Learn about the comparison between Bignoniaceae and Acanthaceae.

Comparison # Bignoniaceae:

1. Habit-Woody tree or climber.

2. Leaf-Compound, pinnate, no cystoliths.

3. Calyx-5, sepal, gamosepalous.

4. Corolla-Petals 5, bilabiate or infundibuliform.

5. Androecium-Stamens 4, epipetalous, 5th posterior staminode.

6. Gynoecium-Carpels 2, syncarpous.

7. Placentation-Axile or parietal.

8. Fruit-Capsule.

9. Seed-Winged.

Comparison # Acanthaceae:

1. Habit-Herbs.

2. Leaf-Simple, cystoliths present.

3. Calyx-Sepals 4-5, gamosepalous or reduced.

4. Corolla-Petals 5-4, gamopetalous, bilabiate 5-lobed.

5. Androecium-Stamens 4 (2+2) didynamous, or epipetalous.

6. Gynoecium-Carples 2, syncarpous.

7. Placentation-Placentation axile.

8. Fruit-Capsule, explosive, rarely drupe.

9. Seed-Seeds wingless.

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