Distributed and developed on Bougainville Island, Australia. Illustrations, a detailed description, and local vernacular terms for the plant.

Under considerable long-term threat from commercial collectors. Distinguishing features, habitat, and conservation status notes.

Discovered in 1842 on the island of Java and is now threatened with extinction. Etymology, morphological details, history and conservation status.

Known for its rounded seeds, this taxon calls India home. Historical notes, detailed morphology, and distinctive characteristics.

Lives on cliffs in Thailand. Historical notes, relevant literature, images, and subspecies details.

Mainly occurs on serpentinite-derived soils. Distinct features, morphology, etymology, and historical notes.

Endemic to Micronesia, the Marianas Group and the western Caroline Islands. Distinguishing features, description, conservation status, etymology, and historical notes.

Widespread in inland and montain-closed forests in the northern parts of the Philippines. Structural features, etymology, and historical notes.

Abundant and widespread in Arnhem Land, Australia. Structural details, distinguishing characteristics, and habitat information.

From the province of Pranburi in Thailand. Morphological description, images, distinguishing features, and history.