润楠叶木姜子 run nan ye mu jiang zi

Evergreen trees, ca. 13 m tall. Branchlets covered with gray-yellow pubescence. Leaves clustered toward apex of branchlet, subverticillate; petiole ca. 1 cm, gray-yellow pubescent; leaf blade long lanceolate or ovate-long lanceolate, 13-22 × 2.2-3.2 cm, gray pubescent abaxially, glabrous and shiny adaxially, pinninerved, lateral veins 14-19 pairs, transverse veinlets slightly prominent abaxially, base attenuate, apex acuminate or long acuminate and slightly curved. Umbels axillary or lateral, solitary or clustered toward apex of branchlet, male umbel 4-flowered; peduncle lacking. Male flowers: perianth segments 6, long ovate; fertile stamens 9; filaments pubescent at base, of 3rd whorls each with 2 peltate glands at base; rudimentary pistil lacking. Fruit ellipsoid or obovoid-ellipsoid, ca. 13 × 6 mm, seated on discoid perianth tube; fruiting pedicel stout and short, 2-3 mm, pubescent. Fl. Jul-Aug, fr. Dec.

● Shady places in valleys; ca. 500 m. W Guangdong (Gaoyao).