Flowering Throughout the Year! Den. topaziacum (Den. bullenianum) –Rare Species with semi-pendulous 24" –36" canes, impressive dense blooming clusters form up and down the deciduous canes, brilliant yellow - orange 1" flowers with scarlet venation in the lip, produces great blooms up to 3 times per year. This medium sized, hot to warm growing, epiphytic species is found in the Philippines in evergreen lowland forests at elevations up to 1000 meters with slender, slightly fractiflex, attenuate below, many noded, sulcate stems covered with sheaths and carrying submembraneous, ovate-oblong, obtuse leaves that are unequally bilobed apically and have clusters of orange flowers with red lines that arise on short to 2 1/2" [6.25 cm], densely flowered, almost globose inflorescence from all along the older dry canes. Many 24" canes plus new growths in 4" pot. Some are in buds.
It likes some direct sun in the morning and we treat it the same year round. It is normal for leaves to yellow up and fall off in the late summer just before it blooms.
Flower Size: 3/4" [1.9 cm] flowers.
Colors: Yellow, Orange with Red stripes
Humidity: Medium to high (50%-80%)