Key points are not available for this paper at this time.
Journal Article The Families of Flowering Plants. Vol. I, Dicotyledons. Vol. II, Monocotyledons Get access The Families of Flowering Plants. Vol. I, Dicotyledons. Vol. II, Monocotyledons. Hutchinson J. . 2nd ed. , 792 pp. , illus. Oxford University Press, London. (1959) 23. 55. Charles B. Heiser, Jr. Charles B. Heiser, Jr. Department of Botany, Indiana University. Search for other works by this author on: Oxford Academic Google Scholar AIBS Bulletin, Volume 10, Issue 3, June 1960, Page 38, https: //doi. org/10. 2307/1292633 Published: 01 June 1960
Heiser et al. (Wed,) studied this question.