lady's bedstraw; yellow bedstraw
A flowering plant (Galium verum) with small yellow flowers, native to Europe and Asia. The name is often written in katakana as カワラマツバ.
Lady's bedstraw produces small yellow flowers.
Katakana spelling is common for plant names; usually written in kana.
Kanji spelling exists but is rarely used; the plant is usually written in kana.
The name カワラマツバ literally means 'riverbank pine needle', likely from the plant's habitat and needle-like leaves. The exact origin is uncertain.