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Learn about the comparison between Acanthaceae and Lamiaceae.
Comparison # Acanthaceae:
1. Habit-Herbs or shrubs with swollen nodes.
2. Leaves-Opposite decussate and simple. Cystolith generally present.
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3. Inflorescence-Spike or cymose, Bracts and bracteoles prominent.
4. Flower-Zygomorphic, hermaphrodite and hypogynous.
5. Calyx- Sepals 5, gamosepalous, unequal in size.
6. Corolla- Petals 5, gamopetalous, personate.
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7. Androecium- Stamens 2 or 2+2 epipetalous.
8. Gynoecium-Carpels 2, syncarpous, superior. Ovary biloculed with axile placentation, 8 to many ovules in each locule.
9. Style-Simple terminal.
10. Fruit-Capsule.
11. Seed-Seeds with jaculators.
12. Floral formula-
Comparison # Lamiaceae (Labiatae):
1. Habit-Herbs or shrubs with squarish stem.
2. Leaves-Simple, opposite and decussate.
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3. Inflorescence-Verticillaster.
4. Flower-Zygomorphic, hermaphrodite, hypogynous.
5. Calyx- Sepals 5, fused, bilabiate, persistent.
6. Corolla- Petals 5, gamopetalous, bilabiate.
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7. Androecium- Stamens 2+2 or 2 only, epipetalous.
8. Gynoecium-Carpels 2, syncarpous, superior. Ovary tetralocular, axile placentation, each locule with one ovule.
9. Style-Gynobasic.
10. Fruit-Schizocarpic carcerulus.
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11. Seed-Jaculator absent.
12. Floral formula-
