Exploring @ limestone hill on wet day- part 2

Another unknown giant sized orchid from limestone outcrop. Last year, I found it in limestone hills of northern Sarawak & now, i found it again, but in southern Sarawak....more than a thousand km away. No flower to confirm its identity.

Alocasia reversa

First time found leafless orchid,Taeniophyllum in limestone forest of Sarawak.

Alocasia longiloba

Scindapsus truebii

Hoya sp.

Dossinia marmorata

Begonia penrissenensis

Amorphophallus eburneus

Nervilla sp. (orchid)