Volume 10 > Part 4 > Year 2011 > Page 621 > Moraceae > Ficus

URO19. Ficus elastica Roxb.wfo-0000688216

Hort. Bengal. 65. 1814; Hornem., Hort. Bot. Hafn. Suppl.: 7. 1819; Roxb., Fl. Ind. Ed. 1832 3: 541. 1832; Wight, Icon. Pl. Ind. Orient. 2: t. 663. 1843; Griff., Icon. Pl. Asiat. 4; t. 552. 1854; Miq., Ann. Mus. Bot. Lugd. Bat. 3: 265, 287. 1867; Kurz, Forest Fl. Burma 2: 444. 1877; King, Ann. Roy. Bot. Gard. (Calcutta) 1(1): 45, t. 54. 1887; Ridl., Fl. Malay Penins. 3: 334. 1924; Gagnep., Fl. Indo-Chine 5: 777. 1928; Kochummen, Tree Fl. Malaya 3: 146. 1978; C.C.Berg & Corner, Fl. Males., Ser. 1, Spermat. 17(2): 691. 2005.— Visiania elastica (Roxb.) Gasp., Giorn. Bot. Ital. 2: 216. 1844.— Macrophthalmia elastica (Roxb.) Gasp., Rendiconti Reale Accad. Sci. Fis. 25: 83. 1845.— Urostigma elasticum (Roxb.) Miq., London J. Bot. 6: 578. 1847.— Stilpnophyllum elasticum (Roxb.) Drury, Handb. Ind. Fl. 3: 225. 1869. Fig. 39. Plate LXXII: 3.

Accepted Name : This is currently accepted.

Description : Tree to 30 m tall, terrestrial or hemi-epiphytic. Leafy twigs 3–5 mm thick, angular, glabrous or (minutely) white puberulous. Leaves in spirals; lamina elliptic to oblong, (6–)10–20(–40) by (2.5–)5–10(–22) cm, coriaceous, apex (short-)acuminate, base cuneate to obtuse (to rounded); both surfaces glabrous; cystoliths on both sides; lateral veins (10–)15–22 pairs, the basal lateral veins not or hardly distinct, tertiary venation parallel to the lateral veins; waxy gland at the base of the midrib (often faint); petiole 2.5–5(–10) cm long, glabrous, stipules (1.5–)6–25 cm long, glabrous or white puberulous, caducous. Figs axillary or just below the leaves, in pairs (or solitary); peduncle 0.2–0.5(–0.8) mm long, the apex dilated; basal bracts 3, ca 3 mm long, cucullate, early caducous; receptacle ellipsoid to cylindrical, 0.5–0.8 cm diam. when dry, glabrous, yellow at maturity, apex slightly umbonate, ostiole circular with 3 bracts covering the entrance; inner layer of the wall thin.

Thailand : Cultivated as an ornamental tree.

Distribution : Nepal, Sikkim, Bhutan, NE India, Burma, Peninsular Malaysia (Perak), Indonesia (Sumatra?, Java?). The natural range of distribution is uncertain, the species is certainly natural in the foothills of the Himalayas and may be natural in Perak (Malaysia), Sumatra and Java as well; it is frequently planted in the range indicated, as well as elsewhere in the tropics (and subtropics).

Vernacular : Yang lop (ยางลบ)(Central); yang india (ยางอินเดีย)(Bangkok); lung (ลุง) Northern.

E-version notes : According to Plants of the World Online, as Ficus elastica Roxb. ex Hornem., Hort. Bot. Hafn., Suppl.: 7 (1819)