单语范例（未经PONS编辑处理）
英语
- It usually contains a single seed (rarely two seeds), enclosed in a tough, leathery shell, and borne in a cup-shaped cupule.en.wikipedia.org
- The cupule holds and protects the fruit during its growth and maturation.en.wikipedia.org
- The staminate flowers mature from green to yellow, triangular in bud, with three sepals fused into a lobed cupule and three valvate petals.en.wikipedia.org
- The fruits are oblong berries which are covered by a cup-shaped cupule where they join the peduncle, giving them an appearance similar to an acorn.en.wikipedia.org
- The fruits drupes, drupe borne on pedicel with or without persistent tepals at base, or seated in deeply cup-shaped receptacle (cupule), or enclosed in accrescent floral tube.en.wikipedia.org
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