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Aponogetonaceae Habit: Perennial herb from corm, tuber, or short, thick rhizome, aquatic, glabrous; sap milky. Leaf: alternate, simple, [generally submersed] or floating, petioled, basal in opposite pairs; blade expanded or not, elliptic to lanceolate if floating. Inflorescence: terminal, scape above water, generally spike or panicle with 2--3(10) spike-like branches, subtended by conspicuous, deciduous bract. Flower: bisexual [unisexual], bilateral; perianth parts [0]1[6], generally petal-like, white or yellow; stamens 6--18 in 2 series or 6--50 in 3--4 series; pistils 2--6(9), fused +- 1/2--2/3, separating in fruit, ovary superior, chamber 1, ovules 1--12, style short, stigmatic surface grooved. Fruit: follicle, leathery. Seed: 4; embryo straight. Genera In Family: 1 genus, +- 54 species: tropical Asia, Australia, southern Africa. Jepson eFlora Author: Robert F. Thorne, C. Barre Hellquist & Robert R. Haynes Reference: Les et al. 2005 Syst Bot 30:503--519 Unabridged Reference: Les, D. H., Moody, M. L., & Jacobs, S. W. L. 2005. Phylogeny and systematics of Aponogeton (Aponogetonaceae): The Australian species. Syst. Bot. 30: 503--519; Van Bruggen, H. W. E. 1973. Revision of the genus Aponogeton (Aponogetonaceae): VI the species of Africa. Bull. Jard. Bot. Natl. Belg. 43: 1--2, 193--233 Scientific Editor: Thomas J. Rosatti. Index of California Plant Names (ICPN; linked via the Jepson Online Interchange) Previous taxon: Pancratium maritimum Next taxon: Aponogeton |