红脉梭罗 hong mai suo luo

Trees, to 8 m tall. Branchlets densely red-brown stellate tomentose. Petiole 1.5-3.5 cm, hairy; leaf blade elliptic or oblong, 7.5-14 × ca. 4.6 cm, papery, abaxially densely yellowish brown stellate tomentose, and densely reddish brown tomentose along main veins, adaxially nearly glabrous or minutely red-brown stellate tomentose along midrib and lateral veins, lateral veins 7-9 on each side of midrib, base obtuse or nearly rounded, apex obtuse. Inflorescence cymose, corymbose, ca. 4 cm, densely reddish brown stellate tomentose. Calyx campanulate, ca. 9 mm, densely yellowish brown tomentose, 4- or 5-lobed, lobes triangular, ca. 2 mm. Petals 5, white, spatulate, ca. 15 mm, sparsely puberulent, apex rounded, extending sideways to form 2 ear-shaped appendages. Androgynophore 1.7-3 cm, glabrous. Ovary globose, ca. 1.5 mm in diam., yellowish hairy; style short, not apparent. Capsule narrowly ellipsoid, 5-angled, 2.5-3 cm, apex obtuse or rounded, yellow-brown puberulent. Seeds ca. 1.5 cm including wing. Fl. Apr-May.

● Limestone forests; ca. 1000 m. SE Yunnan (Funing).

The red midrib and lateral veins, especially of young leaves, and the narrowly ellipsoid capsule with a rounded or obtuse apex readily distinguish Reevesia rubronervia from other species.