The life cycle of the black truffle (Tuber melanosporum) includes a mating before sporulation: although the species is hermaphroditic, mating turns out to involve parents with very different features, that mostly behave as male or female only, suggesting that this species undergoes forced dioecism.

中文翻译：

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黑松露，具有强迫性行为的雌雄同体

黑松露（Tuber melanosporum）的生命周期包括孢子形成前的交配：尽管该物种是雌雄同体的，但交配却涉及具有非常不同特征的父母，它们的行为大多仅表现为雄性或雌性，这表明该物种经历了强迫性雌雄同体。 。