Blossom five petals, irregular, unequal petals, of which
The upper petal α. is upright, bent back, broader, and blunter than the rest, notched at the end, terminating at the base in a blunt horn-shaped honey-cup, protruding between the leaflets of the cup.
The lateral petals β. γ. grow in pairs, obtuse, opposite, upright.
The lower petals δ. ε. grow in pairs, larger, and reflexed upwards.
Chives. Five threads, very small; of which the two nearest to the petal α. have small appendages which enter the honey-cup, Tips generally united, blunt, enlarged by skinny substances at the end.
Pointal. Seed-bud roundish. Shaft thread-shaped, projecting beyond the tips. Summit oblique.
Seed-vessel. Capsule egg-shaped, three-sided, blunt, one cell and three valves.
Seeds many, egg-shaped, having appendages, fixed to the valves. Receptacle linear, running like a line along each valve.
Obs. The summit is either reflexed into a simple hook, or a concave small head perforated at the end.
SPECIFIC CHARACTER.