Watermelon simple strokes picture
Watermelon (scientific name: Citrullus lanatus (Thunb.) Matsum. et Nakai) is an annual trailing vine; the stems and branches are thick and have obvious ribs. The tendrils are thick and pubescent, the petiole is thick and densely pubescent; the leaves are papery, triangular-ovate in outline, white-green, with short bristles on both sides, and the base of the leaves is heart-shaped. Monoecious. Male and female flowers are solitary in leaf axils. The pedicel of male flowers is 3-4 cm long, densely covered with yellowish-brown villous hairs; the calyx tube is wide and bell-shaped; the corolla is light yellow; the stamens are nearly free, the filaments are short, and the chambers are bent. Female flowers: calyx and corolla are the same as male flowers; ovary is ovate, stigma is kidney-shaped. The fruit is large, nearly spherical or oval, fleshy, juicy, with smooth skin and various colors and patterns. There are many seeds, ovate, black or red, smooth on both sides, blunt base, usually with slightly arched edges. The flowers and fruits are in summer.
