Description
Alternanthera collina (also called Hill Alternanthera, Hill Joyweed, and Hill Alternanthera Joyweed, among many other common names) is a low-growing, mat-forming perennial plant with small, white flowers. It is native to tropical and subtropical regions of the Americas, and is found in moist, shady hillsides.
Flower, Seeds and Seedlings
Alternanthera collina has small, white flowers with 4 petals. The seeds are small, black, and round. The seedlings are small and have a single pair of leaves.
Cultivation and Propagation
Alternanthera collina is a perennial herb that can be propagated by division or by seed. It prefers moist, well-drained soils and full sun to partial shade. It is tolerant of heat and humidity and is drought-tolerant once established. It can be propagated by division in spring or early summer. Seeds can be sown in spring or early summer in a warm, sunny spot. The seedlings should be spaced about 30 cm apart.
Where to Find Alternanthera collina
Alternanthera collina can be found in Brazil, Paraguay, Uruguay, and Argentina.