Answers are grounded in this paper and cite their sources.
A. Engler, T. S. Ray, S. S. Renner, Comparative Studies on the Morphology of the Araceae. Part II. On Leaf Placement and Shoot Organization of Araceae, Englera, No. 12, Comparative Studies on the Morphology of the Araceae. Part 2. On Leaf Placement and Shoot Organization of Araceae (1990), pp. 3+5-19+21-107+109-111+113-140
No takes yet. Share an insight, caveat, or question.
Engler et al. (1990) studied this question.
Synapse has enriched 9 related papers. Consider them for comparative context: