70-75 Days to maturity. Lagenaria siceraria. Warm-season annual hybrid. Nam Tao Yai Hybrid Seeds. This high-yielding variety is also known as White-flowered gourd, Upo, or Opo and has vigorous, multi-branched vines. It is easy to grow as it is less prone to diseases and pest damage. The dark mottled green fruit grows to a size of 4"x12" and weighs up to 4 lbs. These fruits can be eaten while tender, otherwise the hardened fruit can be used for a water container or ornamental decoration. ~ 140 seeds/oz.