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FOC | Family List | FOC Vol. 5 | Moraceae | Ficus

74. Ficus irisana Elmer, Leafl. Philipp. Bot. 1: 45. 1906.

糙叶榕 cao ye rong

Ficus fachikoogi Koidzumi; F. hayatae Sata.

Trees, to 2 m tall, evergreen, crown open. Branchlets pale brown to pale reddish brown, pendulous, coarse. Stipules caducous, brown, ovate-lanceolate, ca. 1 cm, membranous. Leaves spirally arranged; petiole stiff and thick; 4-8 mm; leaf blade elliptic to ovate-elliptic, 6-12 × 3-6 cm, leathery, coarse, base obtuse to cuneate and slightly oblique, margin entire, apex stiffly mucronate; basal lateral veins elongated, secondary veins 5 or 6 on each side of midvein, abaxially prominent. Figs axillary on normal leafy shoots, solitary or paired, pale yellow to red with yellow spots when mature, globose, 0.8-1.2 cm in diam., rough; peduncle (0.5-)0.7-2.4 cm. Gall flowers: pedicellate or subsessile; calyx lobes 4; ovary globose to obliquely ovate, smooth; style lateral, short; stigma enlarged or truncate. Female flowers: pedicellate; calyx lobes 4 or 5; ovary elliptic to globose, smooth; style thin; stigma 2-lobed. Fl. summer to autumn.

Broad-leaved evergreen forests; at low elevations. Taiwan [Indonesia, Japan (Ryukyu Islands), Philippines].


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