花 is built from the 艹 (grass (top)), 亻 (person (left)), and 匕 (spoon / ladle) components.
It belongs to a phonetic family with 化 and 貨 — they share the 艹 component and the reading カ.
A common word using 花 is 花 (はな), meaning “flower”.
Kanji that look similar include 芳, 芸, 芋, and 芝.