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Description
Celmisia Lyallii, also known as Mount Cook Lily or Lyall’s snow daisy, is a perennial herbaceous plant that belongs to the Asteraceae family. It is native to New Zealand’s South Island and grows in alpine and subalpine regions at elevations of 600-2800 meters above sea level. The plant has a short stem and forms a rosette of leaves at the base that can reach up to 30 cm in diameter. Each leaf is leathery, linear, and coated with dense white hairs that protect the plant from extreme weather conditions.
Taxonomic Information
| Domain | Eukarya |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Celmisia |
Appearance
Celmisia Lyallii produces a tall flowering stem, which can reach a height of up to 1 meter. The stem is covered with long, narrow leaves that become smaller as they ascend the stem. The flowers are daisy-like and measure 5-8 cm in diameter. They have white petals and yellow centers, and they bloom from November to February. The plant’s fruit is a brown achene that is dispersed by the wind.
Care Guide
Celmisia Lyallii is a hardy plant that can survive in a wide range of soil types, including loam, sand, and gravel. The plant prefers well-draining soil that is slightly acidic. It requires moderate watering and should be fertilized every two weeks during the growing season. The plant prefers full sun but can tolerate partial shade. It is hardy to USDA hardiness zones 7-10.
Common Pests & Diseases
Celmisia Lyallii is susceptible to fungal diseases such as root rot and powdery mildew. The plant is also attractive to aphids and spider mites, which can cause damage to the leaves and flowers. To prevent these pests and diseases, it is recommended to keep the plant in a well-ventilated area and avoid overwatering.
Habitat
Celmisia Lyallii is found in alpine and subalpine regions of New Zealand’s South Island. It grows in rocky areas, scree slopes, and tussock grasslands. The plant is adapted to cold and windy conditions and can survive temperatures as low as -20°C.
Question and Answer
Q: Is Celmisia Lyallii a rare plant?
A: Yes, Celmisia Lyallii is considered a rare and endangered plant species.
Q: Can Celmisia Lyallii be grown in a container?
A: Yes, Celmisia Lyallii can be grown in a container as long as it has well-draining soil and receives enough sunlight.
Q: How often should Celmisia Lyallii be fertilized?
A: Celmisia Lyallii should be fertilized every two weeks during the growing season.
Q: How long does it take for Celmisia Lyallii to bloom?
A: Celmisia Lyallii blooms from November to February.
Related Plants
- Celmisia Haastii
- Celmisia Semicordata
- Celmisia Spectabilis
References
- de Lange, P., Rolfe, J., & Barkla, J. (2018). Celmisia lyallii (Mount Cook Lily).
- Landcare Research. (n.d.). Celmisia lyallii.
- Te Papa Tongarewa. (n.d.). Celmisia lyallii.
