Buckleya lanceolata (parasitic shrub)
A species of parasitic deciduous shrub native to Japan. The name is often written in katakana as ツクバネ. Botanical term.
Tsukubane is a deciduous shrub that parasitizes the roots of other trees.
petunia
twin-flowering abelia; Abelia spathulata
Katakana spelling is common for this plant name; usually written in kana.
Kanji form is rare and may not be widely recognized; no priority markers are specified.
The name つくばね likely derives from the shape of the fruit resembling the feathered shuttlecock (衝羽根) used in the game hanetsuki, but the exact origin is uncertain.