FIGURE 1. Phaius duongae Aver, V.C in Phaius Duongae (Orchidaceae, Collabieae), A New Cauline Species From Southern Vietnam

FIGURE 1. Phaius duongae Aver, V.C.Nguyen & Vuong, sp. nov. A. Flowering plant. B. Basal part of the stem. C. Middle part of the stem. D. Intact flowers. E. Detached flower, frontal view. F. Ovary, column and lip, side view, and view from above. G. Lip, and column apex, frontal view. H. Median sepal, abaxial and adaxial side. I. Lateral sepals, abaxial and adaxial sides. J. Petals, abaxial and adaxial sides. K. Lip, adaxial side. L. Keel on lip disc. M. Keel, frontal view of the disc. N & O. Surface of the disc and keel. P. Column, frontal and side view. Q. Lip apex with and without operculum. R. Anther cap, view from above and from below. S. Pollinarium, view from different sides. Photos of Nguyen Van Canh (A, C, D, specimen AL 2050) and Truong Ba Vuong (B, E–S, specimen BV 1376), photo correction and design by L. Averyanov and T. Maisak.