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. 2015 Jun 24;16(7):14369–14394. doi: 10.3390/ijms160714369

Table 5.

List and descriptions of the 28 qualitative and quantitative morphological characteristics.

Characters Abbreviation Coding Description
Tree habit THA 1, erect; 2, leaning
Leaf shape * LSH 1, spatulate; 2, elliptic/oval; 3, obovate
Shape of leaf apex LAS 1, obtuse; 2, rounded; 3, truncate; 4, obcordate
Shape of the leaf base LBS 1, attenuate; 2, narrowly cuneate; 3, cuneate
Type of the leaf surface LSF 1, flat; 2, vein impressed; 3, margin dented
Maximum width of the leaf LMW 1, 1/3 to 2/3 from leaf base; 2, more than 2/3 from leaf base
Leaf length: width ratio * LWR 1, 1:1; 2, 1.5:1; 3, 2:1; 4, 3:1
Color of the upper-leaf surface LCA 1, light green; 2, green; 3, dark green
Color of the underside-leaf surface LCB 1, yellow; 2, greenish yellow; 3, green
Gland color LGC 1, red; 2, purple or black
Amount of gland on leaf * LAG 1, one; 2, three to five; 3, more than five
Visible Glands on the upper-leaf surface LGV 1, non-visible; 2, visible
Leaf venation of the upper-leaf surface LVU 1, Unapparent; 2, Apparent
Vein began to diverge * LVD 1, less than 1/3 from leaf base; 2, 1/3 to less than 2/3 from leaf base; 3, 2/3 and more from leaf base
Leaf length LL Measured in cm
Leaf width LW Measured in cm
Leaf area LA Measured in cm2
Petiole length PL Measured in cm
Amount of golden spots on leaf surface GS Number of golden spots
Fruit shape FSH 1, globose; 2, subglobose; 3, bell shape; 4, ovoid
Maximum width of fruit FMW 1, less than 1/3 from leaf base; 2, 1/3 to less than 2/3 from leaf base; 3, 2/3 and more from leaf base
Fruit apex shape FAS 1, acute; 2, round; 3, truncate; 4, cordate
Ratio of fruit length diameter FDR 1, 1:1; 2, 1.5:1; 3, 2:1
Color of ripening fruit FCR 1, green to orange; 2, green to pink or red
Scale color FSC 1, orange; 2, red/brown
Fruit length FL Measured in cm
Fruit diameter * FD Measured in cm
Fruit stalk length FS Measured in cm

* The most important characteristics leading the varietal identification according to Corner [21].