Acorn
The acorn is the nut of the oaks and their close relatives ; alternatively known as glans. It usually contains a seedling surrounded by two cotyledons, enclosed in a tough shell known as the pericarp, and borne in a cup-shaped cupule. Acorns are 1–6 cm long and 0.8–4 cm on the fat side. Acorns take between 5 and 24 months to mature; see the list of Quercus species for details of oak classification, in which acorn morphology and phenology are important factors.
Read Full WikiDEFINITIONS
- nounThe fruit of the oak, being an oval nut growing in a woody cup or cupule.
- nounA cone-shaped piece of wood on the point of the spindle above the vane, on the mast-head.
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