In the seed world, that makes them rare, because most seeds from flowering plants are quite robust.
在种子世界里，这使得它们很稀有，因为大多数开花植物的种子都很结实。
These very short-lived plants reproduce prolifically; that is to say they provide a constant rain of seed in the neighborhood of parent plants.
这些寿命极短的植物大量繁殖；也就是说，它们在母株周围持续提供着“种子雨”。
Based on research on wild chili plants in rural Bolivia, the scientists found that the leading cause of seed mortality is a fungus called Fusarium.
基于对玻利维亚郊区野生辣椒的研究，科学家发现导致植物死亡的主要原因是一种名为镰刀霉的菌类。
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