Table 1 in A revision of the genus Malus Mill. (Rosaceae)

Table 1. Description of the quantitative and qualitative morphological parameters of species of Malus Mill.
No.Morphological characteristicsQuantitative traitUnit of measurement1Petiole length (PL)mm2Blade length (BL)mm3Blade width (BW)mm4BL/BWratio5Length from the widest point to the base of the leaf (LWB)mm6LWB/BLratio7Leaf area (LA)mm28Angle of apex (AA)°9Angle formed by lateral nerve and main nerve (ALM)°10Angle of the base (AB)°11Tooth length (TL)mm12Tooth width (TW)mm13TL/TWratio14Pedicel length (pLF)mm15Petal length (Pl)mm16Petal width (Pw)mm17Pl/Pwratio18Carpopodium length (CL)mm19Pome length (pl)mm20Pome width (pw)mm21pl/pwratio22CL/plratio23Pome area (the projection area of pome on two-dimension plane) (PA)mm2Qualitative traitDescription24Piliferous blade (PB)0-Absence; 1-Partial presence; 2-Presence25Piliferous petiole (PP)0-Absence; 1-Presence26Leaf division (LD)0-Undivided; 1-Incised; 2-Lobed; 3-Parted; 4-Divided27Leaf margins (LM)0-Edentate; 1-Erose; 2-Serrate; 3-Crenate; 4-Serrate and Crenate28Piliferous pedicel (Pp)0-Absence; 1-Presence