A perennial scrambling shrub or woody herb, 1—2.5(—4) m tall; stems numerous, succulent, ribbed, forming a dense clump, rooting at the nodes, main roots woody. Leaves alternate, almost circular to reniform, 5—36(—40) cm x 4.5—37(—42) cm, base deeply cordate, apex shortly acuminate to rounded, margins entire or crenulate, fairly thin, glandular black punctate, sparsely to densely hairy on the veins above and underneath, veins palmate, 11—15, blade dark green above, greyish underneath; petiole 6.5—30 cm long, dilated and sheathing basally. Inflorescence an axillary or leaf-opposed spike, 5.5—15 cm long, 2—8 together in false umbels, peduncle 3—12 cm long, 1—3 peduncles together, peduncular bracts narrow, 6—8 mm long, white, caducous; flowers small, bisexual, floral bracts triangular to rounded, 0.5—0.8 mm wide, subpeltate, margins fimbriate, white, cream or yellow; perianth absent; stamens 2; ovary superior, 1-locular, stigmas 3. Fruit a drupe, obpyramidal, 3-angled, 0.6—1 mm x 0.4—0.6 mm, brownish. Seed globose, endosperm little, perisperm copious, embryo small. |