What are the ways to identify the yellow Phaius tankervilleae?
Leaves: They grow densely and alternately on the upper part of the pseudobulb, usually developing yellow patches, and are oblong or elliptic-lanceolate, with both sides of the leaf hairless. Flowers: They are lemon-yellow, with petals that are oblong-oblanceolate and blunt at the tip, and they bloom between April and October.
1. Leaves
The yellow Phaius tankervilleae has 4-6 leaves, growing very densely and alternately on the upper part of the pseudobulb, and they generally have yellow patches. Their shape is oblong or elliptic-lanceolate, and they are all longer than 25cm. Their tips are acuminate or acute, and both sides of the leaves are hairless.
2. Flowers
The flowers of the yellow Phaius tankervilleae are lemon-yellow and held upright; the petals are oblong-oblanceolate, very similar in length to the sepals, with relatively blunt tips and no hairs. They generally bloom between April and October, and the pollinia are oval in mass, about 2mm long.