Clasping Milkweed

Asclepias amplexicaulis

''Asclepias amplexicaulis'', the clasping milkweed, is a species of flowering plant in the subfamily Asclepiadoideae. It is endemic to the United States, where it is mostly found east of the Great Plains. It grows in dry prairies, savannas, open woods, and fallow fields, usually in sandy soil.
Asclepias amplexicaulis This is a picture of Asclepias amplexicaulis at Fort Smallwood Park in Pasadena, Maryland. Asclepias amplexicaulis,Geotagged,Spring,United States

Appearance

It grows 1–3 ft high and produces flowers in the summer.

References:

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Taxonomy
KingdomPlantae
DivisionAngiosperms
ClassEudicots
OrderGentianales
FamilyApocynaceae
GenusAsclepias
SpeciesA. amplexicaulis