Dilatation growth occurs in the secondary phloem rays, in the axial secondary phloem parenchyma, and in the parenchyma of the cortex of Ficus pumila (a Iiana) and Ficus sycomorus (a tree). Dilatation growth in Ficus pumila is mostly the result of meristematic activity, but in Ficus sycomorus it is the result of both meristematic activity and increase in cell size. Dilatation meristem is formed in the rays in various patterns: in the center of the ray, at one or two of the ray's margins, in horizontal or diagonal strips (relative to the axis) in the ray, or in more than one pattern in a single ray.
"Patterns of Dilatation Growth in Ficus Pumila and Ficus Sycomorus,"
Aliso: A Journal of Systematic and Floristic Botany:
3, Article 30.
Available at: https://scholarship.claremont.edu/aliso/vol14/iss3/30
© 1996 Simcha Lev-Yadun
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