petioles very short, flattened.
"The Medicinal Plants of the Philippines"
T. H. Pardo de Tavera
petioles very short, no stipules.
"The Medicinal Plants of the Philippines"
T. H. Pardo de Tavera
petioles of equal length with the leaves.
"The Medicinal Plants of the Philippines"
T. H. Pardo de Tavera