TABLE 2 in Novelties in Macrolobium (Detarioideae, Fabaceae) for Northern South America: Two new species and new chorological records from Colombia and Ecuador

TABLE 2. Comparison of the similar species to Macrolobium longistipitatum.
SpeciesCharacterM. gracileM. longeracemosumM. longistipitatumM. machaerioidesNumber of leaflets pairs10–4012–1917–3913–21Leaflets apex shaperounded to truncate, usually emarginate or occasionally minutely mucronate to apiculaterounded to emarginateslightly rounded, occasionally retusestrongly emarginateLeaflets base shape at acroscopic halfnot auriculatenot auriculateauriculateauriculateLeaflets veinssecondaries to high-order strongly obscure in both surfacesslightly obscure abaxially, raised up to fourth-order adaxiallyraised up to fourth-order on both surfacessecondaries to high- order strongly obscure in both surfacesInflorescence positionaxillaryaxillaryterminal to occasionally subterminalaxillaryInflorescence length (cm) and axis indumentum1–6.5, puberulous3–12, lanulose- puberulous7.5–16.7, glabrous1.5–3, puberulousBracts size (mm)1.5–3 × 1–2.5ca.1 × 0.76.9–8.6 × 2.5–3.61.5–2 × 1Pedicel length (mm)1–31.5–30.7–1.31–2Bracteoles indumentumat least pilose, pilosulose, puberulous or villosuloselanulose-puberulous abaxially, glabrous adaxiallyglabrousshort-pilosulose and puberulous abaxially, villose adaxiallyHypanthium length (mm)1–1.5, subsessileca. 2, ca. 0.5 stipitate4.5–5.9, 1.7–3.9 stipitateca. 1, sessileCalyx merosity5-merous5-merous4-merous5-merousFilaments indumentumvillosulose basallyglabroussparsely villosevilloseOvary indumentumvillose or pilose marginally, glabrous laterallypilose marginally, glabrous laterallyglabrous throughoutvillose marginally, glabrous laterallyFruit size (cm)5.5–11.5 × 2.5–511 × 314.6–18 × 5.3–6.74.8–6.9 × 2.9–4.5