0 on a plant, the angle between the top of a leaf or stem and the stem or branch that it grows from -- 葉腋（植物葉或莖的頂部與其所處的葉梗或枝條間所形成的角）
After the death of the growing point, small bunches of leaves develop in the older leaf axils.
The main distinction between these habitats and water impounded by leaf axils is the presence of secreted plant fluids that digest organic material falling into the plant.
Many of the moss clumps examined in the laboratory had significant quantities of sand, soil, and fine gravel within the axils of the leaves, and between their stems.
The inflorescences are fascicles that are borne mainly at the ends of the branches, with buds initiated in the axils of leaves just before the latter are dropped.
Tillandsia punctulata has mostly narrow leaves but with broader bases that are able to store small quantities of water in the axils.
Male trees have white catkins that extend to 15to 20 and dangle from twigs at the axils of the leaves.
Flowers occur in the upper leaf axils, drooping in bud and becoming erect as they bloom.
The flowers are solitary in upper axils; they lack a calyx and have a pinkish-buff corolla with long, yellowish stigmas.
