Description

Key Characters:

Growth Form: Vines, climbing by axillary tendrils.

Stems: Stems slender, angled.

Roots:

Leaves: Leaves simple. Alternate. Margins entire. Petiolate. Stipules present, ocreae absent.

Flowers: Flowers in racemes, upper ones forming a panicle, the rachis usually terminated by a branched tendril. . Flowers bisexual (perfect), actinomorphic. Tepals 5(6), outer 3 cordate, inner ones narrower, enlarging after anthesis and enclosing the fruit. Stamens 7–9; filaments connate basally; anthers dithecal, opening by longitudinal slits. Ovary superior, (2)3(4)-carpellate, 1-celled, trigonous; ovule 1; styles 3; stigmas capitate, dry.

Fruit: Large 3–angled nut; enclosed by the tepals.

Ploidy:

Habitat:

Elevation Range: