Sarcochilus japonicus is an evergreen perennial orchid occurring on trunks, bough, or even twigs, emerging many roots at the plant base, which sustains the body hanging down. The lanceolate, 2cm-long leaves are distichous, arranged in two vertical rows. From the axil, there emerges a slender stalk with yellow flowers. The sepals measure 7mm long, the side petals a bit shorter, and the lip sack-shaped with some purple-brown spots inside. Bloom time: April-May.