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Description
Medicago Polymorpha Var. Vulgaris, commonly known as bur clover, is an annual plant that belongs to the Fabaceae family. It is native to the Mediterranean region, but it has spread to other parts of the world, including North America, where it is considered an invasive species. The plant grows up to 24 inches tall and has a spread of 12 inches. The stems are slender and hairy, while the leaves are trifoliate with a circular shape. The flowers are small and yellow, and they bloom from February to June. The plant produces pods that contain seeds, which can remain viable in the soil for several years.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Fabales |
| Family | Fabaceae |
| Genus | Medicago |
Appearance
Bur clover has a distinctive appearance, with three-lobed leaves and small yellow flowers. The stems are slender and hairy, and they can grow up to 24 inches tall. The plant produces pods that contain seeds, which can remain viable in the soil for several years. The leaves are green and have a circular shape, and they are arranged alternately on the stem. The flowers are small and yellow, and they bloom from February to June. The plant has a spread of 12 inches and can grow in clumps.
Care Guide
Bur clover is a hardy plant that requires minimal care. It can grow in a wide range of soil types, from sandy to clay, and it prefers well-draining soil. The plant can tolerate drought conditions, but it grows best with regular watering. Fertilization is not necessary, but it can help the plant to grow larger and produce more flowers. The plant prefers full sun to partial shade and can grow in hardiness zones 8 to 10.
Common Pests & Diseases
Bur clover is relatively resistant to pests and diseases, but it can be affected by root rot if the soil is too wet. Aphids and spider mites can also infest the plant, but they can be controlled with insecticidal soap or neem oil. Powdery mildew can also be a problem, but it can be prevented by ensuring good air circulation around the plant.
Habitat
Bur clover is native to the Mediterranean region, but it has spread to other parts of the world, including North America, where it is considered an invasive species. The plant can grow in a wide range of habitats, including fields, meadows, and waste areas. It prefers well-draining soil and can tolerate drought conditions.
Question and Answer
Q: Is bur clover poisonous?
A: No, bur clover is not poisonous to humans or animals. In fact, it is sometimes used as a forage crop for livestock.
Q: Can bur clover be grown indoors?
A: No, bur clover is an outdoor plant that requires full sun to grow properly.
Q: How long does it take for bur clover to germinate?
A: Bur clover seeds can germinate in as little as 5 days, but it can take up to 3 weeks in cooler temperatures.
Q: How can I control the spread of bur clover?
A: Bur clover can be controlled by hand-pulling or by using herbicides. However, be careful not to damage other plants in the area.
Related Plants
- Medicago lupulina (Black Medic)
- Medicago sativa (Alfalfa)
- Medicago arabica (Spotted Medick)
- Medicago polymorpha (California Bur Clover)
References
- Bur Clover. (n.d.). In Invasive Species Compendium. Retrieved February 28, 2021, from https://www.cabi.org/isc/datasheet/32126
- Medicago. (n.d.). In Plants of the World Online. Retrieved February 28, 2021, from http://www.plantsoftheworldonline.org/taxon/urn:lsid:ipni.org:names:30007403-2
- Medicago polymorpha. (n.d.). In USDA Plants Database. Retrieved February 28, 2021, from https://plants.usda.gov/core/profile?symbol=MEPO2
