Petioles very short, with a pointed Glandule on the inner surface of the base.
"The Medicinal Plants of the Philippines"
T. H. Pardo de Tavera
Common petiole swollen at the base, 2 stipules and 1 Glandule.
"The Medicinal Plants of the Philippines"
T. H. Pardo de Tavera
Common petiole, cleft at the base, lacking Glandule.
"The Medicinal Plants of the Philippines"
T. H. Pardo de Tavera