FIGURE 5. Truongsonia lecongkietii. A. Rachilla. B. Floral triad with one open staminate flower. C. Floral triad, one staminate flower removed. D. Staminate flower bud. E in Truongsonia (Arecaceae: Arecoideae: Truongsonieae)-a new palm genus and tribe from Vietnam

FIGURE 5. Truongsonia lecongkietii. A. Rachilla. B. Floral triad with one open staminate flower. C. Floral triad, one staminate flower removed. D. Staminate flower bud. E. Open staminate flower bud in longitudinal section. F. Staminate petal. G. Staminate sepal. H. Androecium. I, J. Staminate flower in two views. K. Pistillate flower bud. L. Pistillate petal. M. Pistillate sepal. N. Gynoecium in two views. O. Ovary in transverse section, showing 3 locules, each with 1 ovule. P, Q. Fruit whole and in longitudinal section, showing lateral embryo. R. Detail of basal stigmatic remains on fruit. S. Seed. Scale bar: A, P, Q, S = 7 mm; B, C, I, J = 1.6 mm; D–H, K–O = 1.25 mm, R = 2.5 mm. All from Ngọc-Sâm Lý, Lý-1521 (NY). Drawn by Lucy T. Smith.