TABLE 1 in A new species of Psychotria (Rubiaceae) from Bidoup - Nui Ba National Park, Vietnam

TABLE 1. Comparison of Psychotria ngotphamii with its morphologically closest allies (characters of P. bonii from Pitard 1924, Pham 2000, Srisuk et al. 2020 and those of P. henryi from Chen & Taylor 2011).
CharactersP. ngotphamiiP. boniiP. henryiBranchesglabrousglabrouspuberulentLeaf blades2.5–6.5 × 1–2.5 cm(2.5–)5.5–18.3 × 2.5–6.3 cm4–14 × 1–4.5 cmSecondary veins5–8 pairs6–13 pairs6–10 pairsPetioles5–7 mm long(8–)15–35 mm long4–12 mm longStipules1.5–2 mm long3–8 mm long1.5–4 mm longPeduncles1–2.3 cm long1–5 cm longca. 0.5 cm longBracts0.6–1 mm long0.7–1.1 mm long1–1.5 mm longCalyx tubes0.8–1 mm long0.4–1.5 mm longca. 1 mm longCalyx lobes5-lobed, 0.5–0.8 mm long4 or 5-lobed, 0.3–0.5 mm long5-lobed, 0.8–1.2 mm longCorolla tubes1.7–2 mm long2.2–5.3 mm long1.5–2 mm longCorolla lobes5-lobed, 1.2–1.4 mm long4 or 5-lobed, 0.7–1 mm long5-lobed, 1.2–1.5 mm longFruitellipsoid, 8–10 mm longellipsoid, 7–8 mm longovoid or globose, 4–7 mm longPyrenes22-