Volume 10 > Part 4 > Year 2011 > Page 619 > Moraceae > Ficus

URO18. Ficus dubia Wall. ex Kingwfo-0000688176

Ann. Roy. Bot. Gard. (Calcutta) 1(1): 46, t. 56. 1887; Ridl., Fl. Malay Penins. 3: 333. 1924; Kochummen, Tree Fl. Malaya 3: 146. 1978; Tree Fl. Sabah & Sarawak 3: 233. 2000; C.C.Berg & Corner, Fl. Males., Ser. 1, Spermat. 17(2): 653. 2005. Plate LXXII: 2.

Accepted Name : This is currently accepted.

Description : Tree to 30 m tall, hemi-epiphytic or (secondarily?) terrestrial, or climber (?). Branches drying brown to blackish. Leafy twigs 2–4 mm thick, ± angular (to subterete), glabrous; periderm flaking off. Leaves in spirals; lamina elliptic to oblong, 7–15 by 4–7 cm, coriaceous, apex short acuminate, base rounded to obtuse; both surfaces glabrous; midrib slightly prominent to flush above, lateral veins 8–10 pairs, the basal pair ± distinct, to ⅛–⅙(–¼) the length of the lamina, unbranched, tertiary venation largely parallel to the lateral veins; waxy gland at the base of the midrib; petiole 1.5–3.5 cm long, 1–2 mm thick, glabrous, drying blackish; stipules (0.5–)1–1.5 cm long, glabrous, caducous. Figs axillary, paired (or solitary), sessile; basal bracts 3, 1–3 mm long, unequal in size and shape, glabrous, persistent; receptacle subglobose, ovoid or ellipsoid, 1.5–2.5(–3) cm diam. when dry, 3–4 cm diam. when fresh, 0.3–1.2 cm long stipitate, glabrous, orange-red to dark crimson at maturity, apex slightly convex to slightly concave, ostiole 2–2.5 mm diam., slightly sunken, open (?), the upper ostiolar bracts not imbricate (?); wall ± shrivelled when dry; internal hairs absent. Tepals red. Ovary partly (dark) red.

Thailand : PENINSULAR: Ranong, Narathiwat.

Distribution : Peninsular (type) and Bornean Malaysia, Singapore, Brunei, Indonesia (Sumatra, Kalimantan).

Ecology : Evergreen forests, at low altitudes.

Notes: This species is distinctive by its sessile, but peduncle-like stipitate fig receptacle.