Broussonetia papyrifera
Tabl. Règn. Vég. 3: 547. 1799.
Trees, to 15 m. Bark tan, smooth or moderately furrowed. Branchlets brown, spreading-pubescent. Terminal bud absent, axillary buds dark-brown, short-pubescent; leaf-scars nearly circular, somewhat elevated. Leaves: stipules ovate to ovate-oblong, apex attenuate; petiole shorter than or equal to blade. Leaf-blade entire or 3-5-lobed, 6-20 × 5-15 cm, base shallowly cordate, often oblique, truncate, or broadly rounded, margins serrate, apex acuminate; surfaces abaxially densely gray-pubescent, adaxially scabrous. Staminate inflorescences 6-8 cm; peduncle 2-4 cm. Pistillate inflorescences ca. 2 cm diam., villous. Staminate flowers: sepals pubescent. Pistillate flowers: style elongate-filiform. Syncarps globose, 2-3 cm diam.; drupes red or orange, oblanceolate, each exserted from its calyx.
Phenology: Flowering spring.
Habitat: Disturbed thickets
Elevation: 0-600 m
Distribution
Ala., Ark., Conn., Del., D.C., Fla., Ga., Ill., Iowa, Kans., Ky., La., Md., Mass., Miss., Mo., Nebr., N.J., N.Y., N.C., Okla., Pa., R.I., S.C., Tenn., Tex., Va., W.Va., native to Asia
Discussion
Broussonetia papyrifera is now widely naturalized in eastern United States. Frequently planted as a shade tree around dwellings, it is often considered undesirable because of its aggressiveness, shallow root system, and soft, brittle wood. The bark of the tree is used to produce a barkcloth.
Selected References
None.