Cynanchum laeve
heart-leaf cynanchum, honeyvine, sandvine, climbing milkweed, honeyvine milkweed, blue-vine, sand-vine, climbing milkweed
Family
Asclepiadaceae
Leaf Arrangement
opposite
Leaf Attachment
petiolate
Leaf Margin
entire
Leaf Type
simple
Leaf Shape
linear, lanceolate, cordate, deltoid, ovate
Growth Form
forb, vine
Flower Color
white
Flower Month
June - September
Height (meters)
2.0 - 3.0
Milky Sap
Yes
Armed/Unarmed
Unarmed
Origin
native
Lifespan
perennial
Growing Season
Warm season
Wetland Class
FAC
Prairie Coefficient of Conservatism
3
Field Characters
Heart shaped leaves.
Natural History
Heart-leaf cynanchum is most common in silty clay or sandy soils of low, moist woods and fields. It is a weedy often found climbing on shrubs or fences. It is found throughout north and southeast Louisiana and in coastal and south-central Texas.
Habitat
In silty clay or sand in low moist woods or fields, forest margins, flood plains, disturbed areas, thickets, roadsides.