| 1 |
Stipules 10-13 cm. |
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(2) |
| + |
Stipules 0.4-6 cm (sometimes to 10 cm in F. virens). |
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(3) |
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| 2 (1) |
Leaf blade secondary veins 6-9 on each side of midvein, reticulate near margin, conspicuous on both surfaces when dry; figs 2-2.7 × 1-1.5 cm. |
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8 F. hookeriana |
| + |
Leaf blade secondary veins many on each side of midvein, closely parallel, inconspicuous; figs ca. 1 × 0.5-0.8 cm. |
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11 F. elastica |
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| 3 (1) |
Fig interfloral bristles abundant and conspicuous; involucral bracts persistent. |
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(4) |
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Fig interfloral bristles few, small, and inconspicuous, sometimes absent; involucral bracts caducous or persistent. |
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(6) |
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| 4 (3) |
Leaf blade elliptic to oblong; secondary veins 9-15 on each side of midvein. |
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1 F. caulocarpa |
| + |
Leaf blade broadly ovate, ovate-lanceolate, narrowly lanceolate, elliptic-ovate, ± elliptic, or obovate; secondary veins 5-12 on each side of midvein. |
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(5) |
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| 5 (4) |
Leaf blade apex mucronate; figs borne on short branchlets or on older leafless branchlets, 5-7 mm in diam., sessile or subsessile. |
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2 F. geniculata |
| + |
Leaf blade apex acuminate to shortly acuminate; figs paired or solitary and axillary on leafy branchlets, or in clusters on leafless older branchlets, 7-12 mm in diam., sessile or pedunculate. |
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3 F. virens |
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| 6 (3) |
Figs clearly pedunculate. |
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(7) |
| + |
Figs sessile or subsessile. |
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(11) |
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| 7 (6) |
Petiole more than 9 cm, as long as or longer than leaf blade; leaf blade triangular-ovate, apex acute to caudate. |
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6 F. religiosa |
| + |
Petiole 1-7 cm, usually less than 1/2 as long as leaf blade; leaf blade elliptic, elliptic-lanceolate, oblong, or obovate, apex rounded, mucronate, or acuminate. |
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(8) |
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| 8 (7) |
Stipules 1.2-2 cm; figs 0.5-1 cm in diam. |
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(9) |
| + |
Stipules 2-6 cm; figs 1-2 cm in diam. |
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(10) |
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| 9 (8) |
Peduncle 3-8 mm; figs purplish black when mature; petiole 3-7 cm. |
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4 F. subpisocarpa |
| + |
Peduncle 10-15 mm; figs orange-yellow when mature; petiole 1-3 cm. |
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16 F. glaberrima |
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| 10 (8) |
Figs globose to ovoid-globose, 1-2 cm; apical bracts ± persistent, sometimes losing only apical portion; leaf blade 8-15 cm. |
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9 F. orthoneura |
| + |
Figs ovoid to cylindric, 2-2.5 cm; apical bracts caducous, leaving well-defined annular scar; leaf blade 13-28 cm. |
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12 F. annulata |
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| 11 (6) |
Petiole 6-8 cm; leaf blade with 2 pairs of basal lateral veins, outer pair thin and short. |
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10 F. rumphii |
| + |
Petiole 0.5-5 cm; leaf blade with 1 pair of basal lateral veins (sometimes with 2 pairs in F. drupacea). |
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(12) |
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| 12 (11) |
Stipules 2-3 cm. |
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(13) |
| + |
Stipules 0.4-2.5 cm. |
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(14) |
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| 13 (12) |
Stipules membranous with thick hairs; leaf blade narrowly elliptic to obovate-elliptic, base rounded, ± cordate, or ± auriculate; secondary veins 8-11 on each side of midvein. |
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13 F. drupacea |
| + |
Stipules thickly leathery, with gray silky hairs; leaf blade broadly ovate to broadly ovate-elliptic, base broadly cuneate; secondary veins 5-7 on each side of midvein. |
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14 F. altissima |
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| 14 (12) |
Leaf blade with reticulate tertiary veins. |
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(15) |
| + |
Leaf blade with reticulate tertiary veins indistinct from secondary veins or absent. |
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(17) |
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| 15 (14) |
Figs top-shaped -globose, 0.5-0.7 cm in diam.; involucral bracts persistent; leaf blade with cystoliths on both surfaces. |
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18 F. pisocarpa |
| + |
Figs globose, ± globose, or pear-shaped, 1-1.3 cm in diam.; involucral bracts caducous or obscure; leaf blade abaxially with cystoliths. |
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(16) |
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| 16 (15) |
Branchlets green, drying pale brown; leaf blade with 5 or 6 secondary veins on each side of midvein; figs with apex slightly raised. |
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15 F. pubilimba |
| + |
Branchlets dark brown; leaf blade with 6-9 secondary veins on each side of midvein; figs with apex slightly sunken. |
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17 F. kurzii |
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| 17 (14) |
Secondary veins inconspicuously raised. |
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(18) |
| + |
Secondary veins conspicuously raised. |
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(20) |
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| 18 (17) |
Leaf blade 12-18 cm, thickly leathery, apex rounded; branchlets 5-8 mm in diam.; figs 1-1.5 cm in diam.; involucral bracts 3-4 mm. |
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21 F. curtipes |
| + |
Leaf blade 4-13 cm, leathery or ± leathery, apex acuminate to mucronate or ± obtuse; branchlets thin; figs 0.6-0.8 cm in diam.; involucral bracts 1-3 mm. |
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(19) |
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| 19 (18) |
Leaves leathery, glabrous when dry; basal veins conspicuously raised; secondary veins extended in a right angle; figs purplish red when mature. |
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19 F. maclellandii |
| + |
Leaves ± leathery, not glabrous when dry; basal veins not raised; secondary veins extended in a blunt angle; figs yellow to slightly red when mature. |
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20 F. microcarpa |
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| 20 (17) |
Leaf blade with 4-8 secondary veins on each side of midvein. |
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(21) |
| + |
Leaf blade with 8-16 secondary veins on each side of midvein. |
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(22) |
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| 21 (20) |
Leaf blade narrowly elliptic, base cuneate; petiole 1-2 cm; involucral bracts caducous. |
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5 F. concinna |
| + |
Leaf blade ovate to cordate, base rounded to ± cordate; petiole 2-4 cm; involucral bracts persistent. |
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7 F. cardiophylla |
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| 22 (20) |
Involucral bracts conspicuous; figs 1.5-1.8 cm in diam. |
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22 F. stricta |
| + |
Involucral bracts inconspicuous; figs usually 0.8-1 cm in diam. (var. nuda 1.5-2 cm in diam.). |
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23 F. benjamina |
