| 21. | They are glabrous medium to large trees with yellow latex.
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| 22. | The seeds are dark brown, glabrous, long, and wide.
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| 23. | The shoots are yellowish-brown, glabrous or with scattered pubescence.
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| 24. | The shoots are orange-brown, glabrous or with scattered pubescence.
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| 25. | Yellowish-brown sarcotesta, glabrous and / or glaucous.
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| 26. | Leaves are glabrous or sparsely glandular-pubescent with commonly 5 leaflets.
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| 27. | The dorsal surfaces are glabrous, matte or shiny black.
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| 28. | Branchlets brown or black-purple, glabrous, with inconspicuous lenticels.
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| 29. | The flowers are scented and arranged in rounded, glabrous.
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| 30. | The twigs are glabrous or thinly hairy, and odorless when scraped.
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