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Key to Psychotria
https://fsus.ncbg.unc.edu/main.php?pg=show-key.php&keyid=40347
2 Inflorescences with a single peduncle from each leaf axil; upper (fresh) leaf surface medium green, matte to slightly glossy; calyx with 5 obvious triangular lobes | |
2 Inflorescences with several peduncles from each leaf axil; upper (fresh) leaf surface either strongly glossy or grayish-green; calyx either with 5 obvious triangular lobes or nearly truncate, with 5 obscure teeth or undulations. | |
3 Upper (fresh) leaf surface grayish-green; calyx with 5 obvious triangular lobes; twigs densely pubescent; corolla greenish-white; stone of fruit strongly ridged |