More than 95% of container-grown longleaf pine (Pinus palustris P. Mill.) seedlings had roots growing downward vertically (geotropically) when examined 7 to 8 mo after transplanting into sand.

Adventitious root formation is a critical process in plant regeneration whereby roots develop from non‐root tissues, such as stems or leaves. This phenomenon underpins vegetative propagation ...

OUR knowledge of the anatomical structure of the stem of Monocotyledons has hitherto been pretty much confined to that of palms, and has been founded to a great extent on the researches of Mohl and ...