Bidens henryi Sherff

Erect subshrubs to shrubs 1–2 m tall. Leaves simple, 2.5–13 cm long including petiole, blades lanceolate or elliptic-lanceolate, 1.8–9.5 × 0.5–3.8 cm, glabrous, margins serrate, apex acuminate. Heads (1–)3–4(–7), in diffuse cymes terminating main stem and lateral branches, 5–15 mm in diameter excluding rays, peduncles 1.2–9.5 cm long, glabrous; outer involucral bracts 4–13 mm long, linear, well differentiated from inner bracts, recurved, apex erose, sometimes with few short hairs; ray florets ca. 13, sterile, rays yellow, 12–15 × 2–5 mm; disk florets ca. 30–32, perfect, corollas yellow. Achenes black, straight, 8–10 × 1–2 mm, glabrous or with few inconspicuous setae near the apex; pappus of 2–3 antrorse barbed awns.

Marquesas Islands, occurring on Hiva Oa and Tahuata, (400-) 620–1200 m.

Bidens henryi là một loài thực vật có hoa trong họ Cúc. Loài này được Sherff mô tả khoa học đầu tiên năm 1923.