筑紫雌生揉(ツクシメナモミ) Sigesbeckia orientalis L.

　動物にひっつく植物の種は昆虫でもないのに、ひっつき虫と呼ばれます。ひっつき方にも色々あります。ツクシメナモミは、先端の丸い突起がネバネバしているので、動物にひっつきます。

　似ている植物に、より身近なコセンダングサがあります。こちらは、種の先端がトゲトゲしており対象にひっつきます。

　The seeds of plants that stick to fur and clothes are called "Hittuki-mushi" which means sticking insects in Japanese, even though they are not insects. There are various ways to stick. The rounded protuberances on the tip of "Sigesbeckia orientalis L." are sticky, so they stick to the animals.

　There is a similar plant "cobbler's pegs" which is more familiar with us. This has many spines on the seed to stick.

Sigesbeckia orientalis L.

cobbler's pegs
Source : wikipedia.org