Found throughout South-East Asia, New Guinea, Australia and some Pacific Islands. It can form large clumps with either thick and crowded pseudobulbs or slender, well spaced apart pseudo-bulbs with two large leaves. Up to 50 fragrant flowers which do not fully open are borne on a zigzag inflorescence which arises from the immature pseudo bulbs Grow intermediate to warm with partial shade. These are blooming size divisions.