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MORACEAE MULBERRY FAMILY

Alan T. Whittemore & Elizabeth McClintock

[Perennial herb] shrub, [vine] tree, generally with milky juice; monoecious or dioecious. Leaf: alternate [opposite], petioled, generally simple, entire to lobed, evergreen or deciduous; stipules present. Inflorescence: raceme, spike, head, or flowers enclosed in thick receptacle, axillary. Flower: unisexual or bisexual, small, ± radial; sepals generally 4, free or fused at base; petals 0; stamens generally 4, opposite sepals; ovary generally superior, 1-chambered, style simple or 2-parted. Fruit: achenes many within fleshy calyces or surrounded by fleshy inflorescence receptacle.
37 genera, 1100 species: tropics, subtropics, some temperate; many cultivated (Ficus, fig; Artocarpus, breadfruit, jackfruit; Morus, mulberry). Insect- or wind-pollinated. —Scientific Editors: Douglas H. Goldman, Bruce G. Baldwin.

Key to Moraceae

MORUS MULBERRY
Tree, unarmed; monoecious or dioecious. Stem: buds scaly; stipule scars obscure, not encircling stem. Leaf: alternate, occasionally clustered with inflorescences, unlobed or 3–5-lobed, toothed, 3–5-veined from base, deciduous. Inflorescence: catkins, ± pendent, peduncled. Pistillate flower: style deeply 2-parted. Fruit: of many achenes within fleshy calyces, resembling blackberries.
± 20 species: temperate, warm temperate northern hemisphere. (Latin: mulberry) [Whittemore 2006 Sida 22:769–775] Wind-pollinated; Morus nigra, black mulberry, waif in urban areas.

Previous taxon: Maclura pomifera
Next taxon: Morus alba

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Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Oct 24 2014
Citation for this treatment: [Author of taxon treatment] 2013. Morus, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=9682, accessed on Oct 24 2014

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