noun
henna
Refers to the plant Lawsonia inermis or the dye made from it. In modern Japanese, the katakana form ヘナ is standard; this kanji spelling is extremely rare and mostly found in older or specialized texts.
See also: ヘナ
指甲花は、ヘナの漢字表記として古い文献に見られることがある。
The kanji 指甲花 (shikōka) can be found in old documents as a way to write 'henna'.