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Pakistan | Family List | Moraceae

5. Morus L., Sp. Pl. 986. 1753. Gen. Pl. ed. 5. 424. 1754; Benth. & Hook., Can. Pl. 3: 364.1880; Hutch., Gen. Fl. A. 2: 156. 1967.


Deciduous, monoecious or dioecious, unarmed laticiferous trees and shrubs. Leaves simple, alternate, dentate, 3-5costate from the base, undivided or 3.5-lobed; stipules lateral, membranous, caducous. Male inflorescence axillary, long-peduncled, cylindrical catkin. Male flowers: sepals 4, busily united, lobes imbricate; stamens 4, inflexed in bud, soon exserted; pistillode present, turbinate. Female inflorescence long or short peduncled, axillary catkins. Female flowers: sepals 4, united at the base, imbricate, persistent and fleshy in fruit; ovary ovoid or subglobose, ovule pendulous, style 2-partite; staminodes absent. Fruit a juicy cylindrical-ovoid sorosis of druplets enclosed by the enlarged succulent calyces. Seeds subglobose, endospermous.

A genus of c. 10 species, distributed in E. temperate N. America, S.W. United States of America to Andes, tropical Africa, S.W. Asia eastwards to Japan; introduced in Europe and elsewhere. Represented in Pakistan by 4 species.

1 Male and female catkins more than 5 cm long   1 Morus macroura
+ Male and female catckins less than 5 cm long   (2)
2 (1) Leaves biserrate, lobes long acuminate-caudate   2 Morus serrata
+ Leaves uniserrate, lobes not caudate   (3)
3 (2) Leaves pubescent all over the lower surface including the ultimate veinlets. Styles densely white hairy   3 Morus nigra
+ leaves pubescent only on the midrib and principal veins of lower surface, secondary and ultimate veinlets glabrous   4 Morus alba

Lower Taxa

Related Synonym(s):


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Flora of China  
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