Scientific name: Senna alata (L.) Roxb. Family: Caesalpiniaceae Synonym: Cassia alata L. Bengali/Vernacular name: Dadmardan.

Scientific name: Saurauia roxburghii Wall.  Family: Actinidiaceae Synonym: Saurauia tristyla DC. Bengali/Vernacular name: Dalup....

Scientific name: Salvia splendens Sellow ex Schult. Family: Lamiaceae Synonym: Salvia brasiliensis Spreng. Bengali/Vernacular name: Shumo salvia....

Scientific name: Rhynchostylis retusa (L.) Blume Family: Orchidaceae Synonym:  Aerides retusa (L.) Sw. Bengali/Vernacular name: Shial leza...

Scientific name: Rauvolfia tetraphylla L. Family: Apocynaceae Synonym: Rauvolfia hirsuta Jacq. Bengali/Vernacular name: Gandhakuli, Bara chadar.