Mimosa Pigra
Contents
Description
Mimosa Pigra, also known as giant sensitive plant or black mimosa, is a highly invasive plant species that originates from South and Central America. It has now spread to various parts of the world, including Africa, Asia, Australia, and the Pacific Islands. Mimosa Pigra is a perennial shrub that can grow up to 6 meters in height and can form dense thickets that choke waterways and natural habitats. The plant has a taproot system that can go deep into the soil, making it difficult to control and eradicate.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Magnoliophyta |
| Class | Magnoliopsida |
| Order | Fabales |
| Family | Mimosaceae |
| Genus | Mimosa |
Appearance
Mimosa Pigra has compound leaves that are sensitive to touch, hence the name “sensitive plant”. When the leaves are touched, they fold up and droop down. The leaflets are small and oval-shaped, and the stem is covered with sharp thorns. The flowers are pink or purple and grow in clusters. The plant produces small, flat, and round pods that contain seeds. The plant’s appearance can vary depending on the climate and soil conditions.
Care Guide
Mimosa Pigra is an invasive species, and therefore, it should not be intentionally planted or cared for. If found on your property, it is recommended to remove the plant and dispose of it properly. However, if you are growing the plant for research purposes, here are some care guidelines:- Water: The plant can tolerate periods of drought, but it prefers moist soil.- Fertilization: The plant does not require fertilization.- Soil: The plant can grow in a variety of soils, but it prefers wetlands and riparian areas.- Sunlight: The plant can grow in full sun or partial shade.- Hardiness Zones: The plant can grow in USDA hardiness zones 9-11.
Common Pests & Diseases
Mimosa Pigra does not have many pests or diseases that affect its growth. However, it can be affected by root rot and stem canker. The plant can also be damaged by herbivores such as deer and rabbits.
Habitat
Mimosa Pigra thrives in wetland areas, riverbanks, and other riparian habitats. It can also grow in disturbed areas such as abandoned agricultural fields, roadsides, and construction sites. The plant can tolerate a wide range of soil types, including sandy, clay, and loamy soils.
Question and Answer
Q: Is Mimosa Pigra harmful to the environment?
A: Yes, Mimosa Pigra is an invasive species that can disrupt the natural ecosystem and harm native plant and animal species.
Q: Can Mimosa Pigra be controlled?
A: Yes, the plant can be controlled through mechanical or chemical means. However, it is difficult to eradicate completely.
Q: Can Mimosa Pigra be used for any beneficial purposes?
A: Mimosa Pigra has no known beneficial uses.
Q: How does Mimosa Pigra spread?
A: The plant spreads through seeds that are dispersed by water, wind, and animals.
Related Plants
– Mimosa Aculeaticarpa- Mimosa Asperata- Mimosa Brevifolia- Mimosa Diplotricha- Mimosa Inversa
References
– “Mimosa Pigra (Giant Sensitive Plant).” CABI. https://www.cabi.org/isc/datasheet/32738- “Mimosa Pigra (Giant Sensitive Plant).” Global Invasive Species Database. https://www.iucngisd.org/gisd/species.php?sc=184- “Mimosa Pigra.” The Nature Conservancy. https://www.nature.org/en-us/get-involved/how-to-help/faq-mimosa-pigra/- “Mimosa Pigra.” USDA NRCS. https://plants.usda.gov/core/profile?symbol=MIPI3
