Plants green, 5-15 cm tall. Branches usually opposite; stem internodes narrowly obovate or oblanceolate-obovate, 7-17 × (2-)3-6 mm, longitudinally 1-ribbed when dried. Leaves fused into a ring. Inflorescence lateral at node. Male flower greenish, subglobose in bud, ca. 0.5 mm; perianth lobes triangular. Synadrium spheric. Female flower ellipsoid or ovoid in bud, 5-7 mm; perianth lobes triangular, minute. Berry yellowish, ca. 2 × 1.5 mm. Fl. and fr. Jan-Dec.
Plants erect, usually 5–15 cm. high, often densely branched by the occurrence of collateral branches arising from the nodes, perhaps slightly woody at the base; internodes of lateral branches 5–15(–20) mm. long, 1–3(–4) mm. wide, strongly flattened and generally dilated at the nodes.. Fruit subpyriform, 1–2 mm. high.. Fig. 2.
A mistletoe. It is green and 5-15 cm tall. The branches are opposite. The leaves are fused into a ring. The flowering shoots are sideways at the nodes. Male and female flowers are separate. The fruit are yellow berries. They are 2 mm long by 1.5 mm wide.
See Korthalsella japonica subsp. brassiana (Blakely ex C.T.White) Barlow