Research Article

Seed Coat Morphology and Sculpturing of Selected Invasive Alien Plants from Lesser Himalaya Pakistan and Their Systematic Implications

Table 2

Seed macro- and micromorphological traits of invasive plant species of Lesser Himalayas Pakistan.

Sr. no.Plant nameSeed colorInner colorSeed shapeTexture/surfaceHilumCompressionLength (mm)Width (mm)L/W ratio

1Ailanthus altissimaBrownLight brownSpherical globoseSmoothNot visibleLateral7-9 (8)5-8 (6.5)1.23
2Argemone ochroleucaGolden yellowOff-whiteObovateSmoothNot visibleAbsent4-5 (4.5)2-3 (2.5)1.8
3Azadirachta indicaGreyCopper brownOblongRidgesTerminalLateral8-10 (9)3-4 (3.5)2.57
4Calotropis proceraBrownLight brownFlat, broadly ovateSmoothTerminalDorsoventral5-6 (5.5)4-5 (4.5)1.2
5Cannabis sativaGreyish brownOff-whiteOblongSmoothTerminalLateral5-6 (5.5)3-4 (3.5)1.57
6Cassia occidentalisGreyBrownOvateSmoothTerminalLateral4-5 (4.5)3-4 (3.5)1.28
7Chenopodium ambrosioidesGreenBlackish brownSphericalRoughNot visibleAbsent1-3 (2)0.5-2.5 (1.5)1.33
8Datura innoxiaBrownOff –white, creamyBroad kidneyRoughNot visibleDorsoventral4-5 (4.5)2-4 (3)1.5
9Dodonaea viscosaBlackYellowSphericalSmoothTerminalLateral3-4 (3.5)3-4 (3.5)1
10Lantana camaraBrownLight yellowSpheroid-ovateWrinkledTerminalAbsent4-6 (5)4-5 (4.5)1.11
11Lantana urticoidesBrownLight yellowSpheroid-ovateWrinkledTerminalAbsent4-6 (5)4-5 (4.5)1.11
12Nasturtium officinaleBrownLight yellowEllipticalWrinkledTerminalDorsoventral8-10 (9)6-8 (7)1.28
13Ricinus communisBrownWhiteOblongSmoothTerminalDorsoventral13-15 (14)5-7 (6)2.33
14Robinia pseudoacaciaBrown to blackLight brownKidney shapeFurrowsNot visibleLateral5-6 (5.5)3-4 (3.5)1.37
15Sapium sebiferumWhiteBrownGlobular spheroidSmooth (shiny)TerminalVentral8-1.1 (9.5)5-7 (6)1.58
16Sesamum indicumGreyWhiteObovateSmooth (shiny)TerminalLateral4-5 (4.5)2-4 (3)1.5
17Silybum marianumGreyWhiteOblongSmooth(shiny)TerminalDorsoventral5-7 (6)2-3 (2.5)2.4
18Solanum surattenseBrown-orangeYellowDiscoid obovateSmooth (shiny)TerminalLateral3-4 (3.5)2-2.5 (2.25)1.55
19Sonchus oleraceusDark brownOff -whiteOvateSmoothTerminalDorsoventral3-5 (4)1-2 (1.5)2.66
20Xanthium strumariumBrownGayOblong ellipsoidRough (spiny)TerminalDorsoventral12-14 (13)7-9 (8)1.625