Oxyspora paniculata (D. Don) DC.

Family: Melastomataceae Synonym: Arthrostemma paniculatum D. Don   Bengali/Vernacular name: Chokha. Tribal name: Uksheo (Murang).

Ottelia alismoides (L.) Pers.

Family: Hydrocharitaceae Synonym: Stratiotes alismoides L.                          Bengali/Vernacular name: Panicola, Ramkarala, Kuchkolai, Tarukala, Shamakala, Rashkarali. Tribal name:...

Oryza sativa L.

Family: Poaceae  Synonym: Oryza glutinosa Lour.                             Bengali/Vernacular name: Dhan, Chaul, Chal. Tribal name: Cho (Khumi),...

Ocimum tenuiflorum L.

Family: Lamiaceae Synonym: Ocimum sanctum L.                  Bengali/Vernacular name: Kalo tulasi, Tulsi. Tribal name: Tulosi (Chakma), Nung gri...

Ocimum americanum L.

Family: Lamiaceae Synonym: Ocimum album Roxb.                             Bengali/Vernacular name: Tulasi, Bon-tulsi. Tribal name: Taolopoing (Chak), Sheprang (Khumi), Vawipanha...