Malus honanensis Rehder

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 : 58-61

15. Malus honanensis Rehder

Figs 37–38

Journal of the Arnold Arboretum 2 (1): 51 ( Rehder 1920).

Sinomalus honanensis (Rehder) Koidz. , Acta Phytotaxonomica et Geobotanica 3 (4): 196 ( Koidzumi 1934b). – Pyrus honanensis (Rehder) M.F.Fay & Christenh. , Plant Gateway’s The Global Flora: A Practical Flora to Vascular Plant Species of the World. Vol. 4: 107 (Christenhusz et al. 2018).

– Type: CHINA • Henan, Song Xian, Shi-zi-miao (Shih Tze Miao); 26 May 1919; fl; J. Hers 489; type: A [ A00026648 ] !

Examined specimens

CHINA – Beijing • Haidian ; 21 Aug. 1962; fr; Guoren 16; PE • ibid.; 5 May 1962; fl; Renguo 66; PE . – Gansu • Heshui ; 7 Sep. 1990; st; L.P. Liu 77; QYTC • Zhengning ; 18 May 1991; fl; L.P. Liu 910029; QYTC • Zhongwan ; 15 May 1985; fl; L.P. Liu 151; QYTC • Wenxian ; 9 May 2007; fl; Baishuicaiji Team 4570; PE • Wushan ; 19 May 1956; fl; Anonymous 00039; PE • Dangchang ; 7 Aug. 1951; fr; Z.B. Wang 14743; PE • Kangxian ; 16 Jul. 1963; fr; Z.Y. Zhang 16893; PE . – Guizhou • YinKiang ; 8 Aug. 1931; fr; Anonymous 51519; IBK . – Hebei • Shexian ; 23 May 1979; fl; Anonymous 20842; BNU • ibid.; 15 Jun. 1958; st; K.J. Guan 5455; PE • ibid.; 23 Jun. 1958; fr; K.J. Guan 5585; PE • Wuan ; 13 Sep. 1979; fr; Anonymous 21282; BNU • ibid.; 17 May 1973; fl; K.J. Guan et al. 47; PE • ibid.; 17 Jul. 1972; fr; WU225; PE • ibid.; 17 Jul. 1972; fr; WU227; PE • Cixian ; 22 Jul. 1935; fr; H.F. Zhou 43276; PE . – Henan • Lushi ; 11 May 1975; fl; Y.H. Guo 426; IBSC • ibid.; 4 Jul. 2005; fr; M. Liu H20195; PE • ibid.; 14 Jul. 1935; fr; K.M. Liou 4761; PE • Xinyang ; Jun. 1959; fl; X.H. Wang 347; HENU • ibid.; 3 May 1959; fr; X.H. Wang 342; HENU • Neixiang; 25 Aug. 1982; fr; Institute of Henan Biology Botanical Expedition 056; PE • Luanchuan; 1959; fr; Puchabiaoben 21104; PE • Tiantanshan ; Jul. 1997; fr; Z.H. Xin 049; HENU • Shaoyuan ; Jul. 1995; fr; X.M. Fan 0010; HENU • Nanyang ; Aug. 1959; fr; S.Y. Wang 13; HENU • Songshan ; 24 Apr. 1921; fl, fr; J. Hers 195; AU . – Hunan • Hupingshan ; May 1981; fl; Y.C. Fang & X.P. Wang 051; NYA • ibid.; 8 Jun. 1987; st; C.L. Long 87413; CSFI . – Qinghai • Xining ; 24 May 1990; st; Z.H. Zhang et al. 5691; HNWP . – Shanxi • Lingchuan ; 26 Jul. 1980; fr; S.Y. Bao & S.J. Yan 373; HSIB • ibid.; 7 Jul. 1980; fr; S.Y. Bao & S.J. Yan 54; HSIB • Qinyuan ; 20 Sep. 2002; fr; K. Bachtell et al. 043; PE • Yuanqu ; 19 May 1960; fl; X.Y. Liu & F. Zhao 20078; PE • Yangcheng ; 3 Jun. 1982; fr; T.W. Liu & S.B. Zeng 270; HSIB • Yucheng ; 14 May 1957; st; Fenhe Team 226; IBK . – Shaanxi • Zhouzhi ; 2 Aug. 2016; fr; Qinling Botanical Expedition-Team 354; NAS • Taibai ; 23 Jun. 1958; st; 58- Qinling Team 10064; PE • Taibai ; 6 May 1939; fl; K.T. Fu 2612; IBK • ibid.; 26 Jun. 1958; st; Z.P. Wei 935; HHBG . – Sichuan • Nanchong ; 12 Jun. 1972; fr; Pucha Team 72N-936; SM • Daxian ; 23 Aug. 1978; fr; Tongjiangpucha Team 1031; SM • Nanping ; 26 May 1979; fr; Pucha Team 0254; SM • Zhaojue ; 10 May 1979; fr; Zhaopu Team 0258; SM • Jinyang; 9 May 1959; st; Southwest Normal University Department of Biology 02569; SM .

Description

Small tree or shrub, 5‒7 m high. Branches terete, pubescent when young, glabrescent. Leaves petiolate, petiole ca 1.9 cm long, densely lanuginous. Lamina ca 6.4 × 4.6 cm, usually oval, sometimes elliptical, base rounded, truncate or cordate, equilateral, apex acute or obtuse, margin crenate to serrulate, blade lanuginous, densely pubescent on midvein, usually 3‒6-lobed. Inflorescence corymbose, with 5‒10 flowers. Pedicel ca 2.0 cm long, pubescent when young, glabrescent. Hypanthium puberulous. Sepals triangular, abaxially glabrous, adaxially densely puberulous, persistent. Petals ca 0.8 × 0.7 cm, white, obovate. Stamens ca 20, unequal. Styles 3 or 4, longer than stamens, glabrous. Pome ca 0.8 cm in diameter, subglobose, yellow to red, with white fruit spots. Carpopodium ca 2.4 cm long, glabrous.

Phenology

Flowers in May. Mature fruits from August to September.

Habitat

Terrestrial, seasonally green, growing in forests on slopes or in valleys; 800‒1000 m a.s.l.

Distribution

China (Gansu, Guizhou, Hebei, Henan, Hunan, Shanxi, Shaanxi, Sichuan) ( Fig. 37 ).

Chromosome number

2n = 34.

Figures

Fig. 37. Distribution of Malus honanensis Rehder.

Fig. 38. Morphological characters of Malus honanensis Rehder; A00026648/K000758432, QIN05070, K000758433, P03144438, PE00927715, PE00927742, HENU1008050. Scale bars = 10 mm.