TABLE 1. Morphological comparisons between Psychotria pendens and P in Psychotria pendens (Rubiaceae, Psychotrieae), a new ultramafic species from Central Palawan, Philippines

TABLE 1. Morphological comparisons between Psychotria pendens and P. rubiginosa.
Psyhotria pendensPsychotria rubiginosaStempuberulous to glabrouspubescent to puberulousStipuletypevalvate, semi-persistentvalvate, caducous to semi-persistentappearanceconspicuous due to its leaf-like appearancedistinct due to the ‘shoulder’-like bumps at the basesize2–3 cm long0.7–1.2 cm longapexapex distinctly cleft (bilobed), lobes attenuate to acuminateapex partially to distinctly cleft, lobes almost aristateindumentumpubescent, particularly in the cleft lobes marginusually pubescent all throughout the stipuleLeafpetiole1–2 cm long1.5–4 cm longsize12–25 cm long, 4.5–7 cm wide19–33 cm long, 4.1–11.6 cm wideappearanceslightly corrugated (raised beneath, impressed above)flatindumentumglabrousrufous pubescent to puberulous below (hairs with bulbous bases)Inflorescence and Infructescencepattern and lengthmonochotomous, pendent, 10–18 cm longmonochotomous, erect, 13–28 cm longbractsnarrowly triangular, 3–4 mm longovate triangular, 2–2.5 mm longcalyx sizecalyx including hypanthium 2.5–3 mmcalyx including hypanthium 1.9–2.3 mm longcalyx indumentumexternal surface glabrousexternal surface pubescent to puberulouscalyx lobesorbicular to broadly ovatebroadly ovate or obscurecorolla tube3.5–4 mm long2–3 mm longcorolla lobes2–2.5 mm longca. 1.5 mm longfruitgloboid or ellipsoidglobose-turbinate or obovoid