1. Citrullus lanatus (Thunb.) Matsumura & Nakai (1916: 30, no. 854) (Fig. 3)

Basionym:— Momordica lanata Thunberg (1794: 13) .

Synonyms:— Cucumis citrullus Ser. in De Candolle (1828: 301) .

Citrullus vulgaris Schrad. in Ecklon & Zeyher (1836: 279).

Citrullus edulis Spach (1838: 214) .

Local Name: —Ikpan mbakara (Annang), Ikon mbakara (Ibibio).

Common Name: —Watermelon.

Habitat: —Cultivated farmland.

Description:— Herb, trailing, can be pendant. Stem herbaceous, trailing, angular, pubescent, 0.5–0.7 cm diam.; tendrils 2-fid. Leaves simple, alternately arranged, petiolate, glabrous, palmately lobed with 5 lobes, green; petiole cylindrical, herbaceous, 4–7 cm long. Inflorescence solitary or axillary, emanating from leaf node, pedunculate, peduncle 2–3 cm long, pubescent. Flowers pentamerous, calyx with 5 sepals, pubescent; corolla with 5 petals, yellow, 1.5–2 cm long. Fruit pepos, circular, cylindrical, irregular, green, sometimes with patches of deep green or deep green strands, with many seeds borne in reddish pulp. Seed flat, black, 0.8 × 0.4 cm.

Location in Akwa Ibom:— Essien Udim, Oruk Anam, Uyo, and Ibesikpo Asutan.

Abundance:— It existed in 27% of the sampling points and was rare.