Spreading dogbane

Apocynum androsaemifolium

"Apocynum androsaemifolium", the fly-trap dogbane or spreading dogbane, is a flowering plant in the Gentianales order. The plant is common in North America, and is widespread across most of the United States and Canada, and in Alaska, California, and northeast Mexico.
Spreading Dogbane This is a picture of spreading dogbane at Leakin Park in Baltimore City, Maryland. Apocynum androsaemifolium,Geotagged,Spreading dogbane,Spring,United States

Appearance

"Apocynum androsaemifolium" has branching stems, hairs on the underside of the leaves, and no hair on the stems. Milky sap appears on broken stems.

Leaf margin is entire and leaf venation is alternate. Its leaves appear as pointed ovals, while its flowers appear terminally on a stalk.

The plant is poisonous, due to the cardiac glycosides it contains.
Tiny pink bells Apocynum androsaemifolium,Geotagged,Spreading dogbane,Summer,United States

Naming

Subspecies and varieties include:
# "Apocynum androsaemifolium" subsp. "androsaemifolium" - E Canada, W United States
# "Apocynum androsaemifolium" var. "griseum" Bég. & Belosersky - Ontario, British Columbia, Washington State, Oregon, Idaho, Indiana, Michigan
# "Apocynum androsaemifolium" var. "incanum" A.DC. - widespread in Canada, United States, NE Mexico
# "Apocynum androsaemifolium" var. "intermedium" Woodson - Colorado
# "Apocynum androsaemifolium" subsp. "pumilum" B.Boivin - British Columbia, Washington State, Oregon, Idaho, California, Utah, Montana, Wyoming, Nevada
# "Apocynum androsaemifolium" var. "tomentellum" B.Boivin - British Columbia, Washington State, Oregon, Idaho, California, Nevada
# "Apocynum androsaemifolium" var. "woodsonii" B.Boivin - Alberta, British Columbia, Washington State, Wyoming, Nevada, Idaho

References:

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Taxonomy
KingdomPlantae
DivisionAngiosperms
ClassEudicots
OrderGentianales
FamilyApocynaceae
GenusApocynum
SpeciesA. androsaemifolium
Photographed in
United States of America