osier; common osier; basket willow
A species of willow (Salix viminalis) cultivated for its long, flexible shoots used in basketry. Botanical term; in everyday contexts, often referred to simply as キヌヤナギ.
The common osier is used for basketwork.
キヌヤナギ is a broader term for silky willow species; セイヨウキヌヤナギ specifically refers to Salix viminalis, the European osier.
Kanji spelling exists but is rarely used; the katakana form is preferred.
Compound of 西洋 (せいよう, 'Western') + 絹柳 (きぬやなぎ, 'silky willow'), referring to the European species of osier.