Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Lamiids: Gentianales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Asclepias perennis
FAMILY
Apocynaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Aquatic Milkweed at Vascular Plants of North Carolina.
See diagrams of milkweed flower structure at Wayne's Word.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Asclepias perennis
FAMILY
Asclepiadaceae
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 157-01-002:
Asclepias perennis FAMILY Asclepiadaceae
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Asclepias perennis
COMMON NAME:
Swamp Milkweed, Swampforest Milkweed, Swamp White Milkweed, Aquatic Milkweed
To see larger pictures, click or hover over the thumbnails.
John B. Nelson jbn_5745134374_99a0cca6bf
May
Flowers in 1-2" wide axillary umbels, hoods with prominent protruding horns, per Atlantic Coastal Plain Wildflowers (Nelson, 2006).
JK Marlow jkm190702_9701
July Greenville County SC
In cultivation
The 12-24" stems are conspicuously leafy, per Atlantic Coastal Plain Wildflowers (Nelson, 2006).
JK Marlow jkm190702_9702
July Greenville County SC
In cultivation
Leaves elliptic to lanceolate, 6-12cm long, 1-3cm wide, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Asclepias perennis
FAMILY
Apocynaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Asclepias perennis
FAMILY
Asclepiadaceae
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 157-01-002:
Asclepias perennis
FAMILY
Asclepiadaceae
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Asclepias perennis
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