Ziziphus brunoniana Brandis, Ind. Trees 169. 1971 (Repr. ed.) .

Climbing shrubs; branchlets strigose, alternate, internodes 1-2.3 cm long; spines solitary or in pairs, 2-3 mm long, fulvous tomentose at base. Leaves alternate, 2-4.5 x 1-2.7 cm, acute to subacuminate or distantly serrulate, serratures callous tipped, glabrous above, appressed fulvous hairy beneath, basally 3-nerved; secondary veins from the outer 2 primary veins camptodromous, diverging at 30°-40° angle; petioles 3-4 mm long, rusty tomentose. Inflorescence 5-10-flowered, axillary fascicles. Flowers sessi le.Calyx lobes deltoid, 1.2-1.5 mm long, thickened at apex, keeled up to the middle, pubescent without. Petals 0.8 mm long. Stamens shorter than petals; anthers dorsifixed. Disc 10-lobed, glabrous, massive. Ovary bicarpellary, bilocular, glabrous; style 2-cleft, united above the middle; stigma obtuse. Drupes obovate, 6-8 mm long, glabrous, 2 (-1 )-celled. Seeds 2, black, 4 x 3 mm, compressed.

Fl. & Fr. Oct. - Dec.

Distrib. India: Assam, Tripura and Andaman Islands.