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1 Stamens (8-) 10-27; petals notched or irregularly lacerate at the apex; gynophore (stipe of the pistil, above the calyx) 2-6 mm long; leaflets (1-) 3
1 Stamens 6 (except 14-25 in Corynandra); petals obtuse or acute at the apex; gynophore (stipe of the pistil, above the calyx) 1-80 mm long; leaflets 5-7 (3 in Peritoma serrulata).
..2 Plants with nodal spines (and sometimes with prickles on petioles and leaf veins).
......4 Leaflets 3 or 5 (at least some leaves with 5 leaflets present within a plant); petals white, sometimes purple; plants (50-) 90-150 cm tall; petiole 3.5-4.5 cm long (or longer); capsules glandular-pubescent