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Description
Pleurophyllum is a genus of giant herbs that belongs to the daisy family (Asteraceae) and is found in the sub-Antarctic region. The name Pleurophyllum is derived from the Greek words “pleuron” meaning side and “phyllon” meaning leaf, referring to the leaves being arranged on the side of the stem. The genus contains six species, all of which are endemic to the sub-Antarctic islands of New Zealand, South Georgia, and the South Sandwich Islands.
Taxonomic Information
| Domain: | Eukarya |
| Kingdom: | Plantae |
| Phylum: | Tracheophyta |
| Class: | Magnoliopsida |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Pleurophyllum |
Appearance
Pleurophyllums are giant herbs that can grow up to two meters in height. They have large, leathery leaves that are arranged in a rosette at the base of the stem. The leaves are often lobed and have a thick, waxy coating that helps to prevent water loss. The flowers are produced in large, terminal clusters and are surrounded by overlapping bracts. The individual flowers are typically small and have a yellow or white color.
Care Guide
Pleurophyllums are not commonly grown in gardens, but if you want to grow them, here are some tips:Water: Pleurophyllums prefer moist soil, so water them regularly, especially during the growing season. Avoid overwatering as it can lead to root rot.Fertilization: Pleurophyllums do not require much fertilization, but you can feed them with a balanced fertilizer once a month during the growing season.Soil: Pleurophyllums prefer well-draining soil that is rich in organic matter. You can add compost or peat moss to the soil to improve its quality.Sunlight: Pleurophyllums prefer full sun to partial shade. In areas with hot summers, they may benefit from some afternoon shade.Hardiness Zones: Pleurophyllums are hardy in USDA zones 8 to 10.
Common Pests & Diseases
Pleurophyllums are relatively pest and disease-free, but they can be affected by:Slugs and Snails: These pests can damage the leaves and flowers of Pleurophyllums. You can control them by using slug baits or by handpicking them.Powdery Mildew: This fungal disease can affect the leaves of Pleurophyllums, causing a white, powdery coating. You can control it by spraying the plants with a fungicide.
Habitat
Pleurophyllums are found in the sub-Antarctic region, where they grow in open, rocky areas and on cliffs. They are adapted to the harsh, windy conditions of their habitat and have developed thick, leathery leaves to help them conserve water.
Question and Answer
Q: Are Pleurophyllums easy to grow?
A: Pleurophyllums are not commonly grown in gardens, but they can be grown with some effort.Q: Where are Pleurophyllums found?
A: Pleurophyllums are found in the sub-Antarctic islands of New Zealand, South Georgia, and the South Sandwich Islands.Q: What is the meaning of the name Pleurophyllum?
A: The name Pleurophyllum is derived from the Greek words “pleuron” meaning side and “phyllon” meaning leaf, referring to the leaves being arranged on the side of the stem.Q: What is the hardiness zone for Pleurophyllums?
A: Pleurophyllums are hardy in USDA zones 8 to 10.
Related Plants
Here are some related plants that are also native to the sub-Antarctic region:
- Pringlea antiscorbutica (Kerguelen cabbage)
- Stilbocarpa polaris (silver cushion)
- Megaherbs (a group of plants that includes several species of Pleurophyllum)
References
- https://en.wikipedia.org/wiki/Pleurophyllum
- https://www.gardenia.net/plant/pleurophyllum-speciosum-giant-aster
- https://www.gardeningknowhow.com/ornamental/flowers/giant-aster/pleurophyllum-giant-aster.htm
