Acaena Pinnatifida

Description

Acaena Pinnatifida, also known as the ‘New Zealand Burr,’ is a low-growing perennial plant that belongs to the Rosaceae family. It is native to New Zealand and is also found in southeastern Australia. It has distinctive leaves that are pinnately divided into toothed and spiny segments. The flowers of Acaena Pinnatifida are small, yellow, and inconspicuous, and they bloom in summer. The plant produces burr-like fruits that stick to clothing and animal fur, aiding in its dispersal.

Taxonomic Information

Domain	Eukarya
Kingdom	Plantae
Phylum	Tracheophyta
Class	Magnoliopsida
Order	Rosales
Family	Rosaceae
Genus	Acaena

Appearance

Acaena Pinnatifida is a low-growing plant that reaches a height of 10-15 cm (4-6 inches) and spreads through underground runners. Its leaves are pinnately divided into toothed and spiny segments, which are green on the upper side and silvery-grey on the underside. The plant produces small, yellow flowers that bloom in summer, followed by burr-like fruits. These burrs are green at first but turn brown as they mature and can stick to clothing and animal fur, aiding in its dispersal.

Care Guide

Acaena Pinnatifida is a hardy plant that requires little maintenance. Here are some care tips to keep your plant healthy:Water: Water your Acaena Pinnatifida regularly, keeping the soil moist but not waterlogged.Fertilization: Acaena Pinnatifida does not require frequent fertilization. However, you can apply a balanced fertilizer once a year in spring.Soil: Acaena Pinnatifida prefers well-draining soil that is rich in organic matter. It can tolerate acidic to neutral soil pH levels.Sunlight: Acaena Pinnatifida prefers full sun to partial shade. It can tolerate light shade but may not flower as profusely.Hardiness Zones: Acaena Pinnatifida is hardy in USDA zones 5-9.

Common Pests & Diseases

Acaena Pinnatifida is generally disease and pest-free. However, it can be susceptible to fungal diseases such as crown rot and leaf spot. Aphids and spider mites can also infest the plant, causing damage to the leaves. To prevent these problems, ensure good air circulation around the plant, avoid overwatering, and remove any infected leaves or plants promptly.

Habitat

Acaena Pinnatifida is native to New Zealand and is also found in southeastern Australia. It grows in a variety of habitats, including grasslands, scrublands, and forests. It is commonly used as a ground cover in gardens and landscapes.

Question and Answer

Q: Can Acaena Pinnatifida tolerate drought?
A: Acaena Pinnatifida is tolerant of dry conditions but prefers moist soil. However, it can die back if exposed to prolonged drought.Q: How often should I fertilize my Acaena Pinnatifida?
A: Acaena Pinnatifida does not require frequent fertilization. You can apply a balanced fertilizer once a year in spring.Q: Can Acaena Pinnatifida grow in containers?
A: Yes, Acaena Pinnatifida can grow in containers as long as the soil is well-draining and the container has adequate drainage holes.Q: How can I propagate Acaena Pinnatifida?
A: Acaena Pinnatifida can be propagated by division or from stem cuttings.

Related Plants

Here are some related plants to Acaena Pinnatifida:

• Acaena Inermis
• Acaena Novae-Zelandiae
• Acaena Saccaticupula
• Acaena Microphylla

References

• “Acaena Pinnatifida.” New Zealand Plant Conservation Network. Accessed 20 August 2021. https://www.nzpcn.org.nz/flora/species/acaena-pinnatifida/
• “Acaena Pinnatifida.” Missouri Botanical Garden. Accessed 20 August 2021. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=269032&isprofile=0&basic=acaena%20pinnatifida
• “Acaena Pinnatifida.” Royal Horticultural Society. Accessed 20 August 2021. https://www.rhs.org.uk/Plants/11211/Acaena-pinnatifida/Details