Description
Key Characters:
Growth Form:
Shrubs, climbers, or small trees, mostly spiny.
Stems:
Branches dichotomous.
Roots:
Leaves:
Leaves simple.
Opposite.
Margins entire.
Pinnately veined.
Petioles 2–3 mm.
Stipules absent or vestigial.
Flowers:
Flowers in cymes terminal or axillary, dichotomous, pedunculate, usually many flowered.
Flowers bisexual (perfect), actinomorphic; 5–[or 4]-merous.
Calyx of 4-5 sepals; sepals quincuncial, without glands or rarely with many basal glands inside.
Corolla salverform, tube cylindric, dilated at staminal insertion, lobes overlapping to left or to right.
Stamens 5, included in throat; anthers lanceolate, obtuse or apiculate, base not appendaged; disc absent; filaments short.
Pollen granular.
Ovary superior, 2-loculed; ovules 1–4 in each locule, rarely numerous, biseriate. Styles 1, filiform; pistil head narrowly oblong or fusiform, apex shortly 2-cleft.
Fruit:
Berries 1– or 2–loculed.
Seeds 2 or more; peltate; endosperm fleshy; cotyledons ovate; radicle inferior.
Ploidy:
Habitat:
Elevation Range: