1. Pedicel continuous with calyx hypanthium, not articulate; flowers
and fruits with pedicels thin and equalling or longer than the
subtending leaves ............................ Sphyrospermum cordifolium
1. Pedicel articulate with calyx hypanthium; flowers and fruits with
pedicels short and thick, much shorter than subtending leaves.
2. Stamens with filaments and anthers of equal lengths; leaves
3-10 cm long, apically rounded to subacute ........ Thibaudia nutans
2. Stamens with filaments or anthers or both unequal, obviously of two
lengths; leaves 6-14(-20) cm long, apically acuminate.
3. Staminal filaments distinct, alternately unequal; floral
bracts large, dark pink to rose, showy .... Cavendishia callista
3. Staminal filaments connate, of equal lengths; floral bracts
small, green, not showy.
4. Inflorescence elongate, racemose, the rachis 1.5-4 cm long;
leaves relatively small, up to 15 x 6 cm; corolla
inconspicuously but densely short-pilose, red but becoming
apically green .......................... Satyria panurensis
4. Inflorescence short, flowers usually fasciculate, the rachis
less than 1 cm long; leaves large, up to 40 x 9 cm;
corolla glabrous, red becoming apically white .............
....................................... Satyria carnosiflora |