Glossary > A
ALTERNATE
Succeeding regularly on opposite sides of a branch.
ANNUAL
Plants which flower and die in the same year as they are raised from seed
ANTHER
The male organ of a flowering plant, the head of the stamen
ARROWSHAPED LEAF
A wide base with two pointed lobes directed downwards.
AXIL
The angle between a stem and the upper side of a leaf-stalk
.