Petrocosmea shilinensis Y. M. Shui & H. T. Zhao var. changhuensis T. F. Lü & Y. Z. Wang
Petrocosmea Oliv. lip c. 6.5 mm long, indistinctly 2-lobed with the two small lobes fused for almost their entire length and each lobe folded and rolled laterally to form a (galeate) structure that encloses the style; abaxial lip c. 19 mm...