A biological species is a group of living things that can replicate and produce fertile offspring in existence. Species are distinguished by their genetic variation from other clusters, which implies that living things in one species are impotent of replicating with living things in another. In this case, it is important to note that Blackjack is scientifically known as Bidens pilosa. The plant is a common weed in tropical, tropics and subtropics, and warm temperate zones.
Bidens pilosa has a high proliferation perspective and rapid growth rates, allowing it to spread and populate new areas quickly. Rojas-Sandoval (2020) indicates that a solitary Bidens pilosa plant can produce up to 7000 seeds per year, diffusing and hooked up to animals, birds, human clothing, or by wind or water. Grains, on the other hand, are known to survive for 5 to 6 years. This species is also adapted to growing in a variety of habitats and soils. First, it takes advantage of perturbations and quickly spreads after fires and soil plowing.
Second, it can spread quickly, forming closely packed positions that compete effectively and eventually eliminate crops and greenery. Allelopathic substances found in the leaves and roots inhibit the germination and institution of seeds of native plants. The closely packed thickets can also cause problems for roads, rails, and recreation facilities and become a nuisance to travelers and tourists (Rojas-Sandoval, 2020). Furthermore, its burs irritate humans and farm animals, and its roots, leaves, and flowers are highly toxic to plants. Bidens pilosa has a high purification perspective and rapid growth rates. It quickly spreads and populates new areas within a short duration. The plant is a common weed in tropical, tropics and subtropics, and warm temperate zones.
Reference
Rojas-Sandoval, J. (2020). Bidens pilosa (blackjack).