多花玉兰 duo hua yu lan

Magnolia multiflora M. C. Wang & C. L. Min, Acta Bot. Boreal.-Occid. Sin. 12: 85. 1992.

Trees, to 14 m tall, to 31 cm d.b.h. Bark gray. Annual twigs purplish green, smooth, glabrous. Stipular scar 1/6-1/5 as long as petiole. Petiole 1-2 cm; leaf blade obovate, 5-10 × 3.5-7 cm, abaxially grayish green, adaxially green and glabrous, secondary veins 6-8 on each side of midvein, base broadly cuneate, apex rounded and shortly acute. Flower buds densely grayish yellow sericeous, inserted on twig apex, enclosing 2 or 3 flowers per bud and forming a thyrse, flowers cupular. Flowers appearing before leaves, fragrant. Tepals 12-14(or 15), white but outside pale red at base, narrowly obovate to obovate-lanceolate, 4.6-6.8 × 1.1-2.3 cm. Stamens 1.1-1.6 cm; filaments purplish red, ca. 4 mm; connective exserted and forming a mucro; anthers 7-8 mm, dehiscing laterally. Gynoecium green, cylindric, 1.8-3 cm. Fruit cylindric, 4-9 cm, usually curved because of carpels partly undeveloped; mature carpels grayish brown, globose and compressed, 0.7-1.5 cm in diam., abaxially tuberculate, dehiscing into 2 valves along dorsal sutures. Fl. May, fr. Aug-Sep.

● Forests; 1600-1700 m. Shaanxi (Ningshan).

This plant may be a hybrid between Yulania biondii and Y. sprengeri. Both species are grown for the production of medicinal xinyi and easily hybridize.