Environmental Engineering Reference
In-Depth Information
(a)
(b)
(c)
(e)
(d)
(f)
(g)
(h)
(i)
(j)
(k)
FIGure 27.1 (see color insert) Various aspects of P. elongata biology. (a) Area falling under green line in
the U.S. map is suitable for commercial cultivation of P. elongate. (b) A 4-year-old, well-managed plantation
of P. elongata near Lenox, GA. (c) A 20-week-old P. elongata tree. (d) Many new shoots sprout from a cop-
piced tree. (e) Vigorously growing shoots photographed 1 year after coppicing. (f) P. elongata in bloom during
early spring. Note that there are no leaves at this time of the year. (g) Immature green fruits. (h) Mature and
dehisced fruits (capsules). (i) Winged seed. A cluster of seeds attached to the placenta is shown in the inset.
(j) Seed germination on tissue culture medium. (k) Six-week-old planting of P. elongata at Fort Valley State
University farm in Georgia.
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