Henrya Insularis
Contents
Description
Henrya Insularis is a flowering plant that belongs to the family Asteraceae. It is commonly known as “Island rushfoil” and is endemic to the Hawaiian Islands. The plant has an erect growth habit and grows up to 1.5 meters tall. It is characterized by its small, yellow flowers that form in clusters at the end of its branches. The leaves of Henrya Insularis are narrow and lance-shaped, and it produces a small fruit with a single seed.
Taxonomic Information
| Domain| Eukarya||———–|————|| Kingdom| Plantae|| Phylum| Tracheophyta|| Class| Magnoliopsida || Order| Asterales|| Family| Asteraceae || Genus| Henrya|| Species| Insularis|
Appearance
Henrya Insularis is a tall plant with an upright growth habit. It has narrow, lance-shaped leaves that grow up to 12 centimeters long. The plant produces clusters of small, yellow flowers that bloom from early summer to early fall. Each flower head is about 4 millimeters in diameter and has 5 to 12 individual flowers. The flowers are followed by small, dry fruits that contain a single seed.
Care Guide
Henrya Insularis grows best in full sun and well-draining soil. The plant requires moderate watering and should be fertilized every two to three months with a balanced fertilizer. It is hardy in USDA zones 10 to 11 and can tolerate temperatures as low as 30 degrees Fahrenheit. To keep the plant healthy, remove any dead or damaged leaves and flowers.
Common Pests & Diseases
Henrya Insularis is susceptible to spider mites, mealybugs, and aphids. These pests can be controlled with insecticidal soap or neem oil. The plant is also susceptible to fungal diseases such as powdery mildew and leaf spot. To prevent these diseases, avoid overhead watering and ensure good air circulation around the plant.
Habitat
Henrya Insularis is native to the Hawaiian Islands and is found in dry, rocky habitats at elevations of up to 2,000 meters. It grows in areas with full sun and well-draining soil.
Question and Answer
Q: Is Henrya Insularis easy to care for?
A: Yes, Henrya Insularis is a relatively easy plant to care for, as long as its basic needs are met.Q: Can Henrya Insularis be grown indoors?
A: Yes, Henrya Insularis can be grown indoors as long as it receives enough sunlight and is planted in well-draining soil.Q: What is the best way to propagate Henrya Insularis?
A: Henrya Insularis can be propagated by seed or stem cuttings.Q: Is Henrya Insularis an endangered species?
A: Yes, Henrya Insularis is listed as an endangered species due to habitat loss and invasive species.
Related Plants
– Henrya Biflora- Henrya Cinerea- Henrya Erythrocarpa- Henrya Hillebrandii
References
– “Henrya Insularis.” National Tropical Botanical Garden. https://ntbg.org/plants/plant_details.php?plantid=15604- “Henrya Insularis.” Native Plants Hawaii. https://nativeplants.hawaii.edu/plant/view/Henrya_insularis- “Henrya Insularis.” USDA Plants Database. https://plants.usda.gov/core/profile?symbol=HEIN3
