上思梭罗 shang si suo luo

Trees, to 7 m tall. Branchlets robust, sparingly puberulent. Petiole 1.5-3(-3.4) cm, nearly glabrous, ends not swollen; leaf blade elliptic, 8-10.5(-12.5) × 3.5-5(-8) cm, thickly leathery, both surfaces glabrous, lateral veins ca. 6 on each side of midrib, base cuneate or obtuse, apex acute. Inflorescence paniculate, ca. 12 cm, many-flowered, puberulent. Flowers very fragrant. Calyx tube-shaped, tapering to funnel-shaped at base, ca. 7 mm, densely stellate puberulent, 5-lobed, lobes triangular ovate, ca. 1 mm, apex acute. Petals 5, white, spatulate, slightly thickened, ca. 10 × 2 mm, sparsely puberulent, apex obtuse. Androgynophore 2-2.3 cm, glabrous, apically 5-lobed. Ovary ovoid, ca. 1 mm in diam., 5-grooved, puberulent; style minute; stigma very short. Fruit unknown.

● Guangxi (Shiwan Dashan).