Plant Cone

**Definition:** Any conical shaped aerial plant structure with scales or bracts arranged spirally around axis. It includes familiar seed cones of PINE TREE and other GYMNOSPERMS, pollen cones (e.g., microstrobilus), spore capsules in HORSETAIL and CLUBMOSS and mature female catkins or seed cones of ALDER and BIRCH trees. Cone morphology is important in gymnosperm classification.

**Tree numbers:** - A18.024.625

**Synonyms:** - Plant Cones - Cones, Plant