Learn about the comparison among Convolvulaceae, Solanaceae and Scrophulariaceae.
Comparison # Convolvulaceae:
1. Habit-Annual or perennial herbs; trees rare.
2. Leaf-Simple, palmatisect or entire, exstipulate, alternate.
3. Inflorescence-Cymose.
4. Flower-Actinomorphic, regular, hermaphrodite, hypogynous.
5. Calyx-Sepals 5, poly or gamosepalous usually persistent.
6. Corolla-Petals 5, gamopetalous, infundibuliform or campanulate.
7. Androecium-Stamens five, free, epipetalous unequal.
8. Gynoecium-Carpels (2), placed medianally.
9. Ovary-2 or 4-celled, with axile placentation, ovules anatropous, or 2 in each loculus.
10. Fruit- Capsule, rarely berry.
Comparison # Solanaceae:
1. Habit-Herbs, shrubs or small trees.
2. Leaf-Simple, entire or pinnatifid, alternate, exstipulate.
3. Inflorescence-Cymose.
4. Flower-Regular, rarely irregular, zygomorphic, hermaphrodite, hypogynous.
5. Calyx-Sepals 5, gamosepalous persistent becoming enlarged in fruit.
6. Corolla-Petals 5, gamopetalous, rotate or infundibuliform.
7. Androecium-Stamens 5, free, epipetalous.
8. Gynoecium-Carpels (2), obliquely placed.
9. Ovary-2-celled or more due to false septa, placentation axile, ovules many.
10. Fruit- Berry, rarely capsule.
Comparison # Scrophulariaceae:
1. Habit-Herbs or small shrubs.
2. Leaf-Simple, alternate or opposite or whorled. exstipulate.
3. Inflorescence-Racemose, simple receme or spike or sometime cymose.
4. Flower-Zygomorphic, bisexual, hypogynous.
5. Calyx-Sepals 5, gamosepalous, deeply lobed.
6. Corolla-Petals 5, fused bilabiate, spurred or rotate.
7. Androecium-Stamens 4, didynamous, rarely 5 or 2, epipetalous.
8. Gynoecium-Carpels (2), placed medianally.
9. Ovary-2-celled, axile placentation, ovules many.
10. Fruit- Capsule, rarely berry.