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Apocynaceae
Asclepias

Asclepias perennis Walter. Common name: Smoothseed Milkweed, Swamp-forest Milkweed, Aquatic Milkweed. Phenology: (Apr-) Jun-Aug; Aug-Sep. Habitat: Cypress-gum swamps, bottomland hardwood forests, marsh. Distribution: Se. NC south to c. peninsular FL, west to e. TX, north in the interior to s. IN and s. IL.

Glossary (beta)

Origin/Endemic status: Endemic

Synonymy : = Ar, C, F, Fl5, FNA14, G, GW2, Il, K4, Mo2, NcTx, RAB, S, Tn, Tx, WH3, Woodson (1954). Basionym: Asclepias perennis Walter 1788

Links to other floras: = Asclepias perennis - FNA14

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: OBL
  • Eastern Mountains and Piedmont: OBL
  • Great Plains: OBL
  • Midwest: OBL
  • Northcentral & Northeast: OBL

Heliophily : 4

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image of plant© Scott Allen Davis, some rights reserved (CC BY), uploaded by Scott Allen Davis source CC-BY | Original Image ⭷
image of plant© Jake Smith, some rights reserved (CC BY-NC), uploaded by Jake Smith source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© Michelle W. (鍾偉瑋), some rights reserved (CC BY), uploaded by Michelle W. (鍾偉瑋) source CC-BY | Original Image ⭷
image of plant© Sonnia Hill | Original Image ⭷
image of plant© Eric M Powell, some rights reserved (CC BY-NC), uploaded by Eric M Powell source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© Matt, some rights reserved (CC BY-NC), uploaded by Matt source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© Diana Soteropoulos, some rights reserved (CC BY-NC), uploaded by Diana Soteropoulos source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© Eric M Powell, some rights reserved (CC BY-NC), uploaded by Eric M Powell source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© Scott Ward | Original Image ⭷
image of plant© Mary Keim, some rights reserved (CC BY-NC-SA) source CC-BY-NC-SA, permission granted to NCBG | Original Image ⭷
image of plant© Alan Cressler: Asclepias perennis, Lower Hillsborough Wildlife Management Area, Hillsborough County, Florida 1 by Alan Cressler source
image of plant© Alan M. Cressler | Original Image ⭷
image of plant© Alan M. Cressler | Original Image ⭷
image of plant© Mary Keim, some rights reserved (CC BY-NC-SA) source CC-BY-NC-SA, permission granted to NCBG | Original Image ⭷
image of plant© Mary Keim, some rights reserved (CC BY-NC-SA) source CC-BY-NC-SA, permission granted to NCBG | Original Image ⭷
image of plant© Gage Barnes, some rights reserved (CC BY-NC), uploaded by Gage Barnes source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© Gage Barnes, some rights reserved (CC BY-NC), uploaded by Gage Barnes source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© Gage Barnes, some rights reserved (CC BY-NC), uploaded by Gage Barnes source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© Diana Soteropoulos, some rights reserved (CC BY-NC), uploaded by Diana Soteropoulos source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© Diana Soteropoulos, some rights reserved (CC BY-NC), uploaded by Diana Soteropoulos source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© Susie Doe, some rights reserved (CC BY-NC-SA), uploaded by Susie Doe source CC-BY-NC-SA, permission granted to NCBG | Original Image ⭷
image of plant© Jake Smith, some rights reserved (CC BY-NC), uploaded by Jake Smith source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© Diana Soteropoulos, some rights reserved (CC BY-NC), uploaded by Diana Soteropoulos source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© Michelle W. (鍾偉瑋), some rights reserved (CC BY), uploaded by Michelle W. (鍾偉瑋) source CC-BY | Original Image ⭷
image of plant© Scott Allen Davis, some rights reserved (CC BY), uploaded by Scott Allen Davis source CC-BY | Original Image ⭷
image of plant© Scott Allen Davis, some rights reserved (CC BY), uploaded by Scott Allen Davis source CC-BY | Original Image ⭷

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Horticultural Information

NCBG trait

Intro: Erect to ascending perennial found in swamp forests.

Stems: Stems several from a woody crown, mostly unbranched, dark purplish-green, smooth below, with a line of hairs above between leaf nodes; leaks milky sap when bruised.

Leaves: Leaves opposite, petiolate, elliptic to lance-shaped, 2 1/2-5 1/2 in. long, waxy-white beneath.

Inforescence:

Flowers: Flowers in umbels at stem top and from upper leaf axils, white (may be tinged pale lavender), about 1/4 in. long, consisting of 5 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 follicle containing tufted seeds.

Comments: The tips of flower buds are pink.

Height: 1-2 ft.

plant sale text:

bloom table text:

description: Erect to ascending perennial found in swamp forests.

stems: Stems several from a woody crown, mostly unbranched, dark purplish-green, smooth below, with a line of hairs above between leaf nodes; leaks milky sap when bruised.

leaves: Leaves opposite, petiolate, elliptic to lance-shaped, 2 1/2-5 1/2 in. long, waxy-white beneath.

inflorescence:

flowers: Flowers in umbels at stem top and from upper leaf axils, white (may be tinged pale lavender), about 1/4 in. long, consisting of 5 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 follicle containing tufted seeds.

comments: The tips of flower buds are pink.

cultural notes:

germination code:

native range:



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