Abstract
LAFRANKIE, J. V. (Harvard Forest, Petersham, MA 01366). A Note on seedling morphology and establishment growth in the genus Smilacina (Liliaceae). Bull. Torrey Bot. Club 112:313317. 1985.-In Smilacina racemosa and S. stellata the seedlings and mature plants differ in the form and development of their aerial parts. The epicotyl shoot of seedlings develops monopodially in a morphologically precise fashion over the course of three years. The first year, there is no foliage leaf; the second year, petiolate foliage leaves develop in the absence of an extended aerial stem; the third year, sessile leaves are borne on an extended upright stem. Mature plants of these species grow through the annual sympodial branching of fully extended determinate shoots, and foliage leaves are always sessile. The protracted development and leaf shape exhibited by the seedlings are also exhibited by mature individuals of S. trifolia, (a species which branches profusely to form extensive clones) indicating that these two features are generally characteristic of establishment growth in Smilacina.
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