Seeds and surfaces of Dendrothrix. A–D Ventral views of seeds (ca = caruncle) A D. yutajensis B D. condorensis C D. multiglandulosa D D. wurdackii E D. condorensis, inflorescence axis showing dendritic trichomes F D. condorensis, top of seed showing short funicle (f) and caruncle absence G Abaxial view of D. condorensis leaf H D. condorensis transverse fractured leaf showing abaxial papillae and stomata (st), above intercellular space in the spongy parenchyma (m = mesophyll) I D. condorensis abaxial leaf micropapillae contrasting with smooth revolute adaxial leaf margin at image top J Adaxial view of D. yutajensis leaf K D. wurdackii, abaxial leaf surface along secondary vein showing gradient of micropapillae development at vein edges, and overlying dendritic trichomes. (A–D, F–G, J imaged with a Olympus DSX100 E, H–I, K imaged with a Zeiss EVO MA15 SEM at 10–12 kV after sputter coating with 25 nm of Au/Pd; SEM samples untreated and directly mounted from dried herbarium specimens. Source: ANee 31120, NY; B, FNeill et al. 15750, MO; CMaguire & Politi 27683, NY; DCalderón et al. 2682, US; E, G–INeill & Quizhpe 14939, MO; JAmaral 1523, MO; KCid Ferreira 5797, NY).