Catkin
cat·kin (kăt’kĭn) A usually dense, cylindrical, often drooping cluster of unisexual apetalous flowers found in willows, birches, and oaks. Also called ament. Willow – Catkin
Buttress
but·tress (bŭt’rĭs) Supported against strain in any direction by a conspicuous ridge-like enlargement of the trunk vertically to the roots. Several of these buttresses often give a tree a square appearance.
Anther
an·ther (ăn’thər) The pollen-bearing part of the stamen.
Corolla
Corolla (kə-rŏl’ə -rō’lə): Collectively, the petals of a flower.
Acuminate
Acuminate (ə-kyū’mə-nĭt, -nāt): Tapering to a point; pointed.
Drupe
Drupe (drūp): Any of several stone fruits in which the outer part of the ovary wall forms a skin, the middle part becomes fleshy and juicy, and the inner part forms a hard pit or stone around the seed; e.g.,…
