Operculina aegyptia (Linn.) House
Climbers, the stems herbaceous, mostly hirsute with long erect to suberect yellowish trichomes. Leaves palmately compound, the 5 leaflets elliptic, entire to dentate, acuminate to acute apically and basally, sparsely pubescent to glabrate. Flowers cymose. Sepals oblong, 2 cm long, acute, hirsute with erect yellowish trichomes. Corolla white, 2-3 cm long. Fruit capsular, subglobose, 1-2 cm in diameter, subtended and partially surrounded by the calyx. Seeds brown, glabrous.
Fl. Per.: September to January.
Type: Based on several specimens in the Linnaean herb. (microfiche!).
C-7 Rawalpindi Dist.: Rawalpindi, R.R. Stewart 7721 (RAW), Rawalpindi, Topi Park, R.R. Stewart 15109 (RAW), Jhelum Dist.: Mt. Tilla, R.R. & I.D. Stewart 760 (RAW), F-7 Sind: Nagar Parkar, M.B. Zaman 278 (PPFI-M), Nagar Parker, Qaiser & Ghafoor 3971, 3998 (KUH), G-5 Hyderabad Dist.: Tando Jam, A. Jalis s.n. (RAW).
This species and the next are often confused in herbaria. Since this species has pubescent sepals and Merremia dissecta has glabrous sepals, they are easily distinguished.