noun
Japanese white pine; Pinus parviflora
A five-needle pine native to Japan, often used in bonsai and ornamental gardening.
庭に五葉松を植えた。
I planted a Japanese white pine in the garden.
この盆栽は五葉松です。
This bonsai is a Japanese white pine.
From 五 (five) + 葉 (leaf/needle) + 松 (pine), referring to the characteristic bundles of five needles.