Epilobium Nummularifolium

Description

Epilobium Nummularifolium, also known as the rock fringe or coin-leaf willowherb, is a perennial herb that belongs to the Onagraceae family. This plant is native to North America and can be found in Alaska, western Canada, and the western United States. Epilobium Nummularifolium grows up to 30 cm in height and produces attractive yellow flowers that bloom from June to August.

Taxonomic Information

Appearance

Epilobium Nummularifolium has a unique appearance that sets it apart from other plants. It has round leaves that are shaped like coins, hence the name coin-leaf willowherb. The leaves are about 1 cm in diameter and have a smooth texture. The stem of the plant is thin and reddish-brown in color. The flowers of Epilobium Nummularifolium are bright yellow and have four petals. They are about 1.5 cm in diameter and bloom from June to August.

Care Guide

Epilobium Nummularifolium is a hardy plant that requires minimal care. Here are some tips to keep your plant healthy and thriving:

Water: Epilobium Nummularifolium requires regular watering during the growing season. Water the plant deeply once a week, making sure the soil is moist but not waterlogged.

Fertilization: Epilobium Nummularifolium does not require regular fertilization. However, you can feed the plant with a balanced fertilizer once a year to promote growth and blooming.

Soil: Epilobium Nummularifolium prefers well-draining soil that is rich in organic matter. The soil should be slightly acidic with a pH range of 6.0 to 7.0.

Sunlight: Epilobium Nummularifolium grows best in full sun to partial shade. It can tolerate some shade, but too much shade can reduce blooming.

Hardiness Zones: Epilobium Nummularifolium is hardy in USDA zones 4 to 7.

Common Pests & Diseases

Epilobium Nummularifolium is relatively pest and disease-free. However, here are a few pests and diseases that can affect the plant:

Aphids: Aphids can infest the plant, causing stunted growth and yellowing of leaves. Use insecticidal soap to get rid of aphids.

Spider Mites: Spider mites can cause damage to the leaves of Epilobium Nummularifolium, causing them to turn yellow and fall off. Use neem oil to control spider mites.

Mildew: Powdery mildew can occur on the leaves of Epilobium Nummularifolium, causing them to turn white and powdery. Use a fungicide to control mildew.

Habitat

Epilobium Nummularifolium is native to North America and can be found in a variety of habitats, including rocky slopes, meadows, and open woods. It prefers well-drained soil and can tolerate dry conditions.

Question and Answer

Q: Is Epilobium Nummularifolium poisonous to humans?

A: No, Epilobium Nummularifolium is not poisonous to humans.

Q: Can Epilobium Nummularifolium be grown indoors?

A: No, Epilobium Nummularifolium is not suitable for indoor growing as it requires full sun to partial shade.

Q: How often should I water Epilobium Nummularifolium?

A: Water Epilobium Nummularifolium deeply once a week, making sure the soil is moist but not waterlogged.

Q: How tall does Epilobium Nummularifolium grow?

A: Epilobium Nummularifolium grows up to 30 cm in height.

Related Plants

Here are some related plants to Epilobium Nummularifolium:

• Epilobium angustifolium
• Epilobium ciliatum
• Epilobium hirsutum
• Epilobium palustre

References

• Epilobium Nummularifolium. Missouri Botanical Garden. Retrieved from https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=286414&isprofile=0&basic=epilobium%20nummularifolium
• Epilobium Nummularifolium. Plant Database. Retrieved from https://www.wildflower.org/plants/result.php?id_plant=EPNU2
• Epilobium Nummularifolium. USDA Forest Service. Retrieved from https://www.fs.fed.us/database/feis/plants/forb/epinum/all.html