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 name | Seed color | Inner color | Seed shape | Texture/surface | Hilum | Compression | Length (mm) | Width (mm) | L/W ratio |
| 1 | Ailanthus altissima | Brown | Light brown | Spherical globose | Smooth | Not visible | Lateral | 7-9 (8) | 5-8 (6.5) | 1.23 | 2 | Argemone ochroleuca | Golden yellow | Off-white | Obovate | Smooth | Not visible | Absent | 4-5 (4.5) | 2-3 (2.5) | 1.8 | 3 | Azadirachta indica | Grey | Copper brown | Oblong | Ridges | Terminal | Lateral | 8-10 (9) | 3-4 (3.5) | 2.57 | 4 | Calotropis procera | Brown | Light brown | Flat, broadly ovate | Smooth | Terminal | Dorsoventral | 5-6 (5.5) | 4-5 (4.5) | 1.2 | 5 | Cannabis sativa | Greyish brown | Off-white | Oblong | Smooth | Terminal | Lateral | 5-6 (5.5) | 3-4 (3.5) | 1.57 | 6 | Cassia occidentalis | Grey | Brown | Ovate | Smooth | Terminal | Lateral | 4-5 (4.5) | 3-4 (3.5) | 1.28 | 7 | Chenopodium ambrosioides | Green | Blackish brown | Spherical | Rough | Not visible | Absent | 1-3 (2) | 0.5-2.5 (1.5) | 1.33 | 8 | Datura innoxia | Brown | Off –white, creamy | Broad kidney | Rough | Not visible | Dorsoventral | 4-5 (4.5) | 2-4 (3) | 1.5 | 9 | Dodonaea viscosa | Black | Yellow | Spherical | Smooth | Terminal | Lateral | 3-4 (3.5) | 3-4 (3.5) | 1 | 10 | Lantana camara | Brown | Light yellow | Spheroid-ovate | Wrinkled | Terminal | Absent | 4-6 (5) | 4-5 (4.5) | 1.11 | 11 | Lantana urticoides | Brown | Light yellow | Spheroid-ovate | Wrinkled | Terminal | Absent | 4-6 (5) | 4-5 (4.5) | 1.11 | 12 | Nasturtium officinale | Brown | Light yellow | Elliptical | Wrinkled | Terminal | Dorsoventral | 8-10 (9) | 6-8 (7) | 1.28 | 13 | Ricinus communis | Brown | White | Oblong | Smooth | Terminal | Dorsoventral | 13-15 (14) | 5-7 (6) | 2.33 | 14 | Robinia pseudoacacia | Brown to black | Light brown | Kidney shape | Furrows | Not visible | Lateral | 5-6 (5.5) | 3-4 (3.5) | 1.37 | 15 | Sapium sebiferum | White | Brown | Globular spheroid | Smooth (shiny) | Terminal | Ventral | 8-1.1 (9.5) | 5-7 (6) | 1.58 | 16 | Sesamum indicum | Grey | White | Obovate | Smooth (shiny) | Terminal | Lateral | 4-5 (4.5) | 2-4 (3) | 1.5 | 17 | Silybum marianum | Grey | White | Oblong | Smooth(shiny) | Terminal | Dorsoventral | 5-7 (6) | 2-3 (2.5) | 2.4 | 18 | Solanum surattense | Brown-orange | Yellow | Discoid obovate | Smooth (shiny) | Terminal | Lateral | 3-4 (3.5) | 2-2.5 (2.25) | 1.55 | 19 | Sonchus oleraceus | Dark brown | Off -white | Ovate | Smooth | Terminal | Dorsoventral | 3-5 (4) | 1-2 (1.5) | 2.66 | 20 | Xanthium strumarium | Brown | Gay | Oblong ellipsoid | Rough (spiny) | Terminal | Dorsoventral | 12-14 (13) | 7-9 (8) | 1.625 |
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