Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Lamiids: Gentianales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Asclepias quadrifolia
FAMILY
Apocynaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Fourleaf Milkweed at Vascular Plants of North Carolina.
See diagrams of milkweed flower structure at Wayne's Word.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Asclepias quadrifolia
FAMILY
Asclepiadaceae
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 157-01-009:
Asclepias quadrifolia FAMILY Asclepiadaceae
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Asclepias quadrifolia
COMMON NAME:
Fourleaf Milkweed
To see larger pictures, click or hover over the thumbnails.
JK Marlow jkm070526_052
May Polk County NC
A slender delicate plant with thin ovate-lanceolate leaves, per Wildflowers of the Southern Mountains (Smith, 1998).
JK Marlow jkm120505_329
May Rabun County GA
Chattahoochee National Forest
Upper and lower leaves opposite & small; middle usually a whorl of 4 & large, per Wildflowers of Tennessee (Carman, 2005).
JK Marlow jkm120517_813
May Yancey County NC
Blue Ridge Parkway
Hood opening very oblique, the hood therefore scoop-shaped, per Weakley's Flora.
JK Marlow jkm120517_842
May Yancey County NC
Blue Ridge Parkway
Leaves ovate or ovate-lanceolate to elliptic, 4-12cm long, membranous, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
Richard and Teresa Ware rtw_a_quadrifolia_8
May
Corolla lobes reflexed; corona spreading, its horns shorter than its hoods, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Asclepias quadrifolia
FAMILY
Apocynaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Asclepias quadrifolia
FAMILY
Asclepiadaceae
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 157-01-009:
Asclepias quadrifolia
FAMILY
Asclepiadaceae
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Asclepias quadrifolia
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