Daniel Janzen, a professor of biology at the University of Pennsylvania, told the Journal that these plants may be flowering together because they're related.

丹尼尔·詹森是宾夕法尼亚大学生物学教授，他在接受《华尔街日报》采访时表示，这些植物同时开花是因为它们是相关联的。

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“You hold the wing up against the light, so you can see the veins,” said study co-author Daniel Janzen, an evolutionary ecologist at the University of Pennsylvania.

“如果你把昆虫的翅膀举起来对着光线，那么你就能很清晰地看到里面的脉络，”学术合著人，宾夕法尼亚大学的生物进化学家Daniel Janzen如是说。

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“You hold the wing up against the light, so you can see the veins, ” said study co-author Daniel Janzen, an evolutionary ecologist at the University of Pennsylvania.

“如果你把昆虫的翅膀举起来对着光线，那么你就能很清晰地看到里面的脉络，”学术合著人，宾夕法尼亚大学的生物进化学家Daniel Janzen如是说。

youdao

“You hold the wing up against the light, so you can see the veins, ” said study co-author Daniel Janzen, an evolutionary ecologist at the University of Pennsylvania.

“如果你把昆虫的翅膀举起来对着光线，那么你就能很清晰地看到里面的脉络，”学术合著人，宾夕法尼亚大学的生物进化学家Daniel Janzen如是说。

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