Pistil (pis·til)

Female reproductive structure of a flower, composed of an ovule-containing ovary at the base, one or more pollen-receiving stigmas at the tip.

Leaf Scar

The mark left on the twig at the point of attachment of a leaf petiole when the leaf falls. Tree of Heaven (Ailanthus altissima) – Leaf Scar

Glabrous

gla·brous (glā’brəs) Smooth without hairiness or roughness. gla·brous   (glā’brəs) Glabrous. Smooth without hairiness or roughness.

Lanceolate

lan·ce·o·late   (lăn’sē-ə-lāt’) lan·ce·o·late   (lăn’sē-ə-lāt’) Lance-shaped, broadest above the base, gradually narrowing to the apex.

Fertile

fer·tile (fûr’tl) Capable of producing fruit; or productive, as a flower having a pistil or an anther having pollen.