Table 2. Morphological comparison between the genera of the Pithecellobium clade as circumscribed here (modified from Barneby and Grimes 1996, 1997). EbenopsisGretheriaHavardiaPainteriaPithecellobiumRicoaSphingaHabitTree or shrubShrub or treeTreeShrubTree or shrubShrubShrub or treeLeaflets, sizeMicrophyllousMicrophyllousMicrophyllousMicrophyllousMicro- to MacrophyllousMicrophyllousMacrophyllousBranching, patternProlepticallySylleptically and prolepticallySylleptically and prolepticallyProlepticallyProlepticallyProlepticallyProlepticallyExtrafloral gland, positionInterpinalNear midpetiole,Interpinal but the first below proximal pinna-pair or near midpetioleBetween proximal pinna-pair, rarely between 2 pairs, not on petiole properInterpinalbetween the first pinnae pairNear midpetiole, rarely at tip of petioleLeaflet, venationPalmatePinnatePinnate, weakly pinnate, simple, weakly palmate-pinnatePalmate or simple weakly developed superficiallyPinnate and usually also reticulateWeakly developed, nearly simple or 1-branchedPinnate or subpalmateInflorescenceCapitula or shortly spiciformCapituliform racemesCapitula or spiciformCapitula or shortly spiciformCapitula or spikesCapitulaCapitulaFlower, anthesisDiurnalVespertineDiurnalDiurnalDiurnalVespertineVespertineCorolla, lobesErectErectRecurvedErectErectRecurvedErectDisc (ovary)AbsentSimple callosities or 5-lobedAbsent, obsolete callosities, rarely lobed discCallosities obsolete or absentCallosities obsolete, rarely developed into a lobed discCallosties developed or sometimes subobsolete (staminate flowers)Developed, clasping the stipeFuniculus, shapeStraight (not sigmoid)dilated, sigmoidSigmoidStraight or sinuous (not sigmoid)Spongy arilliformStraight or sinuous (nor sigmoid)Contorted or sigmoidFruit, shapemassive, compressed, sausage-likeOblong plano-compressedOblong or broad-linear straight, plano-compressedCompressed but turgid, retrofalcate, falcately or subcircinnately broad-linearoblong or linear in profile, backwardly recurved or coiled and sometimes also twistedFalcately or subcircinnately broad-linearBroad-linear plano-compressedFruit, consistenceWoodyStiffChartaceous or thinly coriaceousLeatheryLeathery or woodyStiffly leatheryPaperyFruit, septationYesNoNoNoNo or incipientNoNoSeedPlumply obesedisciform to orbicularLentiform, orbicular or oblong-ellipticPlumby lentiformplumplyCompressed but plumbLentiform

Published as part of Tamayo-Cen, Ivan, Torke, Benjamin M., Lopez Contreras, Jose Enrique, Carnevali Fernandez-Concha, German, Ramirez Morillo, Ivon, Can Itza, Lilia Lorena & Duno de Stefano, Rodrigo, 2022, Revisiting the phylogeny and taxonomy of the Pithecellobium clade (Leguminosae, Caesalpinioideae) with new generic circumscriptions, pp. 279 in PhytoKeys 205 on page 279, DOI: 10.3897/phytokeys.205.82728