绒毛含笑 rong mao han xiao

Magnolia lanuginosa (Wallich) Figlar & Nooteboom; M. velutina (Candolle) Figlar (2000), not P. Parmentier (1896); Michelia lanceolata E. H. Wilson; M. lanuginosa Wallich; Sampacca lanuginosa (Wallich) Kuntze.

Trees, to 15-20 m tall, to 90 cm d.b.h. Bark dark brown. Young part densely gray long tomentose. Twigs, leaf blade adaxial midvein, brachyblasts, gynoecium stalks in fruiting, and mature carpels residually sparsely long tomentose. Twigs with spongy pith, diaphragmed sclerenchyma. Stipular scar ca. 1/2 as long as petiole. Petiole 1-2 cm, densely gray long tomentose; leaf blade narrowly elliptic to elliptic, 11.5-18.5 × 4-6 cm, thinly leathery, secondary veins 18-20 on each side of midvein, dense and slender, divergent, and reticulated 4-6 mm from margin, base broadly cuneate to obtuse, apex acute to slightly obtuse and with a short acumen. Flowers axillary near twig apex, 8-10 cm in diam. Tepals 10-12, pale yellow, narrowly oblanceolate, 4-6.5 × 1-1.8 cm; tepals of outer whorl sericeous; tepals of inner whorl smaller. Staminal connective exserted and forming a mucro. Gynoecium and carpels densely long tomentose. Fruiting brachyblasts 1-1.5 cm. Fruiting gynophore ca. 5 mm, with lenticels and sparse long trichomes. Fruit 10-13 cm; mature carpels sparse or crowded at apical part of gynoecium, obovate, basally shrinking into gynophore, apex obtuse and mucronate. Seeds orangish yellow. Fl. May-Jun, fr. Aug-Sep. 2n = 38.

Forests, slopes; 1500-2400 m. S Xizang, Yunnan [Bhutan, NE India, Nepal].