Table 1 in Transfer of the endemic Malagasy species of Kosteletzkya to Hibiscus and Perrierophytum (Malvaceae)

Table 1. – Comparison of morphological characters between the six species of Perrierophytum Hochr. treated herein. Characters diagnostic for a species are in bold type.
P. macranthumP. madagascarienseP. malvocoeruleumP. reflexiflorumP. thouarsianumP. velutinumHabitshrub; leaves grouped with flowers at branch apexperennial herb; flowers axilary, solitaryshrub; flowers grouped at summitshrub; flowers axilaryshrub; leaves grouped with flowers at branch apexshrub; flowers grouped at summitLeaf width x length [mm]65 x 20–80, tomentose, sharp discolored points on leaf teeth35 x 20, nearly glabrous30 x 15, tomentose27 x 19, tomentose80 x 73, tomentose20, tomentoseStipule length [mm]8, filiform, densely pubescent, deciduousunknown4, filiform, deciduous10, deciduous15, deciduous4, deciduousPetiole length [mm]10–1515–205– 377–165–455–20Peduncle length [mm]3020–302015–20, articulated towards apex3–9, articulated half way15–20Epicalyx bract shapefiliformlinear, almost filiformfiliform, freeovate, cordate, with long acuminate tips, freetriangular, fused at basefiliformNumber of epicalyx bracts155 to 6105 to 64 to 610 to 12Calyx lobe length [mm]1568997–9Calyx shapefreeinfondiuliforme’, fused halfwaycupuliform, fused at basefreecupuliform, fused halfwaycupuliform, fused halfwayCorolla color Flower shapepale violet, dark purple veins cupuliformunknown cupuliformmauve flatred reflexedrose, mauve cupuliformrose, blue violet cupuliformPetal shapeovateobovateovate, to gently bilobed at apexdeeply bilobed at apexovateovateStaminal column length [mm]25–322–32–3.51064–5