Malus doumeri (Bois) A.Chev.

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 : 83-87

25. Malus doumeri (Bois) A.Chev.

Figs 57–58

Comptes Rendus Hebdomadaires des Séances de l'Académie des Sciences 170: 1129 ( Chevalier 1920).

Pyrus doumeri Bois , Bulletin de la Société botanique de France 51: 113 ( Bois 1904). – Docynia doumeri C.K.Schneid. , Repertorium Novarum Specierum Regni Vegetabilis 3: 180 ( Schneider 1906a). – Eriolobus doumeri (Bois) C.K.Schneid. , Illustriertes Handbuch der Laubholzkunde Vol. 1: 728 ( Schneider 1906b). – Docynia indica var. doumeri (Bois) A.Chev. , Revue de Botanique appliquée et d’Agriculture tropicale 22: 379 ( Chevalier 1942).

– Type: VIETNAM • Annam, Lang-bian , on border of forest; alt. 2000 m; st; M. Auguste d’André s.n.; type: P [ P01819344 ]!

Malus formosana Kawak. & Koidz. , Botanical Magazine (Tokyo) 25 (292): 146 ( Kawakami 1911). – Pyrus formosana Kawak. & Koidz. ex Hayata , Journal of the College of Science, Imperial University of Tokyo 30 (Art. 1): 100 ( Hayata 1911). – Pyrus formosanus Kawak. & Koidz. , A List of Plants of Formosa: 34 ( Kawakami 1910). – Malus doumeri var. formosana (Kawak. & Koidz.) S.S.Ying , Memoirs of the College of Agriculture; National Taiwan University 31 (1): 33 ( Ying 1991).

– Type: CHINA • Taiwan, Hakku-taisan ; 1 Sep. 1910; st; U. Mori s.n.; lectotype: IT, here designated; isotype: IBSC [ IBSC0004357 ]!

Pyrus laosensis Cardot , Notulae Systematicae (Paris) 3: 345 ( Cardot 1918). – Malus laosensis (Cardot) A.Chev. , Comptes Rendus Hebdomadaires des Séances de l'Académie des Sciences 170: 1129 ( Chevalier 1920). – Docyniopsis laosensis (Cardot) Koidz. , Acta Phytotaxonomica et Geobotanica 3 (4): 196 ( Koidzumi 1934b). – Docynia indica var. laosensis (Cardot) A.Chev. , Revue de Botanique appliquée et d’Agriculture tropicale 22: 379 ( Chevalier 1942).

– Type: LAOS • Xieng Kouang et Napé ; s.d.; fr; C.J. Spire 540; lectotype: P [ P00781058 ]!, here designated; isolectotype: P [ P00781059 , P00781060 ]!

Pyrus melliana Hand.-Mazz ., Anzeiger der Akademie der Wissenschaften in Wien, Mathematischenaturwissenschaftliche Klasse 60: 96 ( Handel-Mazzetti 1923). – Malus melliana (Hand.-Mazz.) Rehder , Journal of the Arnold Arboretum 20 (4): 414 ( Rehder 1939).

– Type: CHINA • Guangdong, Tsatmukngao, Lianping ; alt. 500‒1000 m; 15 Jul. 1920; fr; R. Mell 657; holotype: WU [ WU0059420 ]!; isotype: A [ A00032498 ]!

Malus asiatica var. argutiserrata Hu & F.H.Chen , Acta Phytotaxonomica Sinica 1 (2): 225 ( Hu & Chen 1951).

– Type: CHINA • Jiangxi, Xiushui Xian; 7 Jul. 1950; fr; Y.G. Xiong 6669; holotype: PE [ PE00004596 ] !

Malus leiocalyca S.Z.Huang , Guihaia 9 (4): 305 ( Huang 1989), syn. nov. – Pyrus leiocalyca (S.Z.Huang) M.F.Fay & Christenh. , Plant Gateway’s The Global Flora: A Practical Flora to Vascular Plant Species of the World. Vol. 4: 110 (Christenhusz et al. 2018).

– Type: CHINA • Fujian, Chongan Xian, on the way from Yongguan to Huangganshan; alt. 1300 m; 2 May 1981; fl; Wuyi Expedition 2414; holotype: IBSC; isotype: FJSI [ FJSI01268 , FJSI012682 ]!, IBG, PE [ PE00952781 ]!

Examined specimens

CHINA – Fujian • Wuping ; 10 Sep. 1983; fr; Meihuashan Team 151; FJSI, IBSC • Congan ; 12 Aug. 1979; fr; Wuyi Exp 00061; PE • ibid.; 23 Jul. 1974; fr; 236-6 Team 829; PE • Guangze ; 24 Aug. 1981; fr; P. Lin 8276; AU • Wuyishan ; 19 Aug. 1984; fr; H.Y. Zou et al. 20058; CSFI • Yongan ; 7 Dec. 1932; st; T.S. Wang 1304; AU • Shaowu ; 2 Oct. 1936; fr; H.C. Zhou 5135; IBSC • Nanping ; 21 May 1932; st; J. He 2035; PE . – Guangdong • Meizhou ; 5 Oct. 2004; fr; X.F. Zeng ZXF00682; CZH • ibid.; 21 May 2011; st; X.F. Zeng ZXF11007; CZH • Gaozhou ; 23 Jul. 1959; fr; P.C. Zhou 10307; PE • Meixian ; 26 Jun. 1957; fr; X.G. Li 201068; PE • Dabu ; 9 Jun. 1957; fr; L. Deng 11960; PE • Ruyuan ; 29 Jun. 1957; fr; Y.G. Liu 000563; PE • Ta ching; 6 Dec. 1927; st; W.Y. Chun 4840; PE • Guangzhou ; 9 Feb. 1953; fl; S.Q. Chen 8199; PE • Heyuan ; 28 Jun. 1958; fr; Z.F. Wei 120682; NAS, IBK, KUN, PE . – Guizhou • Leigongshan ; 5 Sep. 1959; fr; Qiannan Team 4002; PE, NAS • Zhenfeng ; 24 Oct. 1930; fr; Y. Tsiang 4399; PE • Libo ; 22 Apr. 2018; fr; R. Qiu 201810055; QNUN . – Hunan • Pingjiang ; 21 Apr. 2012; fl; J.X. Li et al. 1674; CSFI • Yizhang ; 21 Oct. 1956; fr; L.H. Liu 198; NAS • Xinning ; 16 Jul. 1980; fr; Z.C. Luo 391; PE, HUSF • Zhijiang ; 24 May 1959; fr; P.X. Tan 62505; FJSI, IBK, IBSC . – Jiangsu • Nanjing ; 9 May 1983; fr; D.X. Zuo s.n.; NAS • Lianyungang ; 21 Jul. 1984; fr; D.X. Zuo et al. 501; NAS • Fuxi ; 17 Aug. 1981; fr; F.Y. Yuan 11109; IBK . – Jiangxi • Linchi ; 19 Jul. 1979; fr; D.C. Wu 79-023; PE • Xiushui ; 1 Aug. 1947; fr; Y.G. Xiong 05439; PE • Suichuan ; 24 Sep. 1963; fr; J.S. Yue et al. 4290; PE • ibid.; 9 Nov. 1965; fr; S.S. Lai et al. 5604; IBSC • Jinggangshan ; 23 Sep. 1958; st; J. Xiong 2716; PE, LBG • ibid.; 15 Sep. 1979; fr; S.S. Lai, J.L. Wang & S.C. Zhang 113; LBG • Wugongshan ; 22 Sep. 1954; fr; Jiangxi Expedition 1457; PE • Xunwu ; 20 Jun. 1956; fr; Xiertongxue 1096; IBSC • Xinfeng ; 22 Jul. 2018; fr; Z.B. Tang, W.W. Hu & L. Yang T180722039; GNNU . – Sichuan • Muli ; 14 Oct. 1982; fr; F.D. Pu & G. Yao 143; NAS . – Shaanxi • Luojiacun ; 14 May 1931; fr; Anonymous 22137; NAS. – Taiwan • Xinzhu ; 16 Mar. 1999; fl; G.Z. Yang et al. 5428; PE • Taizhong ; 28 Feb. 2001; fl; C.W. Wang & C.Y. Li 04716; PE • ibid.; 5 Jun. 2001; fr; C.M. Wang 05014; PE • Sintikusyu Tikutogun ; 13 Oct. 1940; st; Suzuki Tokio ST 20727; PE . – Yunnan • Funing ; 25 May 1940; fr; C.W. Wang & Y. Liu 89611; PE • locality unknown; s.d.; fl, fr; Anonymous s.n.; PE [00927626] . – Zhejiang • Lonagquan ; s.d.; fr; R.H. Shan et al. 5777; NAS • ibid.; 4 Dec. 1927; fr; W.Y. Chun 5840; NAS • ibid.; 28 Aug. 1957; st; C.F. Zhang & Z.Z. Huang 37; PE • Jingning ; Nov. 1958; fr; S.Y. Zhang et al. 24395; NAS • Kaihua ; 2 Jun.1990; fr; Xu, Mei & Chen 0846; ZM • Lishui ; 18 Apr. 2016; fl; Q.F. Zahng et al. ZX00141; CSH • Xianju ; 18 May 1960; fr; Anonymous 7998; NAS • Wuyi ; 4 Jul. 1985; fr; X.W. Zheng J8313-135; PE • Suichang ; 2 May 1959; fr; M.L. She et al. 25791; NAS .

LAOS • Xieng Kouang; s.d.; Dr. Spire 1568; P • Tran-ninh ; s.d.; Pidance 2; P .

Description

Small tree or shrub, 4‒10 (15) m high. Branches terete, pubescent when young, glabrescent. Leaves petiolate, petiole ca 1.9 cm long, pubescent when young, glabrescent. Lamina ca 9.4 × 3.8 cm, oblong to ovate, base rounded or cuneate, oblique, apex acute or acuminate, margin crenate to serrulate, blade pubescent when young then glabrescent, or glabrous. Inflorescence corymbose, with 4‒5 flowers. Pedicel ca 1.5‒3.0 cm long, puberulous. Hypanthium puberulous. Sepals lanceolate, abaxially puberulous, adaxially densely crinite, persistent. Petals yellowish-white, ovate. Stamens ca 30, unequal. Styles 5, pubescent at base. Pome ca 2.5‒5.5 cm in diameter, subglobose, yellow to red. Carpopodium ca 2.3 cm long, puberulous or glabrous.

Phenology

Flowers in May. Mature fruits from August to September.

Habitat

Terrestrial, seasonally green, growing in mixed forests in valleys or mountainous regions; 700‒2400 m a.s.l.

Distribution

China (Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hunan, Jiangsu, Jiangxi, Sichuan, Shaanxi, Taiwan, Yunnan, Zhejiang) ( Fig. 57 ).

Chromosome number

2n = 34.

Figures

Fig. 57. Distribution of Malus doumeri (Bois) A.Chev.

Fig. 58. Morphological characters of Malus doumeri (Bois) A.Chev.; A00032498 (isotype of Pyrus melliana Hand.-Mazz.), CSF1033248, P00781055 (syntype), P00781056, P00781058 (lectotype of Pyrus laosensis Cardot), P03144755, P03144777, P03144789, PE00004596 (holotype of Malus asiatica var. argutiserrata Hu & F.H.Chen), PE00927581, QIN05067, CSFI012166 (M. leiocalyca), CSFI012188 (M. leiocalyca), PE00952771 (M. leiocalyca), PE00952776 (M. leiocalyca), PE00952780 (paratype of M. leiocalyca), PE00952781 (isotype of M. leiocalyca), IBK00367917 (M. leiocalyca), IBK00197343 (M. melliana), IBK00197341 (M. melliana), JXAU0004023 (M. melliana), JXAU0004034 (M. melliana), P03144393 (M. melliana), PE01460689 (M. melliana). Scale bars = 10 mm.