The Families of Flowering Plants - Dioscoreaceae R. Br. The Families of Flowering Plants L. Watson and M. J. Dallwitz Dioscoreaceae R. Br. Including Cladophyllaceae Dulac, Stenomeridaceae J.G. Agardh, Tamaceae S.F. Gray Excluding Trichopodaceae Habit and leaf form . Shrubs, or herbs, or lianas. Mesophytic, or xerophytic.
Leaves stipulate, or exstipulate.
General anatomy . Accumulated starch other than exclusively 'pteridophyte type'. Leaf anatomy . The mesophyll usually containing calcium oxalate crystals. Stem anatomy .