Macaranga kurzii (Kuntze) Pax & K. Hoffm.

Shrubs or small trees, 1-7 m tall. Branchlets yellowish brown pubescent and villous; branches glabrous. Stipules filiform, ca. 3 mm, pilose, caducous; petiole 3.5-6 cm; leaf blade rhombic-ovate or triangular-ovate, sometimes shortly 3-cuspid, 8-14 × 5-8 cm, membranous, abaxially pubescent and sparsely glandular-scaly, adaxially pubescent along veins, base slightly cordate, with 2 or 4 glands, margin entire or minutely denticulate, apex caudate; basal veins 3, lateral veins 5 or 6 pairs. Male inflorescences paniculate, 5-11 cm, pubescent; bracts leaflike, ovate, 1-2.5 × ca. 1 cm, or triangular-ovate, 1-1.5 mm. Male flowers ca. 10, glomerate; sepals 3 or 4, 1.5-2 mm, pubescent; stamens 18-20. Female inflorescences capitate; peduncle 6-12 cm; bracts 2, large, subovate, 1.7-2.5 × 1-1.4 cm, margin serrate, upper part with 4-6 patelliform glands, pilose, or bracts 2 or 3, often lanceolate, ca. 2 mm. Female flower solitary; pedicel ovary 2-locular, sparsely softly echinate; style 2, filiform, 1-2 cm, base connate. Capsule 2-lobed, ca. 12 mm in diam., sparsely softly echinate and glandular-scaly. Fl. Mar-Oct, fr. May-Dec.

SW Guangxi, Yunnan [Laos, Myanmar, N Thailand, N Vietnam].

Mountain slopes, valleys, forests, dry thickets; 300-1600 m.

Tanarius kurzii Kuntze, Revis. Gen. Pl. 619. 1891, based on Macaranga membranacea Kurz, J. Asiat. Soc. Bengal, Pt. 2, Nat. Hist. 42: 246. 1873, not Müller Argoviensis (1866); M. andersonii Craib.