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

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