Malus prattii (Hemsl.) C.K.Schneid.

Li, Jing-chao, Liu, Jian-quan & Gao, Xin-fen, 2022, A revision of the genus Malus Mill. (Rosaceae), European Journal of Taxonomy 853, pp. 1-127 : 63-66

17. Malus prattii (Hemsl.) C.K.Schneid.

Figs 41–42

Illustriertes Handbuch der Laubholzkunde Vol. 1: 719 ( Schneider 1906b).

Pyrus prattii Hemsl. , Bulletin of Miscellaneous Information, Royal Gardens, Kew 1895 (97): 16 ( Hemsley 1895). – Docyniopsis prattii (Hemsl.) Koidz. , Acta Phytotaxonomica et Geobotanica 3 (4): 196 ( Koidzumi 1934b).

– Type: CHINA • Sichuan, west Szechuen and Tibetan frontier , chiefly near Tachienlu; alt. 9000‒13 000 ft; Dec. 1890; A.E. Pratt 93; lectotype: K [ K000758434 ]!, here designated; isolectotype: P [ P01819343 ] !

Malus baoshanensis G.T.Deng , Journal of Sichuan Agricultural University 9 (1): 47 ( Deng et al. 1991).

– Type: CHINA • Yunnan, Baoshan , Shabaxiang, Lijiasi; 29 May 1990; fl; G.T. Deng 9002; type: SAU .

Malus prattii var. glabrata G.Z.Qian , Bulletn of Botanical Research 25 (2): 132 ( Qian & Tang 2005).

– Type: CHINA • Sichuan, Baoxing, Daqiangpeng ; alt. 2750 m; 14 Apr. 1983; fl; X.S. Zhang & Y.X. Ren 5385; holotype: CDBI [ CDBI10043762 ]!; isotype: CDBI [ CDBI10043763 , CDBI10043764 , CDBI10043765 ]!, PE [ 00953187 ]!, SZ [ 00203448 ]!, SAU .

Examined specimens

CHINA – Chongqing • Nanchuan ; 1 Oct. 1957; fr; J.H. Xiong & Z.L. Zhou 93784; PE • ibid.; 29 Sep. 1957; fr; J.H. Xiong & Z.L. Zhou 93722; PE • ibid.; 9 Jul. 1957; fr; G.F. Li 62561; NAS, PE, IBSC, SZ . – Guizhou • Fan-tsing Shan ; 9 Aug. 1931; fr; S.S. Sin 51519; IBSC • Songtao ; 7 Jul.1959; fr; Qianbei Team 1357; SHM . – Sichuan • Luding ; 12 Aug. 2010; fr; J.I. Jeon et al. SI1473; PE • ibid.; 21 Jun. 1980; fr; Z.A. Liu 22579; IBSC • Tianquan; 29 Aug. 1963; fr; Chuangxi Team (K.J. Guan & W.C. Wang et al.) 2105; PE • ibid.; 15 jun. 1959; fr; Chuanjingzhi-Sichuan College of Agriculture Botany (58) 00990; PE • ibid.; 4 Aug. 1982; fr; D.Y. Peng 45926; IBSC • ibid.; 19 Sep. 1953; fr; X.L. Jiang 37826; IBK • Mianning ; 20 Jul. 1959; fr; S.G. Wu 2043; PE • Shimian ; 1955; fr; C.J. Xie 41965; IBSC • ibid.; 1955; fr; C.J. Xie 42054; PE • Emeishan ; 1 Jul. 1952; fr; J.H. Xiong, X.S. Zhang & X.L. Jiang 31408; IBK • ibid.; 6 Aug. 1957; fr; G.H. Yang 56463; PE, SZ • ibid.; 27 Aug. 1935; fr; T.H. Tu 683; PE • Baoxing; 1 Jun. 1958; fl; Sichuan College of Agriculture 5385; CDBI • Ebian , 13 Oct. 1939; fr; T.N. Liou & C. Wang 1420; PE • Yaan ; 19 Aug. 1978; fr; Lushan Team 78-0768; SM • Congzhou ; 30 Jul. 2015; fr; W.B. Ju et al. AZH00382; CDBI . – Yunnan • Weixi ; 11 May 1982; fl, fr; Qingzang Team 6444; PE • ibid.; 20 May 1940; fl, fr; K.M. Feng 4041; PE • ibid.; Aug. 1935; fr; Q.W. Wang 68174; PE • ibid.; Jun. 1935; fl, fr; W.Q. Wu 64070; PE .

Description

Tree, 8‒10 m high. Branches terete, pubescent when young, glabrescent. Leaves petiolate, petiole ca 1.9‒2.3 cm long, puberulous or glabrous. Lamina ca 8.0‒9.1 × 4.3‒5.1 cm, oval to oblong, base rounded or truncate, equilateral, apex acuminate, margin crenate to serrulate, blade puberulous or glabrous. Inflorescence corymbose, with 5‒8 flowers. Pedicel ca 2.2 cm long, glabrous or puberulous Hypanthium puberulous or glabrous. Sepals triangular, abaxially glabrous, adaxially puberulous, persistent or caducous. Petals ca 0.6 × 0.4 cm, white, orbicular. Stamens ca 20, unequal. Styles 5, rarely 4, as long as stamens, glabrous. Pome ca 1.0‒ 1.5 cm in diameter, ellipsoidal, yellow to red, with fruit spots. Carpopodium ca 2.6 cm long, glabrous.

Phenology

Flowers in June. Mature fruits in August.

Habitat

Terrestrial, seasonally green, growing in mixed forests; 1400‒3500 m a.s.l.

Distribution

China (Chongqing, Guizhou, Sichuan, Yunnan, Zhejiang) ( Fig. 41 ).

Chromosome number

2n = 34.

Figures

Fig. 41. Distribution of Malus prattii (Hemsl.) C.K.Schneid.

Fig. 42. Morphological characters ofMalus prattii (Hemsl.) C.K.Schneid.; GH00032502 (isolectotype of Pyrus prattii Hemsl.), K000758434 (lectotype), QIN05038, P01819339, P01819343 (isolectotype), PE00953094, HHBG-HZ016028. Scale bars = 10 mm.