What’s your favorite vocab word having do to with nature?

It can be a flower, an animal, a phenomenon, anything related to nature. Some of my favorites off the top of my head:

木漏れ日 (こもれび) : sunlight filtering through trees

彼岸花 (ひがんばな) : red spider lily

銀木犀 (ぎんもくせい) : fragrant olive (flower)