Question

How to distinguish between fabaceae,caeslpiniaceae,mimoaceae?

Answer 1

Answer: Comparison # Papilionaceae:

1. Habit-Mostly herbs, rarely shrubs and a few trees.

2. Leaves-Imparipinnate.

3. Inflorescence-Racemose.

4. Flower-Zygomorphic.

5. Calyx-Sepals 5, gamosepalous, odd sepal anterior.

6. Corolla-Pelals 5, papilionaceous, with posterior largest, standard, 2 lateral wings and 2 anterior united keel. Aestivation descending imbricate or vexillary.

7. Androecium-Stamens 10, usually diadelphous (9)+1, rarely monadelphous.

8. Gynoccium-Monocarpellary, unilocular, marginal placentation.

9. Fruit-Legume

10. Floral formula-

Comparison # Caesalpiniaceae:

1. Habit-Mostly shrubs and trees rarely herbs.

2. Leaves-Paripinnate.

3. Inflorescence-Raceme or panicle.

4. Flower-Slightly zygomorphic.

5. Calyx-Sepals 5, free or slightly fused, odd sepal anterior.

6. Corolla-Petals 5, odd petal smallest and innermost. Aestivation ascending imbricate.

7. Androecium-Stamens 10 (5+5), with staminodes, rarely fever free, variable in length.

8. Gynoccium-Same.

9. Fruit-Legume

10. Floral formula-

Comparison # Mimosaceae:

1. Habit-Mostly shrubs and trees, rarely herbs.

2. Leaves-Bipinnate.

3. Inflorescence-Cymose head.

4. Flower-Actinomorphic and regular.

5. Calyx-Sepals 5, gamosepalous, odd sepal posterior.

6. Corolla-Petals 4 or 5, fused at the base. Aestivation valvate.

7. Androecium-Stamens numerous, free.

8. Gynoccium-Same.

9. Fruit-Lomentum

10. Floral formula-

Hope this helps you