Table 1 in Insights on the systematics and morphology of Humiriaceae (Malpighiales): androecial and extrafloral nectary variation, two new combinations, and a new Sacoglottis from Guyana

Table 1. Comparison of select diagnostic features for Duckesia and Endopleura.
CharactersDuckesia verrucosaDuckesia liesneriEndopleura uchiHabitTree, 12-30 m (27-67 cm dbh)Shrub to small tree, 2-4 mTree, (12)20-40 m (30-70 dbh)LeavesPetiole to 1 mm long; blade 5.5-7.5 × 1.7-2.3 cm, lanceolate, subcoriaceous; teeth setae robust, to 0.2 mm long, sometimes retained at maturity; abaxial glands sparse, 0-3 per leaf, 2/3 exmedial distancePetiole to 2 mm long; blade 3.5-4.5 × 2.2-2.7 cm, elliptic to obovate, coriaceous; teeth setae delicate, to 0.3 mm long, rapidly deciduous; abaxial glands absentPetiole 10-30 mm long; blade 17-28 × 5.5-6.5 cm, oblong to narrowly elliptic, subcoriaceous; teeth setae delicate, to 0.5 mm long, rapidly deciduous; abaxial glands in row near marginInflorescenceAxillary, small, to 1.5 cm long; bracts persistentAxillary and subterminal, to 2.5 cm long; bracts deciduousAxillary, to 6.5 cm long; bracts persistentFlowerCalyx glabrous with minutely hispid margin; petals glabrousCalyx hispid; petals coarsely hirsuteCalyx centrally coarsely hirsute, margin minutely hispid; petals coarsely hirsuteAndroeciumFilaments papillose, very short-connate; anthers 5 tetrasporangiate and 15+ sterileFilaments smooth, connate up to 1/3 length; anthers 20 tetrasporangiateFilaments minutely papillose, very short-connate; anthers 10 tetrasporangiate and 10+ disporangiateGynoeciumPistil longer than ovaryPistil shorter than ovaryPistil as long as ovaryFruitOvoid; endocarp corrugated, 13+-radiate with densely packed woody ribs; resinous cavities small; valves conspicuousUnknownEllipsoid; endocarp star-shaped, 10-radiate with 5 divided woody ribs; resinous cavities absent; valves inconspicuousDistribution & ecologyBrazil (Amazonas especially near Manaus, Pará); 50-125 m elevation, terra firmeVenezuela (Amazonas on Cerro Aracamuni and Sierra de Unturán); 1150-1400 m elevation, upland cloud or semi-open tepui forestBolivia (Pando), Brazil (Amapá, Amazonas, Pará, Rhondônia) Guyana, Suriname, Venezuela; 50-620 m elevation, terra firme