Contents
Description
Oxytropis Nigrescens, commonly known as the Black Locoweed, is a perennial herbaceous plant native to North America. It belongs to the Fabaceae family and is characterized by its beautiful purple flowers and black seed pods. However, the plant is also known for its toxicity, particularly in cattle and horses that graze on it.
Taxonomic Information
| Domain | Eukaryota |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Fabales |
| Family | Fabaceae |
| Genus | Oxytropis |
Appearance
The Oxytropis Nigrescens grows up to 40cm tall and has a compact, bushy habit. Its leaves are pinnately compound and have 7-13 leaflets. The flowers are purple and bloom in early summer, forming dense spikes. The seed pods are black and resemble small pebbles.
Care Guide
The Oxytropis Nigrescens prefers well-draining soil and full sun. It is drought-tolerant and can survive in hardiness zones 4-8. Watering should be done sparingly, as excessive moisture can lead to root rot. Fertilization is not necessary, as the plant can fix nitrogen from the air.
Common Pests & Diseases
The Oxytropis Nigrescens is relatively pest and disease-free. However, it can be affected by leaf spot, rust, and powdery mildew if grown in humid conditions.
Habitat
The Oxytropis Nigrescens is native to North America and can be found in dry prairies, meadows, and rocky slopes. It is particularly abundant in the Great Plains region, where it serves as an important source of forage for wildlife.
Question and Answer
Q: Is the Oxytropis Nigrescens poisonous?
A: Yes, the plant is toxic to livestock and can cause neurological damage.
Q: Can the Oxytropis Nigrescens be grown in containers?
A: Yes, but it requires well-draining soil and full sun.
Q: How long does it take for the Oxytropis Nigrescens to bloom?
A: The plant typically blooms in early summer, around May or June.
Q: Can the Oxytropis Nigrescens be propagated from cuttings?
A: No, the plant is best propagated from seed.
Related Plants
- Oxytropis Lamberti
- Oxytropis Campestris
- Oxytropis Viscida
- Oxytropis Sericea
References
- USDA Plants Database: Oxytropis nigrescens
- American Society for the Prevention of Cruelty to Animals: Black Locoweed
- Missouri Botanical Garden: Oxytropis nigrescens
