Broussonetia

L'Héritier ex Ventenat

Tabl. Règn. Vég. 3: 547. conserved.

Common names: Paper-mulberry
Etymology: for Pierre Marie Auguste Broussonet (1761-1807), French biologist at Montpellier
Treatment appears in FNA Volume 3.

Trees, deciduous; sap milky. Terminal buds surrounded by bud scales. Leaves alternate, opposite, or whorled; stipules caducous, free. Leaf blade ovate, lobed or entire, margins dentate; venation appearing palmate or weakly 3-veined from base. Staminate inflorescences pedunculate, cylindric spikes; pistillate inflorescences short-pedunculate, globose capitula. Flowers: staminate and pistillate on different plants. Staminate flowers: sepals 4, connate at base; stamens 4, inflexed. Pistillate flowers: sepals 4, connate, forming tube; ovary superior, stipitate, 1-locular; style unbranched. Fruits globose; each drupelet partly protruding from its enlarged calyx. x = 13.

Distribution

North America, Asia, and Pacific Islands (Polynesia).

Discussion

Species 7-8 (1 in the flora).

Selected References

None.

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