Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Lamiids: Gentianales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Asclepias michauxii
FAMILY
Apocynaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
See diagrams of milkweed flower structure at Wayne's Word.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Asclepias michauxii
FAMILY
Asclepiadaceae
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 157-01-014:
Asclepias michauxii FAMILY Asclepiadaceae
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Asclepias michauxii
COMMON NAME:
Michaux's Milkweed
To see larger pictures, click or hover over the thumbnails.
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Alan S. Weakley asw_1630366457426144
April FL
Apalachicola National Forest
Corolla lobes strongly reflexed; the "horns" long and pointy, per Wildflowers of the Atlantic Southeast (Cotterman, Waitt, & Weakley, 2019).
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JK Marlow jkm160415_102
April Turner County GA
Stem simple or branching once at base, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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JK Marlow jkm160415_102b
April Turner County GA
Leaves opposite to subopposite, numerous, linear, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
JK Marlow jkm160415_130
April Turner County GA
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JK Marlow jkm160415_131
April Turner County GA
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Will Stuart wil_7116503053_db5ca8b79e
April Charleston County SC
Francis Marion National Forest
The leaves are considerably more stout than those of A. verticillata. — Will Stuart
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Will Stuart wil_7116505683_9b9257e270
April Charleston County SC
Francis Marion National Forest
Blossoms have very visible horns, whereas those of A. longifolia lack horns. — Will Stuart
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Asclepias michauxii
FAMILY
Apocynaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Asclepias michauxii
FAMILY
Asclepiadaceae
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 157-01-014:
Asclepias michauxii
FAMILY
Asclepiadaceae
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Asclepias michauxii
3560
Forb
Perennial
Habitat: pine savannas, per Weakley's Flora
Native to South Carolina & Georgia
Common in GA, uncommon in SC
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
DOES THE PLANT HAVE "MILKY SAP"?
Has milky sap (latex)
LEAVES:
Simple
Opposite or subopposite
FLOWER:
Spring
Greenish-white lobes tipped with purplish rose
Radially symmetrical
5-merous
5-lobed corolla
Superior ovary
Bisexual
Flowers in a terminal umbel
FRUIT:
Follicle
TO LEARN MORE about this plant, look it up in a good book!
- Guide to the Wildflowers of SC, 2nd ed. (McMillan, Porcher, Rayner, & White; 2022) p374
- Wildflowers of the Atlantic Southeast (Cotterman, Waitt, & Weakley, 2019) p362
- Field Guide to the Wildflowers of Georgia (Chafin, 2016) p049
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