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Mimosaceae
acacia family
Submitted by,
Duedy thomas
Systematic Position
CLASS: Dicotyledons
SUBCLASS: Polypetalae
SERIES: Calciflorae
ORDER: Rosales
FAMILY: Mimosaceae
Common Members
 Mimosa pudica (ത ൊട്ടൊവൊടി)
 Acacia intsia (ഇഞ്ച)
 Acacia senegal (gum arabic)
 Acacia chundra (കരിങ്ങൊലി)
 Acacia mangium (black wattle)
 Adenanthera pavonina മഞ്ചൊടി)
 Albizzia saman (മഴമരം)
 Entada rheedi (കൊക്കവള്ളി) (african dream herb)
 Xyila xylocarpa( ഇരുൾ)
Acacia
chundra(കരിങ്ങൊലി)
Acacia senegal(gum arabic)
Xylia xylocarpa(ഇരുൾ)
Albizzia saman (മഴമരം) Mimosa pudica
Entada rheedi(കൊക്കവള്ളി) -climber
CHARACTERISTIC FEATURES
HABIT: Tress/ Shrubs/Climbers.
Many of them are throny and xeromorphic.
ROOT: Tap and Branched, deeply rooted in the soil.
STEM: Erect, branched, slightly tapering, woody, solid.Stem tissue is often rich in tannin sacs and
gum passages.
LEAVES: Alternate, Petiolate, (base of the petiol is provided with pluvinous., Stipules present;
usually modified into throns, Compound, pinnate(generally bipinnate).
INFLORESCENCE: head/spike. (Linear or globose spike).
FLOWERS: Each flower is bisexual, actinomorphic, dichlamedous ,perigynus, tetra/pentamerous,
regular,cyclic, perfect and complete.
Hypanthium cup is present
CALYX: 4/5 sepals, gamosepalous, valvate aestivation.
COROLLA: 4/5 petals, free or united ( united slightly towards the base.), Valvate aestivation.
ANDROECIUM: indefinite number of stamens, free or rarely
united at the base. Filaments are long,slender and coloured.
GYNOECIUM: monocarpellary, superior ovary, unilocular, many ovules on marginal placentation,
style long filiform(thread like), flat/pointed stigma.
FRUIT: legume/lomentum
phylogeny
 Bentham and Hooker placed family Leguminosae in the order Rosales, due to the presence of
perigynus flowers and due to the absence of syncarpy.
 3 subfamilies are there under Leguminosae- Papilieoideae, Caesapinoidae, Mimosoideae.
 Conquist considered Mimosaceae as the most primitive in the order fabales.
Economic Importance
 This sub-family is not of much economic importance. A few members are however useful.
 Acacia catechu serves as a host for the lac insects. From this plant Katha is also obtained.
 Gum arabic is obtained from the barks of A. Arabica and A. senegal.
 Saresh- a type of gum – is obtained from Albizzia lebbek.
 The flowers of A. decurrens var. dealbata yield a perfume.
 The bark of Acacia yields tannin which is used in leather tanning.
 The wood of Adenanthera pavonina is powdered and yields a red dye.
 Prosopis spicigera is grown as a hedge plant and also as a wind breaker in Rajasthan to check
spreading desert, acts as water indicator.
 Durable timber is obtained from Acacia melanoxylon, Lysistoma sabicu, Xylia dolabriformis (Iron
wood).
 Xylia xylocarpa: The wood pulp may be used for making wrapping paper. The seeds of this
tree are edible. This tree is considered a medicinal plant in India. In Thailand its leaves are used
to treat wounds in elephants.
 Entada rheedi:This plant is also used as a topical ointment against jaundice, toothache, ulcers and
to treat muscular-skeletal problems.
 A. mangium is widely used in commercial plantations to provide products such as pulp, firewood,
charcoal, construction material; it is also used for soil protection and ecological restoration
purposes and as a food source for bees .
 A. chundra:The bark is medicinal and used to cure diarrhoea. A combination of the bark and root
boiled in water helps to bring down high blood pressure. Strong timber can be used for
construction and agricultural implements. Wood is very hard; used for agricultural implements,
rice pounders and as fuelwood.
Thank you😊

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Mimosacaea

  • 2. Systematic Position CLASS: Dicotyledons SUBCLASS: Polypetalae SERIES: Calciflorae ORDER: Rosales FAMILY: Mimosaceae
  • 3. Common Members  Mimosa pudica (ത ൊട്ടൊവൊടി)  Acacia intsia (ഇഞ്ച)  Acacia senegal (gum arabic)  Acacia chundra (കരിങ്ങൊലി)  Acacia mangium (black wattle)  Adenanthera pavonina മഞ്ചൊടി)  Albizzia saman (മഴമരം)  Entada rheedi (കൊക്കവള്ളി) (african dream herb)  Xyila xylocarpa( ഇരുൾ)
  • 8. CHARACTERISTIC FEATURES HABIT: Tress/ Shrubs/Climbers. Many of them are throny and xeromorphic. ROOT: Tap and Branched, deeply rooted in the soil. STEM: Erect, branched, slightly tapering, woody, solid.Stem tissue is often rich in tannin sacs and gum passages. LEAVES: Alternate, Petiolate, (base of the petiol is provided with pluvinous., Stipules present; usually modified into throns, Compound, pinnate(generally bipinnate). INFLORESCENCE: head/spike. (Linear or globose spike). FLOWERS: Each flower is bisexual, actinomorphic, dichlamedous ,perigynus, tetra/pentamerous, regular,cyclic, perfect and complete. Hypanthium cup is present
  • 9. CALYX: 4/5 sepals, gamosepalous, valvate aestivation. COROLLA: 4/5 petals, free or united ( united slightly towards the base.), Valvate aestivation. ANDROECIUM: indefinite number of stamens, free or rarely united at the base. Filaments are long,slender and coloured.
  • 10. GYNOECIUM: monocarpellary, superior ovary, unilocular, many ovules on marginal placentation, style long filiform(thread like), flat/pointed stigma.
  • 12. phylogeny  Bentham and Hooker placed family Leguminosae in the order Rosales, due to the presence of perigynus flowers and due to the absence of syncarpy.  3 subfamilies are there under Leguminosae- Papilieoideae, Caesapinoidae, Mimosoideae.  Conquist considered Mimosaceae as the most primitive in the order fabales.
  • 13. Economic Importance  This sub-family is not of much economic importance. A few members are however useful.  Acacia catechu serves as a host for the lac insects. From this plant Katha is also obtained.  Gum arabic is obtained from the barks of A. Arabica and A. senegal.  Saresh- a type of gum – is obtained from Albizzia lebbek.  The flowers of A. decurrens var. dealbata yield a perfume.  The bark of Acacia yields tannin which is used in leather tanning.  The wood of Adenanthera pavonina is powdered and yields a red dye.  Prosopis spicigera is grown as a hedge plant and also as a wind breaker in Rajasthan to check spreading desert, acts as water indicator.  Durable timber is obtained from Acacia melanoxylon, Lysistoma sabicu, Xylia dolabriformis (Iron wood).  Xylia xylocarpa: The wood pulp may be used for making wrapping paper. The seeds of this tree are edible. This tree is considered a medicinal plant in India. In Thailand its leaves are used to treat wounds in elephants.
  • 14.  Entada rheedi:This plant is also used as a topical ointment against jaundice, toothache, ulcers and to treat muscular-skeletal problems.  A. mangium is widely used in commercial plantations to provide products such as pulp, firewood, charcoal, construction material; it is also used for soil protection and ecological restoration purposes and as a food source for bees .  A. chundra:The bark is medicinal and used to cure diarrhoea. A combination of the bark and root boiled in water helps to bring down high blood pressure. Strong timber can be used for construction and agricultural implements. Wood is very hard; used for agricultural implements, rice pounders and as fuelwood.