Seed vessel globose, thorny, 4-valved over the base of the calyx.
"The Medicinal Plants of the Philippines"
T. H. Pardo de Tavera
Fruit: A 5-valved, many-seeded, erect capsule.
"Wild Flowers Worth Knowing"
Neltje Blanchan et al
Fruit: A 5-valved capsule on erect pedicels.
"Wild Flowers Worth Knowing"
Neltje Blanchan et al