noun
Biological taxonomy term; the rank between family and species.
ヒト属はホモ属とも呼ばれる。
The genus Homo is also called the human genus.
種 is the taxonomic rank 'species', one level below 属 (genus).
科 is the taxonomic rank 'family', one level above 属 (genus).
From Middle Chinese 屬 (d͡ʑɨok̚). The kanji 属 is a simplified form used in modern Japanese.