Dischidia nummularia R. Br.,

Latin for 'coin shaped', referring to the leafs.

Collyris minor Vahl
Dischidia actephila Schltr.
Dischidia aemula Schltr.
Dischidia beiningiana Schltr.
Dischidia copelandii Schltr.
Dischidia decipiens Schltr.
Dischidia dirhiza Schltr.
Dischidia gaudichaudii Decne.
Dischidia glabra Warb.
Dischidia horsfieldiana Miq.
Dischidia microphylla Schltr.
Dischidia minor (Vahl) Merr.
Dischidia nummularia var. orbicularis (Decne.) Kuntze
Dischidia nummularia var. rhombifolia (Blume) Bakhuizen f.
Dischidia orbicularis Decne.
Dischidia rhombifolia Blume
Dischidia ridleyana Schltr.
Dischidia schumanniana Schltr.
Dischidia schumanniana Schltr.
Leptostemma truncatum Zoll. ex Miq.

Epihyte liana, usually growing tightly agaist tree stems using small roots to connect, but when reaching the tree crown changing to a hanging habit. Whole plant is succulent, thick leathery. Leaves opposite with small inflorescences in leaf axils. Flowers white, bell shaped. Fruits cone-shaped, green, usually quite rare.

Grows along tree trunks and branches. Usually in slightly shaded conditions, but also found in secondary forests and open light rich forests.

Sold as an ornamental world wide.

Tropical Asia to New Guinea and Australia. Currently found pan-tropical as a cultivated plant.

Local names
Australia: Button Orchid.