三葉

Literally, “three leaves”, 三(み)つ (mitsu, “three (objects)”) + 葉(は) (ha, “leaf”). The ha changes to ba as an instance of rendaku (連濁).

• IPA^(key): [mʲit͡sɨba̠]

三(みつ)葉(ば) or 三葉(ミツバ) • (mitsuba) 

1. a leaf of three parts
2. mitsuba, Cryptotaenia japonica

As with many terms that name organisms, this term is often spelled in katakana, especially in biological contexts (where katakana is customary).

三(さん)葉(よう) • (san'yō) 

1. (botany) a three part leaf, especially a three part compound leaf
2. synonym of 南天 (nanten, “nandina, heavenly bamboo, sacred bamboo: Nandina domestica”)