Lift the lift out of Lupen Port, then immediately turn east to the small jump point in the chasm. Once across, head towards the centre of the large space on Lost Ark Gold the other side. You'll find a cactus patch with six cacti with yellow flowers. And two more just to their right. The mokoko seed is hidden in centre of the patch.
Mokoko Seeds Four and Five The Secret Path
If you're in the Outskirts just outside Lupen Port, head north to The Research Camp. Once there, leave east and follow the road southeast until it becomes a fork. Follow the narrow southern fork that appears to be dead end. The road actually continues to wind towards the south and beyond the jumping point on the map before turning east. Continue to the final point to find an uninvolved dusty spot and two more seeds hidden clearly visible on the ground.
Mokoko Seed Six - Research Camp
Begin walking along the north trail that goes from Outskirts into Research Camp. Once you're in into the Research Camp area, keep moving straight to the north until you arrive at the cliffs on the north side. Continue to follow the cliff as moves to the northwest. You'll see the next mokoko by some Cacti.
Mokoko Seed Seven - Northwest Guard Post
And finally, make it towards the Guard Post Triport. Take a direct route to the southeast, like you're heading to Research Camp. You'll pass by a huge rock and Cheap Lost Ark Gold then should see another, beside a dead tree on the edge of a crack in the ground. The final mokoko seed of Arid Path is at the top of the tree.