Citrullus aedulis Pangalo,
Citrullus lanatus var. caffer (Schrad.) Mansf.
Citrullus vulgaris Schrad. ex Eckl. & Zeyh.
Citrullus vulgaris var. citroides L. H. Bailey
Colocynthis citrullus (L.) Kuntze, Cucurbita citrullus L.
Family: Cucurbitaceae - Cucumber family
Growth Habit: Climber
Bangla/Vernacular Name: Tarmuj.
Tribal Name: Fray (Khumi), Fray ui (Murang).
English Name: Watermelon
An annual creeper or climber. Leaves deeply divided or moderately lobed. Flowers rather large, monoecious, solitary; Corolla yellow within, greenish outside and villous. Fruit subglobose or ellipsoid, smooth; flesh juicy, sweet, red or yellowish white.
Flowers contain free amino acids, arginine, glycine, threonine, lysine, alanine, asparagine, aspartic and glutamic acids and leucines. Fruit contains folic, ferulic, caffeic and chlorogenic acids, cucurbitacins, citrullin and cucurbitin and a new amino acid, alphaamino- ß-(Pyrazolyl-N) propionic acid. Pulp and peelings contain an essential oil.
Pollens have been reported to contain flavones. The seed meal is rich in protein and essential amino acids (Ghani, 2003). A new aminoacid ß-(1-pyrazolyl)alanine have been isolated from seeds. a-Spinasterol, stigmasta-7,22,25-trienol and stigmasta-7,25-dienol have been isolated from seed oil (Rastogi & Mehrotra, 1990 & 93).
Citrullus lanatus (Thunb.) Mats.
Cultivated throughout Bangladesh.