A revision of the genus Malus Mill. (Rosaceae) Author Liu, Jian-quan liujq@lzu.edu.cn Author Gao, Xin-fen Key Laboratory of Mountain Ecological Restoration and Bioresource Utilization and Ecological Restoration and Biodiversity Conservation Key Laboratory of Sichuan Province, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, Sichuan, China. School of Life Science, Sichuan University, Chengdu 610065, Sichuan, China. University of Chinese Academy of Sciences, Beijing 100049, China. xfgao@cib.ac.cn text European Journal of Taxonomy 2022 2022-12-28 853 1 127 http://dx.doi.org/10.5852/ejt.2022.853.2019 journal article 222443 10.5852/ejt.2022.853.2019 aedbf741-3844-4f1b-9c45-5504394416a9 2118-9773 7501371 19 . Malus ombrophila Hand.-Mazz . Figs 45–46 Anzeiger der Akademie der Wissenschaften in Wien , Mathematische-naturwissenschaftliche Klasse 63: 1, 8 ( Handel-Mazzetti 1926 ). Pyrus ombrophila (Hand.-Mazz.) M.F.Fay & Christenh ., Plant Gateway’s The Global Flora : A Practical Flora to Vascular Plant Species of the World. Vol. 4 : 114 (Christenhusz et al. 2018) . – Type : CHINA • Yunnan , toward the end of the Tibeto-Birman river Nu Jiang (Salween) and Dulong Jiang (Djioudjiang) , in the warm temperate valley Tjiontson-lumba below Tschamutong ; alt. 2250‒2650 m ; 28 Jun. 1916 ; fr; Handel-Mazzetti 9119 ; holotype : WU [ WU0059445 ] ! Examined specimens CHINA – Beijing • Haidian ; 20 Apr. 1962 ; fl; Renguo 67 ; PE • ibid.; 28 Aug. 1962 ; fr; Renguo 54 ; PE . – Chongqing • Chengkou ; 23 Sep. 1958 ; fr; T.L. Dai 106040 ; PE . – Sichuan • Yanyuan ; 9 May 1960 ; fl; S. Jiang et al. 5644 ; PE • Meigu ; 21 Aug. 1959 ; fr; Chuanjingzhi 1913 ; PE • ibid.; 22 Oct. 1993 ; fr; Z.J. Ren 3921 ; PE • Luding ; 22 Sep. 1953 ; fr; X.L. Jiang 37915 ; IBK • Leibo ; 12 Aug. 1972 ; fr; 236 Renwuzu 0688 ; PE • Emeishan ; 25 Jul. 1997 ; fr; G.Z. Li 15518 ; PE • Tah-liang-shan ; 1 Sep. 1934 ; fr; T.T. Yu 3955 ; PE . – Tibet • Bomi ; 3 Sept 1980 ; fr; Ecology Department Plateau Group 14870 ; PE • ibid.; 26 Sep. 2009 ; st; C.R. Zaxi & L. Xi ZhongY 730 ; KUN • Motuo ; 1 Sep. 1980 ; fr; W.L. Chen 14591 ; PE • Chayu ; 7 Oct. 2007 ; fr; Z.D. Fang , G. He & Q.E. Yang XZ-684 ; SABG • Milin ; 9 Aug. 2012 ; fr; Yarlung Zangbo Expedition Team 783 ; BJM . – Yunnan • Gongshan ; 31 Aug. 1940 ; fr; K.M. Feng 7209 ; PE • ibid.; 25 Jun. 1982 ; fl, fr; Qingzang Team 7531 ; PE • ibid.; 8 May 2018 ; fl; H.B. bai & X. He 533324180508128LY ; SABG • Weixi ; 19 Jul. 1981 ; fr; Institute of Beijing Hengduanshan Team 01693 ; PE • ibid.; Aug. 1935 ; fr; C.W. Wang 68690 ; PE , NAS • ibid.; 13 Jun. 1940 ; fl; K.M. Feng 4515 ; PE • Lijiang ; 7 Nov. 1955 ; fr; K.M. Feng 21656 ; PE • Kiukiang ; 3 Aug. 1937 ; fr; T.T. Yu 19595 ; PE • Deqin ; 16 Jul. 1940 ; fr; K.M. Feng 5433 ; PE • ibid.; 7 Jun. 1937 ; fl; T.T. Yu 8521 ; PE . Fig. 45. Distribution of Malus ombrophila Hand. -Mazz. Fig. 46. Morphological characters of Malus ombrophila Hand. -Mazz.; WU0059445 (holotype), KUN0662459, PE00953040, PE00953082, PE01494503. Scale bars = 10 mm. Description Tree, 10‒15 m high. Branches terete, pubescent when young, glabrescent. Leaves petiolate, petiole ca 2.1‒3.0 cm long, puberulous. Lamina ca 8.1‒8.8 × 4.0‒ 4.8 cm , oval to oblong, base cordate, rounded or truncate, equilateral, apex acuminate, acute or obtuse, margin serrulate, blade abaxially villous, rarely 3‒5-lobed. Inflorescence corymbose, with 4‒12 flowers. Pedicel ca 1.7 cm long, puberulous. Hypanthium densely puberulous. Sepals triangular, puberulous, persistent. Petals ca 0.6 × 0.4 cm , white, ovate. Stamens 15‒20, unequal. Styles 3‒5, glabrous. Pome ca 1.5‒2.0 cm in diameter, subglobose, red or yellow, with fruit spots. Carpopodium ca 2.7 cm long, puberulous. Phenology Flowers in June. Mature fruits in August. Habitat Terrestrial, seasonally green, growing in mixed forests in valleys; 2000‒3500 m a.s.l. Distribution China ( Chongqing , Sichuan , Tibet , Yunnan ) ( Fig. 45 ). Chromosome number 2n = 34.