CH-19701 Bulbophyllum biflorum - 3.5" pot size, The Two-Flowered Bulbophyllum. 3 to 4 growth divisions. Blooming size. Flower size is about 1/4" wide and about 3.5" tall. Blooms in the late summer and fall months. Compact Grower under 8" tall. One of easiest and fastest growing Bulbophyllums.