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| 1 |
Disk bowl-shaped, tightly invaginated and coalescent with ovary at base, emergence plane; filament apparent, 1-2 mm |
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(2) |
| + |
Disk disciform, not coalescent with ovary, most of ovary immersed in disk; filament very short, less than 1 mm or absent |
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(3) |
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| 2 (1) |
Leaf blade obovate or oblong-obovate, to 5 cm; petiole 2-3 mm; flowers yellow-green. |
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8 G. fengii |
| + |
Leaf blade elliptic, rarely narrowly obovate-elliptic, to 12 cm; petiole ca. 5 mm; flowers white-green. |
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9 G. geloniifolium |
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| 3 (1) |
Leaf blade margin with coarse spiny teeth |
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(4) |
| + |
Leaf blade margin dentate, denticulate, serrate, or nearly entire |
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(5) |
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| 4 (3) |
Leaf blade obovate or elliptic, rarely narrowly elliptic, base broadly cuneate, petiole 2-6 mm. |
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6 G. ilicifolium |
| + |
Leaf blade ovate or oblong-ovate, base cordate, clasping stem, sessile. |
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7 G. aquifolium |
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| 5 (3) |
Leaf blade leathery or thickly leathery, adaxial surface plane or when dry with large irregular bullations present |
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(6) |
| + |
Leaf blade papery, thickly papery, or thinly leathery, adaxial surface smooth or rugose due to impressed nerves |
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(7) |
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| 6 (5) |
Capsule pallid, densely maculate, spots small, squarrulose; aril crimson. |
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4 G. longipedicellatum |
| + |
Capsule brown or fulvous, rough with minute tubercles; aril yellow. |
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5 G. sclerocarpum |
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| 7 (5) |
Cymes 4-6 × ramified; peduncle 6-7 cm; petiole 10-20 mm; capsule pallid green, densely muricate, murications small. |
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2 G. longepedunculatum |
| + |
Cymes 1-3 × ramified; peduncle 2-4 cm; petiole 5-12 mm; capsule pallid, maculate, macula squarrose |
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(8) |
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| 8 (7) |
Leaf blade oblong, oblong-ovate, or narrowly elliptic; lateral nerves 7-9 pairs. |
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1 G. feddei |
| + |
Leaf blade narrowly oblong or oblong-lanceolate, rarely oblong-elliptic or narrowly obovate; lateral nerves 8-18 pairs. |
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3 G. rhytidophyllum |
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