• Scientific Name: Acer henryi Pax
• Ref: Hooker’s Icon. Pl. 19: t. 1896. 1889.
• Synonyms:
  Acer cissifolium K. Koch subsp. henryi (Pax) A. E. Murray;
  A. henryi f. intermedium W. P. Fang;
  A. henryi var. serratum Pampanini;
  Crula henryi (Pax) Nieuwland.
• English Common Name: Henry’s Maple
• Chinese Common Name: 建始槭 jiàn shǐ qì；三叶枫 san ye feng
• Family: Sapindaceae
• Genus: Acer
• Distribution: Mixed forests; 500-1500 m. Anhui, Fujian, Gansu, Guizhou, Henan, Hubei, Hunan, Jiangsu, S Shaanxi, S Shanxi, Sichuan, Zhejiang.
• Type: Hab. China, prov. Hupeh, Dr. A. Henry leg. (No. 5644B); prov.Szechwan, Dr.A. Henry leg. (No.5644).

 Trees to 10 m tall, dioecious. Branchlets slender; winter buds small, scales ovate, pubescent. Leaves deciduous; petiole 5-10 mm, pubescent; leaf blade elliptic or oblong-elliptic, 6-12 × 3-5 cm, papery, both surfaces pubescent especially on veins abaxially when young, then glabrescent with only tufts of hairs at vein axils abaxially, 3-foliolate, margin entire or remotely serrate apically, apex acuminate or cuneate. Inflorescence pendulous, racemose, to 7 cm, pubescent. Flowers subsessile or sessile, yellow-green. Sepals 4, ovate, ciliate along margin. Petals 4, white, deciduous before anthesis. Stamens 4, glabrous, rudimentary in pistillate flowers. Disk amphistaminal, small. Ovary glabrous, rudimentary in staminate flowers; style glabrous; stigmas revolute. Fruiting pedicel ca. 2 mm. Nutlets convex, oblong, ca. 1 cm; wing including nutlet ca. 2.5 cm × 5 mm, wings spreading at 90° or erectly. Fl. Apr, fr. Sep.(Flora of China)