Apocynaceae, s.l. - Dogbane/Milkweed family (Greek
for "away from dog," in reference to past use of some taxa as a dog
poison). 411 genera / 4,650 species.
The Apocynaceae, s.l.
• 5-merous perianth/androecium,
• the gynoecium usually with 2 carpels,
• ovaries distinct in some taxa with styles connate
(in Asclepiadoids androecium adnate to single stigma
forming a gynostegium and pollen fused to form pollinia,
each half derived from an adjacent anther),
K (5) C (5) A 5 or (5) G (2) [(-8)], superior, rarely halfinferior.