112. Lacking spur branches, the
leaves strongly 2-ranked; petiole short, less than 5 mmlong;
leaves coarsely single-toothed (sometimes partially double-toothed);
fruit a dry, flattened papery samara.
|
Ulmus
pumila |
112. Often developing spur branches
on mature branches (but not necessarily on sprouts or the
fastest growing branches); petioles longer than 5 mm; leaves
finely single toothed; fruit an apple or pear.
|
Malus
pumila
Malus sieboldii
Pyrus communis
|
|
