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Description
Nestegis Sandwicensis, also known as Hawaiian Olive Tree or Olopua, is a small evergreen tree that is indigenous to Hawaii. It belongs to the Oleaceae family, which also includes common olive trees. Nestegis Sandwicensis has a slow growth rate and can reach a height of up to 30 feet. Its leaves are leathery, glossy, and dark green in color. The tree produces small, white, and fragrant flowers that bloom from June to September. The fruit of the Hawaiian Olive Tree is a small, dark purple drupe that is edible and has a sweet, juicy flavor.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Lamiales |
| Family | Oleaceae |
| Genus | Nestegis |
Appearance
Nestegis Sandwicensis has a beautiful appearance that makes it a popular ornamental plant. Its leathery leaves are shiny and dark green, and they grow in an opposite pattern on the branches. The tree has a dense canopy that provides excellent shade. The fragrant flowers of the Hawaiian Olive Tree are small, white, and tubular. They grow in clusters and bloom from June to September. The fruit of the tree is a small, dark purple drupe that resembles an olive.
Care Guide
Nestegis Sandwicensis is a low-maintenance plant that requires minimal care. Here are some tips to keep your Hawaiian Olive Tree healthy and thriving:
Water: Water your tree regularly, especially during hot and dry weather. Avoid overwatering, as it can lead to root rot.
Fertilization: Apply a balanced fertilizer to your tree twice a year, once in the spring and once in the fall.
Soil: Plant your Hawaiian Olive Tree in well-draining soil that is rich in organic matter.
Sunlight: The tree prefers full sun to partial shade. It can tolerate some shade, but it may not bloom as well.
Hardiness Zones: Nestegis Sandwicensis is hardy in USDA zones 9-11.
Common Pests & Diseases
Hawaiian Olive Trees are relatively pest and disease-resistant. However, they can be susceptible to scale insects, mealybugs, and leaf spot diseases. Regularly inspect your tree for any signs of infestation or disease, and treat promptly with the appropriate insecticide or fungicide.
Habitat
Nestegis Sandwicensis is native to Hawaii, where it grows in lowland and montane forests. The tree prefers moist, well-draining soils and can tolerate some drought. It is also tolerant of salt spray and can grow near the coast.
Question and Answer
Q: Is Nestegis Sandwicensis an invasive species?
A: No, Nestegis Sandwicensis is not considered an invasive species. It is indigenous to Hawaii and is an important component of the local ecosystem.
Q: Can Hawaiian Olive Trees be grown in containers?
A: Yes, Hawaiian Olive Trees can be grown in containers. However, they will require more frequent watering and fertilization than those planted in the ground.
Q: Are the fruits of Nestegis Sandwicensis edible?
A: Yes, the fruits of the Hawaiian Olive Tree are edible and have a sweet, juicy flavor. They are often used to make jam or jelly.
Q: How long does it take for Nestegis Sandwicensis to reach maturity?
A: Nestegis Sandwicensis has a slow growth rate and can take up to 10 years to reach maturity.
Related Plants
Here are some other plants that are related to Nestegis Sandwicensis:
- Olea europaea (Common Olive)
- Jasminum polyanthum (Pink Jasmine)
- Syringa vulgaris (Common Lilac)
- Fraxinus excelsior (European Ash)
References
- https://www.gardeningknowhow.com/ornamental/trees/hawaiian-olive-tree/growing-hawaiian-olive-trees.htm
- https://www.hawaii.edu/cpis/MI/MI-96.htm
- https://www.wildflower.org/plants/result.php?id_plant=NESA
