Rhizophora mucronata Poir.

 
 
 
 
 
 
 
Rhizophora mucronata Poir. 

Medium to tall tree, upto 20 m high, deliquiscent branched, branches spreading horizontally and erect marked with fallen leaf-scars. 
Trunk not conspicuous and suppported by profuse stilt roots 
Stilt root profused, looping from the lower trunks and horizontal branches, woody, slender cylindrical 3 m or more  long, 2.5 -8.0 cm diameter. 
 Leaves dark glossy green, thick and cuticularised, coriaceous elliptic, 15 cm long and 8 cm broad, apex pointed, mucronate. 
Inflorescence upto 5.2 cm long, cyme, opposite decussate, ebracteate. 
Flowers ebracteate, pedicellate, pedicel 0.5 cm long, flattened, green, glabrous, complete, regular, hermophrodite, erect 
Calyx persistent in fruit 
Sepals 4, polysepalous, sepals ovate, entire,acute, fleshy, thick, green, glabrous, valvate, 1.2 cm long, 0.7 cm broad, persistent, superior, equal length 
Corolla white; petals 4, polypetalous, superior, lanceolate, entire, acute, irregular pubescent, curved margin, thick, fleshy, valvate, alternate to sepals 
Fruit coriaceous 2.5 - 3.5 cm long 
Seedling germination modified epigeal-viviparous, seedling  upto 70 cm or more 

Economic Importances : Woods are used as timber and fuel or charcoals. Stem bark contains useful tannin materials, The tannin content is around 20%. The bark powder is astringent and is used for the treatment of diabetes, hemorrhage, haematuria and angina. Young fruits are edible.