Refers specifically to the tree species Juniperus chinensis. In everyday contexts, the katakana name イブキ is standard.
庭にイブキを植えた。
I planted a Chinese juniper in the garden.
common bistort; Persicaria bistorta
Katakana spelling is common for this plant name; usually written in kana.
Kanji spelling is rare and may not be widely recognized; the katakana form is preferred.
The name イブキ is of native Japanese origin, but its exact derivation is uncertain. The kanji 伊吹 is an ateji spelling.