Fl. Cochinch. 2: 598, 610. 1790.

Etymology: Greek and Latin triadis, a group of three, alluding to 3-merous flowers
Treatment appears in FNA Volume 12. Treatment on page 226. Mentioned on page 157, 159.

Trees, monoecious; hairs absent; latex white. Leaves deciduous, alternate, simple; stipules present, persistent; petiole present, glands present at apex; blade unlobed, margins entire, laminar glands abaxial, submarginal, occasionally absent on some leaves; venation pinnate. Inflorescences bisexual (pistillate flowers proximal, staminate distal) or staminate, terminal and subterminal (in axils of branch-tip leaves), racemelike thyrses; glands subtending each bract 2. Pedicels present. Staminate flowers: sepals 3, apparently imbricate, connate most of length; petals 0; nectary absent; stamens 2–3, distinct; pistillode absent. Pistillate flowers: sepals 3, distinct or connate basally; petals 0; nectary absent; pistil 3-carpellate; styles 3, connate 1/2–2/3 length, unbranched. Fruits capsules. Seeds ovoid with ventral face distinctly flattened or angled; outer seed coat fleshy; caruncle absent. x = 11.


Introduced; Asia.


Species 3 (1 in the flora).

Although classified historically in Sapium sect. Triadica, Triadica is distinct based on morphology and molecular phylogenetic evidence (K. Wurdack et al. 2005).

Lower Taxa