Hoya parviflora Wight
This plant can be founded in lowland forest in southern of Thailand. The leaf is about 4 inch long by 1/2 inch wide, fleshy, lanceolate, very flat; lower surface often deep red, on the wirey stem. The flower is about 1/4 inch in diameter, white corolla with a dense ring of thick hairs at hte base of lobes, corona is white with some red spot on it. The flower is open about 4 days.