Volume 10 > Part 4 > Year 2011 > Page 497 > Moraceae > Broussonetia

2. Broussonetia papyrifera (L.) Vent.wfo-0000572577

Tabl. 3: 547. 1799; 547; Bureau in DC. Prod. 17: 224. 1873; Hook.f., Fl. Brit. India 5: 490. 1888; Gagnep., Fl. Indo-Chine 5: 717, f. 88. 1928; Barker, Curtis’s Bot. Mag. 19: 8, cum t. 2002; C.C.Berg, Prosea 17: 91, cum t. 2003; C.C.Berg et al., Fl. Males., Ser. 1, Spermat. 17(1): 32. 2006.— Morus papyrifera L., Sp. Pl. : 986. 1753. Fig. 5.

Accepted Name : This is currently accepted.

Synonyms & Citations :

Description : Tree to 35 m tall, deciduous. Leafy twigs 1.5–3 mm thick, subtomentose, hirtellous or puberulous. Leaves spirally arranged or (sub)opposite; lamina ovate to cordiform or elliptic, 5–20 by 4–12 cm, entire or lobate, ± asymmetric, chartaceous, apex acuminate to subacute, base cordate, rounded or subcuneate, margin crenate- to serrate-dentate; upper surface hispidulous, scabrous, lower surface ± densely puberulous to subtomentose on the veins; midrib impressed above, lateral veins 5–9 pairs, tertiary venation scalariform; petiole (1–)2–9(–15) cm long, subtomentose; stipules 0.5–1.5 cm long, ovate, puberulous, ± ribbed, caducous. Staminate inflorescences axillary or below the leaves, solitary or clustered on short-shoots, spicate; peduncle 1–2.5 cm long, puberulous to tomentellous; spike 3–10 cm long; perianth 1.5–2 mm long, puberulous; stamens 3–3.5 mm long, anthers ca 0.8 mm long; bracts subulate, 1.5–2.5 mm long, puberulous. Pistillate inflorescences axillary or below the leaves, solitary, capitate; peduncle 0.3–1.5 cm long, puberulous to tomentellous; head globose, 1–1.2 cm diam.; perianth ca 1 mm long, 4-dentate; ovary 0.5 mm long, stigma 7–10 mm long; interfloral bracts clavate to subpeltate, 1–1.5 mm long, densely puberulous to tomentellous. Infructescences (sub)globose, 2–2.5 cm diam.; endocarp body ovoid, 2–2.5 mm long.

Thailand : NORTHERN: Mae Hong Son, Chiang Mai, Chiang Rai, Phayao, Lampang, Phrae, Sukhothai; SOUTH-WESTERN: Uthai Thani, Kanchanaburi; CENTRAL: Lop Buri, Saraburi; PENINSULAR: Nakhon Si Thammarat.

Distribution : India (Assam), Burma, China, Indochina, Japan (type); introduced in the Ryukyus, Taiwan, Malesia, and Polynesia.

Ecology : Mixed deciduous, dry evergreen and evergreen forests, usually found near streams, to 750 m alt.

Vernacular : Po sa (ปอสา), po krasa (ปอกระสา)(Northern).

CommonName : Paper mulberry.

Notes: The bark is used to make cloth and paper.