2-3 ft. tall, bear large, domed clusters of pink or pinkish-white… read more

Common Milkweed
Asclepias syriaca

Native herbaceous perennial. Grows to 6 feet tall from a rhizome. The stem and all parts of the plan… read more

Butterfly Weed
Asclepias tuberosa

Native perennial. Habit: bushy. Height: 1-3 ft. Large, flat-topped clusters of bright-orange flowers… read more

White Milkweed
Asclepias variegata

Native herbaceous perennial. Single stem, 1 to 4 feet tall. Leaves: Opposite; oval, 2-6 in long,… read more

Whorled Milkweed
Asclepias verticillata

Whorled Milkweed is a single-stemmed, unbranched perennial, 1-3 ft. tall. The narrow, linear leaves… read more

European Swallow-worts
Cynanchum rossicum/Cynanchum louiseae (Vincetoxicum medium/Vincetoxicum nigrum)

Introduced. Upright or twining vines that bear milkweed-like seed pods that split open to reveal cot… read more

Climbing Milkweed
Funastrum cynanchoides (Sarcostemma cynanchoides)

Native perennial climbing vine with whitish flowers. It is found at lower to middle elevation near f… read more

1-16 of 16 Wildflowers page: 1