TABLE 4 in Taxonomical study on genus Solanum (Solanaceae) in Taif region, Saudi Arabia

TABLE 4. Pollen morphological characters (SEM) of the species of genus Solanum.
Pollen sizeSexine sculptures Shape classAperture dimensions (µm)Pollen dimensionscategory(IN SEM)P/E RatioCharactersP (view)E(view)L/WWidth WLength LEquatorialPolar axis P (µm)(Amb)Axis E (µm)speciesMediumVerrucate – micro spinateAngularProlate- spheroidal81.5(2.5)3.018.6(20)20.60.9324(25.5)26.622.2(23.6)25S. forskaliiSmallVerrucateAngularSuboblate9.11.2(1.7)2.214.6(15.5)16.31.1219.2(20.7)20.822.8(23.2)25S. glabratum var. sepiculaMediumVerrucateSubungularSpherical11.51.7(1.8)1.919.7(20.7)21.71.120.2(22.6)2522.6(23.8)25S. melongenaMediumVerrucate or granulateAngularOblate6.81.4(1.5)2.19.8(10.2)11.61.120(23.8)25.224(25.5)26S. incanumMediumVerrucateSubangularSuboblate4.52.3(2.5)310 (11.2)121.120 (21.1)22.120.1(22.5)25S. schimperianumSmallVerrucateCircularSpherical9.91.0(1.1)1.310.1(10.9)11.31.119.6(20.1)21.519.8(21.2)22.7S. lycoperiscumSmallVerrucate-micro spinateSubangularOblate- spheroidal8.51.2(1.3)1.310.5(11.5)121.117.2 (17.8)18.318.1(19.4)20.75S. nigrumSmallVerrucateSemicircularOblate- spheroidal6.81.2(1.5)1.79.8(10.4)11.11.119.1(20.1)21.121.25(21.63)22S. villosumSmallVerrucateCircularOblate- spheroidal6.81.2(1.3)1.49.5(10.1)10.71.119.1(20.4)21.420.2 (22.0)22.8S. villosum ssp. miniatum