1. Pachylarnax sinica (Y. W. Law) N. H. Xia & C. Y. Wu, Fl. China. 7: 68. 2008.
华盖木 hua gai mu
Basionym: Manglietiastrum sinicum Y. W. Law, Acta Phytotax. Sin. 17(4): 73. 1979; Magnolia sinica (Y. W. Law) Nooteboom; Manglietia sinica (Y. W. Law) B. L. Chen & Nooteboom.
Trees, to 40 m tall, to 1.2 m d.b.h., glabrous. Bark grayish white, finely fissured. Old twigs dark brown; young twigs deep green, 5-9 mm in diam. Petiole 1.5-2 cm, without a stipular scar, base slightly enlarged; leaf blade narrowly obovate to narrowly obovate-elliptic, 15-26(-30) × 5-8(-9.5) cm, leathery, abaxially pale green, adaxially deep green and glossy, midvein prominent on both surfaces, secondary veins 13-16 on each side of midvein, reticulate veins sparse and prominent on both surfaces when dry, base gradually narrowly cuneate and decurrent on petiole, margin slightly revolute, apex rounded and with a ca. 5 mm acute tip, tip obtuse and slightly curved. Flowers terminal, solitary; flower buds green, obovoid to ovoid. Spathaceous bracts just next to tepals. Tepals 9, in 3 whorls; outer tepals oblong-spatulate, apex obtuse; middle and inner tepals obovate-spatulate, smaller. Stamens ca. 65; connective exserted, forming a long tip; anthers dehiscent introrsely. Gynoecium long ovoid; carpels 13-16; ovules 3-5 per carpel. Fruiting gynophore ca. 1 cm. Fruit green when mature, dark brown when dry, obovoid to ellipsoid-ovoid, 5-8.5 × 3.5-6.5 cm; mature carpels narrowly long ellipsoid to obovoid-ellipsoid, 2.5-4 × 1.5-2.5 cm, thickly woody, dehiscing completely along ventral sutures, abaxially with coarse lenticels, apex 2-lobed. Seeds 1-3 per carpel, transversely ellipsoid, bilaterally flat, 1-1.3 cm wide, ca. 7 mm tall. Fl. Apr, fr. Sep-Nov. 2n = 38*.
● Evergreen broad-leaved forests; 1300-1600 m. SE Yunnan (Maguan, Xichou).