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Asclepias incarnata L.
NCBG PLANT INDEX
image by Stuart, Will
SCIENTIFIC NAME: Asclepias incarnata
FAMILY: APOCYN - Apocynaceae (Dogbane Family)
INTRO: Erect perennial of marshes, bogs, swamps and banks of streams and ponds.
STEMS: Stems solitary or clustered, branched above, smooth to hairy; leaks milky sap when bruised.
LEAVES: Leaves opposite, petiolate, lance-shaped to linear-oblong, 2-6 in. long, smooth to hairy; exudes milky sap when bruised.
FLOWERS: Flowers in umbels at stem and branch ends, dusty-pink to rose-purple (rarely white), fragrant, about 1/4 in. wide, consisting of 5 strongly reflexed corolla lobes and a central crown--composed of 5 2-parted appendages (“hood” and “horn”)--surrounding a complex structure of fused anthers and style.
FRUITS: Fruit a minutely hairy, spindle-shaped follicle containing tufted seeds.
COMMENTS: A host plant for Monarch butterflies. Two varieties are often recognized in our area: var. incarnata and var. pulchra. Consult the technical manuals in the Appendix for distinguishing characteristics.
HEIGHT: 3-6 ft.
BLOOM TIME: July-Sep
BLOOM COLOR: Pink
FRUITING PERIOD: Aug-Oct.
HABITAT TYPE: Bogs/pocosins, Bottomlands
NATIVE RANGE: most of continental U.S. & Canada
Plant Sale Text: Swamp milkweed’s fragrant dusty-pink flowers attract butterflies in droves. Each intricate flower has five delicately curved petals. Swamp milkweed grows on the banks of streams and ponds, and in flood plains. It tolerates a wide range of growing conditions varying from standing water to soils that never completely dry out. Over time, its shallow rootstocks will
eventually colonize an area. Milkweeds are a host plant for Monarch butterflies and supports up to 12 species of lepidoptera.
Sun, Part Shade
MINIMUM HARDINESS ZONE: 3
MAXIMUM HARDINESS ZONE: 9
Bee Friendly, Butterfly Friendly
USDA PLANTS DATABASE
USDA Symbol: ASIN
USDA Common Name: Swamp Milkweed
Native Status: L48 (N), CAN (N)
Distribution: USA (AL, AR, CO, CT, DC, DE, FL, GA, IA, ID, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MT, NC, ND, NE, NH, NJ, NM, NV, NY, OH, OK, PA, RI, SC, SD, TN, TX, UT, VA, VT, WI, WV, WY), CAN (MB, NB, NS, ON, PE, QC)
Growth Habit: Forb/herb
NATIONAL WETLAND INDICATOR STATUSThis information is derived from the U.S. Army Corps of Engineers 2016 National Wetland Plant List, Version 3.3 (Lichvar, R.W., D.L. Banks, W.N. Kirchner, and N.C. Melvin. 2016. The National Wetland Plant List: 2016 wetland ratings. Phytoneuron 2016-30: 1-17. Published 28 April 2016. ISSN 2153 733X). Regions: AGCP-Atlantic and Gulf Coastal Plain, AK-Alaska, AW-Arid West, CB-Caribbean, EMP-Eastern Mountains and Piedmont, GP-Great Plains, HI-Hawaii, MW-Midwest, NCNE-Northcentral and Northeast, WMCV-Western Mountains, Valleys & Coast
ABOUT FAMILY (Weakley Flora)
Apocynaceae A.L. de Jussieu 1789 (Dogbane Family)
SUMMARY: As here circumscribed including the Asclepiadaceae, a family of about 480 genera and about 4800 species, lianas, shrubs, herbs, and trees, widespread in tropical and temperate areas. There appears to be overwhelming evidence favoring the combination of the Asclepiadaceae into the Apocynaceae; see, for instance, Rosatti (1989), Sennblad & Bremer (1996), and many others.
REFERENCE: Rosatti (1989); Liede (1997a).
ABOUT GENUS (Weakley Flora)
Asclepias Linnaeus 1753 (Milkweed)
SUMMARY: A genus of about 100 species, herbs, temperate and tropical, of North and Central America.
REFERENCE: Woodson (1954)=Z; Turner (2009b)=Y; Farmer & Bell (1985)=X.
SERNEC: Find Asclepias incarnata in Southeast Regional Network of Experts and Collections (if available)
UNC SERNEC: Find Asclepias incarnata in
University of North Carolina Chapel Hill Herbarium - Southeast Regional Network of Experts and Collections (if available)
USDA: Find Asclepias incarnata in USDA Plants
NPIN: Find Asclepias incarnata in NPIN Database
FNA: Find Asclepias incarnata in the Flora of North America (if available)
Google: Search Google for Asclepias incarnata
ID IMAGE1: 19302
ID IMAGE2: 0
ID IMAGE3: 19302
Include in WOTAS: 1
Publish to Web: 1
Last Modified: 2018-09-25
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