Abstract
Woody plants may be defined as trees and shrubs “whose stems live for a number of years and increase in diameter each year by addition of woody tissue” [1]. This contrasts with the description for herbaceous plants “with a relatively short-lived aboveground stem that is comparatively thin, soft, and nonwoody” [1]. Included in this definition of woody plants are those vines which are woody, i.e. “plants whose stems are not self-supporting, but either trail on the ground or climb by attaching to other plants or supports” [1]. In this context species such as Manihot esculenta and Carica papaya, included as woody by others [2,3] are regarded as herbaceous here.
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References
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Dunstan, D.I., Tautorus, T.E., Thorpe, T.A. (1995). Somatic Embryogenesis in Woody Plants. In: Thorpe, T.A. (eds) In Vitro Embryogenesis in Plants. Current Plant Science and Biotechnology in Agriculture, vol 20. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-0485-2_12
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