Malus baccata (L.) Borkh

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 : 15

1. Malus baccata (L.) Borkh .

Figs 5–6

Theoretisches-praktisches Handbuch der Forstbotanik und Forsttechnologie Vol. 2: 1280 ( Borkhausen 1803).

Description

Tree or small tree. Branches terete, piliferous or glabrous. Leaves petiolate, petiole puberulous or glabrescent. Lamina oval to ovate, base cuneate, apex retuse to caudate, margin crenate to serrulate, blade abaxially piliferous or glabrescent. Inflorescence umbellate. Pedicel piliferous or glabrous. Hypanthium glabrous. Sepals lanceolate, abaxially glabrous, adaxially puberulous, caducous. Petals white, obovate. Stamens 15‒20, unequal. Styles 3‒5, longer than stamens, glabrous. Pome subglobose. Carpopodium piliferous or glabrous.

Distribution

Widely distributed in Asia ( Fig. 5 ).

Chromosome number

2n = 34.

Key to varieties of Malus baccata (L.) Borkh.

1. Trees, 10‒15 m; styles 4 or 5 ............................................................................................................ 2

– Small trees, 4‒6 m; branchlets pendulous; styles 3 or 4 .................. b. var. gracilis (Rehder) T.C.Ku

2. Branchlets, leaf, sepals, pedicel and calyx tube pubescent ................................................................. ...................................................................................... c. var. mandshurica (Maxim.) C.K.Schneid.

– Branchlets, leaf, sepals, pedicel and calyx tube glabrous ............................................ a. var. baccata

Figures

Fig. 5. Distribution of Malus baccata (L.) Borkh.

Fig. 6. Morphologicalcharacters ofMalus baccata (L.) Borkh.; LINN-HL647-4 (lectotype), M0213676, P03324193, P03324196, P03324219, P03324220, P03339997, KUN0659908, KUN0755632, KUN0889035. Scale bars = 10 mm.