Family Code: MAGNOL Genus Code: LIRIO Genus CN: tuliptree Genus Authority: L. Genus Summary: A genus of 2 species, trees, relictually distributed, with L. tulipifera in e. North America and L. chinense (Hemsley) Sargent in c. China and n. Vietnam. Genus Identification: Identification notes: Leaf characters of shade leaves and vigorous young shoots are highly variable and also show a variety of shapes not encountered in mature, sun leaves. The leaf characters in the key are based on mature, sun leaves subtending flowers/fruits. The length measurements of the leaf blades are made from the point of attachment of the petiole to the tip of the midvein. Genus References: Fetter (2014); Nooteboom in Kubitzki, Rohwer, & Bittrich (1993); Fetter, Weakley, {& Parks?} (in prep.)=Z. Last Updated: 2019-11-29 Publish: 1