Phyllanthodendron

Key to species of the subgenus Phyllanthodendron in Glochidion

1. Sepals usually aristate at apex, acumens 3‒5 mm long; capsules prominently 3-lobed .................................................................... 2

- Sepals usually rounded, acute or acuminate at apex; capsules subglobose or globose-triangular ..................................................... 3

2. Tree with succulent and swollen stem base; capsules ca. 5 mm in diam ......................................................................... G. mirabilis

- Tree with non-succulent and non-swollen stem base; capsules 8‒10 mm in diam ....................................................... G. kaweesakii

3. Branchlets conspicuously winged ................................................................................................................................. G. dunnianus

- Branchlets terete ................................................................................................................................................................................. 4

4. Leaf blades usually less than 4 cm long ............................................................................................................................................. 5

- Leaf blade mostly longer than 5 cm ................................................................................................................................................... 6

5. Leaf blades 1.6‒2.0 cm long, and 0.7‒0.9 cm wide; capsules ca. 4.5 mm in diam.................................................... G. dongmoense

- Leaf blades usually 1.0‒ 3.5 cm long, and 0.5‒1.5 cm wide; capsules 5‒8 mm in diam..................................... G. anthopotamicum

6. Sepals caudate or narrowly acuminate at apex; lateral veins absent in sepals; capsules 5–7 mm in diam., triangular-globose.......... .............................................................................................................................................................................. G. liangkwangense

- Sepals acute to shortly acuminate at apex; lateral veins present in sepals; capsules 8–10 mm in diam., subglobose ......................... ................................................................................................................................................................................. G. yangchunense