- leaves paired, glabrous, narrowly elliptic
- flower with white corolla, yellow anthers
- fruit round, yellow-green with soft green seeds
Description: Tree, mature at 3-8 m; leaves paired, glabrous, narrowly elliptic, apex acute, base acute, lateral veins 7-9, flat to weakly expressed above, expressed below; inflorescence 1-2 cm, arising next to minor leaf; flower with corolla white, lobes 8-11 mm, free nearly to base, anthers yellow; fruit to 12 x 13 mm, almost globose, calyx appressed, pedicel 12 mm; seeds green, soft and rubbery when mature.
Local distribution: Pacific slope at 900-1350 m.
Species range: Costa Rica
Habitat: Moist forest understory and gaps.
Phenology: Flower: feb-jun. Fruit: apr-may.
Seed dispersers: Bats
Comments: This species has been lumped with S. rovirosanum by some taxonomists, but it is clearly distinct in both habitat and morphology in the Monteverde region.