Description
Key Characters:
Growth Form:
Herbs, shrubs, or vines, perennial, from rhizomes, usually with fusiform tubers, often with fern-like appearance.
Stems:
Stems photosynthetic, erect, spreading or climbing, branched, cladophylls solitary or fasciculate, in nodes of reduced, scarious leaves.
Roots:
Leaves:
Leaves simple, small, scale-like, membranous, or sometimes spiny with hardened base, subtending cladophylls.
Petioles absent.
Stipules absent.
Flowers:
Flowers in inflorescences axillary or terminal, racemose, or umbellate, paired or solitary; racemes short.
Flowers bisexual (perfect) or unisexual; perianth greenish, white, or yellowish, campanulate to rotate.
Perianth of 6 tepals in 2 series, distinct or shortly connate basally, equal.
Stamens 6, distinct, equal; anthers versatile, 2-locular, dehiscence introrse.
Ovary superior, 3-locular, septal nectaries present; style 3–branched distally.
Fruit:
Berry-like; red or purplish black; globose; often with tepals persisting at base.
Seeds 1–6; black; globose to angular.
Ploidy:
x = 10
Habitat:
Elevation Range: