6. Neolitsea undulatifolia (H. Léveillé) C. K. Allen, J. Arnold Arbor. 17: 328. 1936.
波叶新木姜子 bo ye xin mu jiang zi
Litsea undulatifolia H. Léveillé, Fl. Kouy-Tchéou, 220. 1914-1915.
Shrubs or small trees, 2-7 m tall. Young branchlets appressed pubescent and becoming glabrous. Leaves clustered at apex of branchlet, subverticillate; petiole 6-12 mm; leaf blade lanceolate or narrowly elliptic, 6-10 × 1.4-2.5 cm, glabrous on both surfaces, except puberulent along midrib adaxially, pinninerved, lateral veins 13-15 pairs, acuminate at both ends. Umbels 2 or 3, clustered, sessile, 4- or 5-flowered. Pedicel ca. 2 mm, yellow villous. Male flowers: perianth segments 4(or 5 or 6), ovate; fertile stamens 6(-8 or 9); filaments glabrous, of 3rd whorls each with 2 broadly cordate glands at base; rudimentary pistil small, glabrous. Fruit ellipsoid, ca. 12 × 8 mm, seated on cup-shaped perianth tube, ca. 5 mm in diam.; fruiting pedicel 8-10 mm, thickened at apex, pubescent. Fl. Nov, fr. Jan-Feb.
● Stony mountains, thickets; 1400-2000 m. SW Guangxi, Guizhou, SE Yunnan.
This species is extremely variable, especially in the number of stamens and perianth segments. These variations sometimes occur on the same plant.