Combretaceae (The Almond Family)

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Presentation transcript:

Combretaceae (The Almond Family) Systematic Position Division: Spermatophyta Sub-division: Angiospermae Class: Dicotyledonae Order: Myrtales

Distribution Mostly common in Tropical and Sub-tropical region. It consists of 20 genera and 600 species. In Latin word ‘terminus’ refers to fact that its leaf appears at the very tip of the shoot.So Terminalia.

Family Character Vegetative Character. Vegetative. Reproductive. Habit : Trees ,shrubs and herbs. Roots : Tap root n branched. Stem : Erect,hard ,woody n climber. Leaf : ? Alternate, simple. Opposite Whorled(rarely) ,spiraled Stipulated or non-stipulated. Terminalia Leave

Reporductive Character. Inflorescences: Usually Racemose. Flower: Small Regular 3-8 merous Cyclic. Perianth: Distinct calyx and corolla. Calyx 4-5 sepals,1whorled,free. Imbricate or valvate Persistent. Inflorescence Infolrescecce

Corolla: ? 4-5 petals. Polypetalous. Imbricate or valvate. Regular. 1 whorled. Androcium:??? 5-10 stamens. Free,1-2 whorled. Equal length. Anther dorsifixed, versatile. Pollen grain –2 celled. Corolla

If capsule indehiscent. Seed:? Non-endospermic. Gynoecium:???? 2-5 carpels. Syncarpous Inferior ovary. Monolocular. Apical placentation. Fruits:? Drupe ,rarely capsule. If capsule indehiscent. Seed:? Non-endospermic. Inflorescence Flower ovary Fruit

Assignment (FB-11). Dt.10.10.06 Note down important genera and species belonging to the following Families. AND In brief ,discuss the Economic Importance of each family. Combretaceae Verbenaceae. Salicaceae Poaceae Conifereae Total marks = 5 Due date of submission = 13.10.06.