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1. Leaves small, 0.9-3.5 cm long, the apices rounded to acute;
pedicels continuous with calyx; flowers small, the corollas 4-9 x 1-3 mm.
2. Leaves suborbicular, ca. 0.9-1.8 cm long; corolla 4-6 x 1-1.5 mm ............................. Sphyrospermum buxifolium
2. Leaves broadly to narrowly ovate, ca. (1-) 2-3.5 cm long; corolla (4-)5-7(-9) x 1.2-3 mm ...... Sphyrospermum cordifolium
1. Leaves larger, 6-14(-21) cm long, the apices acuminate; pedicels
articulate with calyx; flowers large, the corollas 8-34 x 5-8 mm.
3. Corollas white; floral bracts large, showy, rose-pink; staminal filaments distinct; inflorescences long-racemose, the rachises
(2.5-) 5-10 cm long ............................................................................................................... Cavendishia callista
3. Corollas red or red with green apices; floral bracts small, 1-2 mm long, not showy, green; staminal filaments connate;
inflorescences short-racemose, the rachises 0.6-4 cm long.
4. Corollas campanulate-cylindric, 8-11 mm long, red; rachis 0.6-1.5 cm long..................................... Satyria cerander
4. Corollas tubular-cylindric, 16-34 mm long, red with green apices; rachis 1.5-4 cm long .............. Satyria panurensis
Luteyn, J. L. 2002. Ericaceae, in Mori et al. (eds.), Guide to the Vascular Plants of Central French Guiana, vol. 2.
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