@article {2562,
	title = {Evolutionary implications of typical and anomalous secondary growth in arborescent <i>Ipomoea </i>(Convolvulaceae)},
	journal = {Bulletin of the Torrey Botanical Club},
	volume = {119},
	number = {3},
	year = {1992},
	pages = {262-267},
	keywords = {Anatomy, evolution, I. carnea, I. murucoides},
	author = {McDonald, J. A.}
}
