Pieris swinhoei Hemsl.

Shrubs 2–3 m tall. Twigs sparsely pubescent. Leaves pseudoverticillate; petiole 2–7 mm; leaf blade narrowly lanceolate to elliptic, 4–12 × ca. 1.2 cm, both surfaces with sparse glandular hairs, midvein prominently raised abaxially and adaxially, secondary and fine veins reticulate, raised abaxially, inconspicuous and slightly raised or flat adaxially, base narrowly cuneate, margin toothed or inconspicuously so on upper half, apex acute. Inflorescences racemose, erect; rachis 15–20 cm, sometimes with basal branches. Pedicel ca. 5 mm. Calyx lobes narrowly triangular, 5–7(–13) mm. Corolla tubular-urceolate, 8–10 mm; lobes broadly triangular. Filaments geniculate, ca. 6 mm, pubescent. Ovary conical, densely fulvous hairy; style strongly sunken into apex. Capsule subglobose, ca. 5 mm in diam., pubescent. Seeds angled-ovoid, 1–1.5 mm. Fl. Apr–Jun, fr. Jul–Sep.

Fujian, Guangdong.

Streamsides in forests, thickets, low hills; ca. 700 m.

Pieris swinhoei là một loài thực vật có hoa trong họ Thạch nam. Loài này được Hemsl. miêu tả khoa học đầu tiên năm 1889.

长萼马醉木（学名：Pieris swinhoei）为杜鹃花科马醉木属下的一个种。