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Description
Ranunculus Oxyspermus, commonly known as the sharp-fruited buttercup or western buttercup, is a perennial herb that belongs to the Ranunculaceae family. This plant is native to North America and can be found in many regions including Alaska, the Rocky Mountains, and the Great Basin.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Ranunculales |
| Family | Ranunculaceae |
| Genus | Ranunculus |
Appearance
The sharp-fruited buttercup grows up to 1.5 feet tall and has a basal rosette of leaves. The leaves are deeply lobed and have a glossy appearance. The flowers of this plant are bright yellow and have 5-7 petals. The petals are about 1 inch in length and surround a central cluster of stamens. After the flowering season, the plant produces small, sharp, cone-shaped fruit that are 1/4 inch long.
Care Guide
To care for Ranunculus Oxyspermus, it is important to keep the plant in well-draining soil that is rich in organic matter. This plant prefers partial shade to full sun and requires moderate watering. During the growing season, fertilize the plant once a month with a balanced fertilizer. This plant is hardy in zones 3-7.
Common Pests & Diseases
Ranunculus Oxyspermus is susceptible to aphids, spider mites, and slugs. To prevent these pests, keep the plant well-watered and avoid over-fertilizing. Powdery mildew and rust are common diseases that can affect this plant. These diseases can be prevented by ensuring good air circulation around the plant and avoiding overhead watering.
Habitat
Ranunculus Oxyspermus can be found in a variety of habitats including meadows, open forests, and rocky slopes. This plant prefers moist soil and can be found growing near streams and other bodies of water.
Question and Answer
Q: Is Ranunculus Oxyspermus poisonous?
A: Yes, this plant is toxic if ingested. It contains ranunculin, which can cause blistering and irritation of the skin and mucous membranes.
Q: Can Ranunculus Oxyspermus be grown in containers?
A: Yes, this plant can be grown in containers as long as the container is large enough to accommodate the plant and has good drainage.
Q: What is the best time to plant Ranunculus Oxyspermus?
A: The best time to plant this plant is in the spring or fall when the weather is cool and moist.
Q: How often should I water Ranunculus Oxyspermus?
A: Water this plant regularly during the growing season, but be careful not to overwater as this can lead to root rot.
Related Plants
- Ranunculus Acris
- Ranunculus Bulbosus
- Ranunculus Californicus
- Ranunculus Flammula
References
- “Ranunculus Oxyspermus.” Lady Bird Johnson Wildflower Center. Accessed July 26, 2021. https://www.wildflower.org/plants/result.php?id_plant=raox2.
- “Ranunculus Oxyspermus.” USDA Plants Database. Accessed July 26, 2021. https://plants.usda.gov/core/profile?symbol=RAOX2.
- “Ranunculus Oxyspermus.” Montana Field Guide. Accessed July 26, 2021. https://fieldguide.mt.gov/species/2086.
