Refers to the small seeds of the poppy plant, used in cooking and baking.
See also: ポピーシード
This bread has a lot of poppy seeds in it.
Poppy seeds are often used as a decoration for cakes.
Standard kanji-kana mixed spelling.
Katakana spelling for the plant name, also common.
Ateji spelling; rarely used.
Compound of けし (poppy) + の (possessive particle) + 実 (seed).