黄山玉兰 huang shan yu lan

Magnolia cylindrica E. H. Wilson, J. Arnold Arbor. 8: 109. 1927.

Trees, to 10 m tall. Bark grayish white, smooth. Young twigs, petioles, and leaf blade abaxial surfaces with pale yellow appressed trichomes. Old twigs purplish brown, bark with pungent odor when crushed. Stipular scar 1/6-1/3 as long as petiole. Petiole 0.5-2 cm, narrowly furrowed; leaf blade obovate, narrowly obovate, or obovate-oblong, 6-14 × 2-5(-6.5) cm, membranous, abaxially grayish green, adaxially green and glabrous, base nearly rounded to broadly cuneate, apex obtuse, acute, or caudate. Peduncle 1-1.5 cm, thick and strong, densely pale yellow long sericeous. Flowers appearing before leaves, erect. Flower buds ovoid, with pale grayish yellow to silvery gray long trichomes. Tepals 9; outer 3 tepals sepal-like, 1.2-2 × ca. 0.4 cm, membranous; tepals of middle and inner whorls white but base usually red, petal-like, obovate, 6.5-10 × 2.5-4.5 cm, base clawed; inner 3 tepals erect. Stamens ca. 1 cm; filaments pale red; connective exserted and forming a tip or mucro. Gynoecium green, cylindric-ovoid, ca. 1.2 cm. Fruit purplish red at first then turning dark purplish black, cylindric, 5-7.5 × 1.8-2.5 cm, pendulous; mature carpels connate and not curved. Seeds (without testa) brown, cordate, 7-10 × 9-11 mm, laterally compressed, adaxially broadly furrowed, base cuneate, apex V-shaped. Fl. Apr-Jun, fr. Aug-Sep. 2n = 76*.

● Forests; 700-1600 m. Anhui, Fujian, S Henan, Hubei, Jiangxi, Zhejiang.

Magnolia concinna Y. W. Law & R. Z. Zhou (in Y. H. Liu, Magnolias China, 44. 2004) belongs here but was not validly published because no Latin description or diagnosis was provided and no type was indicated (Vienna Code, Art. 36.1 and 37.1).