FIGURE 52. Hydriastele biakensis. A. Leaf apex. B. Mid-leaf portion. C. Peduncle. D. Infructescence first order branch. E in A monograph of Hydriastele (Areceae, Arecaceae) in New Guinea and Australia

FIGURE 52. Hydriastele biakensis. A. Leaf apex. B. Mid-leaf portion. C. Peduncle. D. Infructescence first order branch. E. Portion of rachilla with triads. F. Portion of rachilla with pistillate flowers. G. Staminate flower. H. Pistillate flower whole and in longitudinal section. I. Apical portion of rachilla with fruit. J. Fruit in longitudinal section. A–B, D = 6 cm; C = 8 cm; E, I = 1.5 cm; F, J = 1 cm; G = 5 mm; H = 3 mm. A–D from Baker et al. 1342; E–J from Heatubun et al. 970. Drawn by Lucy T. Smith.