Learn about the comparison between Apocynaceae and Asclepiadaceae.
Comparison # Apocynaceae:
1. Habit-Plant herbs or shrubs with latex.
2. Leaves-Simple, opposite-decussate or whorled, exstipulate.
3. Inflorescence-Generally cymose rarely solitary.
4. Flower-Complete, hermaphrodite, actinomorphic, hypogynous.
5. Calyx-Sepals 4-5, gamosepalous, imbricate.
6. Corolla-Petals 5, gamopetalous, infundibuliform, twisted.
7. Corona-Sometimes present.
8. Androecium-Stamens 5, polyandrous, epipetalous, pollinia and translators absent.
9. Gynoecium-Carpels 2, syncarpous, placentation marginal or axile, stigma drum shaped.
10. Fruit-Variable i.e. capsule, drupe, berry, or follicle.
11. Floral formula
Comparison # Asclepiadaceae:
1. Habit-Plants herbs or shrubs or climbers with latex.
2. Leaves-Simple, opposite- decussate, exstipulate.
3. Inflorescence-Usually cymose umbel, sometimes recemose.
4. Flower-Same.
5. Calyx-Sepals 5, polysepalous, valvate or contorted.
6. Corolla-Petals 5, gamopetalous, or slightly fused at the base.
7. Corona-Present.
8. Androecium-Stamens 5, adnate to gynoecium and forming gynostegium, pollinia and translators present.
9. Gynoecium-Carpels 2, syncarpous, placentation marginal, stigmatic disc 5 angled, united with the anthers to form gynotegium.
10. Fruit-Aggregate, an etaerio of follicles.
11. Floral formula