APOCYNACEAE

Apocynum androsaemifolium - plant in flower; note opposite leaves and paired follicles L/S (D.L. Nickrent 2002)

Asclepias curassavica - flower showing pollinia L/S (D.L. Nickrent, K.R. Robertson 2002)

Asclepias curassavica - flower showing 2 distinct ovaries, fused at top portion of styles (D.L. Nickrent, K.R. Robertson 2002)

Asclepias syriaca - flower with fly leg caught in stigmatic slit (K.R. Robertson 2002)

Asclepias syriaca - flowers and cut pedicels showing milky sap (W.S. Judd 2002)

Asclepias viridis - flower cut-away showing 2 distinct ovaries, fused at top portion of styles (K.R. Robertson 2002)

Asclepias tuberosa - follicular fruit with hairy seeds (K.R. Robertson 2002)