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| Sub Family: Mimosae (Mimosoidae) |
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 Habit: Herbs (Mimosa), shrubs and trees (Acacia). |
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| fig. 27.29 Acacia |
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 Root: Taproot with root nodules. |
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 Stem: Herbaceous or woody, branched. |
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 Leaves: Compound, alternate, stipulate and pulvinate. |
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 Inflorescence: Mostly globose head or spike. |
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 Flowers: Actinomorphic, bisexual, sessile, heterochlamydeous, pentamerous, hypogynous. |
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 Calyx: Sepals 5 (or 4), gamosepalous or polysepalous, valvate aestivation. |
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 Corolla: Petals 5 (or 4), polypetalous, valvate aestivation. |
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 Androecium: Stamens 10, sometimes more, free, of the same size, brightly coloured. |
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 Gynoecium: Monocarpellary, unilocular with ovules on marginal placentation, ovary superior, style filiform. |
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 Fruit: Legume or lomentum. |
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 Seeds: Non endospermic |
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| fig. 27.30 Floral parts, floral diagram and floral formula of Acacia |
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| Timber Yielding |
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| 1. Albizzia lebeck - Siris tree |
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| 2. Adenanthera pavonia- Gulganji |
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| 3. Samanea saman-rain tree |
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| Gum Yielding |
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| 1. Acacia arabica gum used in tanning industry |
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| Dye Yielding |
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| 1. Areca catechu (catechu dye) |
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| Ornamental |
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| 1. Neptunea oleracea |
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| 2. Mimosa pudica (Touch-me-not) |
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| 3. Pithecellobium dulce |
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| Others |
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| 1. Acacia coccina Dry pods yield soapnut powder |
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| fig. 27.31 Examples of SubFamily Mimosae |
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