noun
involucre; involucrum
Botanical term for the whorl of bracts surrounding a flower cluster, as in the Asteraceae family.
タンポポの総苞は、花の基部を包んでいる。
The involucre of a dandelion wraps around the base of the flower.
From 総 (そう, 'all, whole') + 苞 (ほう, 'bract, husk'), referring to the collective bracts surrounding an inflorescence.