<i>Myrsine australis</i>(Myrsine australis) hero image

Red Māpou

Myrsine australis

Not specified

This native plant, known as Red Māpou(scientific name: Myrsine australis), is a remarkable species endemic to New Zealand. It is characterized by its unique features, ecological role, and cultural significance. This comprehensive guide provides detailed information on its care, propagation, and importance within the New Zealand ecosystem. Understanding this plant contributes to the appreciation of our rich biodiversity and heritage, and supports conservation efforts for Browse All.

<i>Myrsine australis</i>(Myrsine australis) showing <i>Myrsine australis</i>growth habit
Image credit: Red Māpou (Myrsine australis) - Photo via Wikipedia

Plant Description

Identification and Physical Characteristics

Red Māpou ( Myrsine australis ), also known as Māpou, tāpau, or mātātā, is a native evergreen shrub or small tree found throughout New Zealand Discover more about native shrubs. It typically grows 3-6 meters tall, with some reaching up to 7 meters, and has short, upright branches forming a compact crown. The trunk can grow up to 20 cm in diameter, with dark brown/black bark on older branches and reddish bark on juvenile branches, which is a distinguishing feature. The leaves are pale green to yellow-green, often mottled or blotched with red or purple spots, and have a leathery texture. They are typically 3-6 cm long and 1.5-2.5 cm wide, arranged alternately on the stem, and often have strongly undulate (wavy) margins. Inconspicuous, cream to whitish, or pale green flowers are clustered on small stalks and appear between August and January. These are followed by small, 1-seeded drupes that are dark brown to black when mature, produced between September and May.

Quick Facts

Myrsine australis quick facts
Scientific Name Myrsine australis
Height Up to 6 m
Spread Up to 3 m
Water Needs Moderate
Light Full sun to partial shade
Frost Tolerance Moderate
Salt Tolerance Moderate
Growth Rate Medium to fast
Lifespan Long

Climate Best Suited to

Myrsine australisis well adapted to various New Zealand regions.

Regional Suitability

City suitability for Myrsine australis
City Climate Suitability
Auckland High
Wellington High
Christchurch Medium

Plant Habitat

Natural Occurrence and Ecology

Understand the natural habitat of Red Māpou (Myrsine australis), which is found throughout New Zealand, in coastal to montane forests. This section details its geographical distribution, preferred environmental conditions, and the types of ecosystems where it naturally occurs.Widespread across New Zealand, from sea level to moderate altitudes.Found in coastal areas, forest margins, and open forests.Prefers well-drained sites with good air circulation.Thrives in full sun to partial shade.Its broad habitat range highlights its adaptability and resilience, making it a fascinating subject for ecological study.

Growing Requirements

Soil Requirements

Prefers well-draining soil rich in organic matter.

  • Well-drained
  • Loamy

Light Requirements

Grows best in partial to full sun.

  • Full Sun
  • Partial Shade

Water Requirements

Requires regular watering during dry periods.

  • Regular
  • Drought tolerant once established

Planting and Establishing

Establishment Guidance

Plant Myrsine australisin a hole twice the width of the root ball.

Proper establishment is key to long-term success. Ensure the planting hole is twice as wide as the root ball and backfill with a mix of native soil and organic compost. Initial watering should be thorough, followed by regular monitoring during the first two growing seasons to ensure the plant becomes well-anchored and resilient to local climate fluctuations.

Ecological Role

Biodiversity and Ecosystem Impact

Provides habitat and food for native fauna.

This species plays a vital role in its local ecosystem, providing essential habitat and food sources for native biodiversity. Its presence supports complex ecological interactions, contributing to the overall health and stability of the environment. By planting this native, you help maintain the intricate web of life that defines New Zealand's unique natural heritage.

Uses & Significance

Garden Uses

Ideal for rock gardens and native borders.

  • Rock gardens
  • Ground cover

Ecological Value

Supports local pollinators.

  • Birds
  • Insects

The versatility of this plant makes it a valuable addition to many New Zealand gardens. Beyond its aesthetic appeal, it offers practical benefits such as soil stabilization and shelter for smaller plants. Its historical and modern uses highlight its enduring importance in both traditional practices and contemporary landscape design, making it a thoughtful choice for any restoration or gardening project.

Landscaping Uses

Adds texture and form to modern landscapes.

In a landscape setting, this plant provides excellent structure and year-round interest. Its unique form and foliage can be used to create focal points or as a cohesive element in a larger native planting scheme. It pairs well with other New Zealand natives, allowing for the creation of diverse and resilient garden environments that reflect the natural beauty of Aotearoa.

Seasonal Care Calendar

Spring

Mulch and apply balanced fertilizer.

  • Fertilize
  • Mulch

Summer

Water deeply during dry spells.

  • Water
  • Check for pests

Autumn

Tidy up any dead foliage.

  • Prune lightly
  • Plant new specimens

Winter

Protect from heavy frosts if necessary.

  • Frost protection

When to Prune and How Much

Minimal pruning required to maintain shape.

  • Remove dead branches

Always use clean, sharp tools.

Regular maintenance through careful pruning ensures the plant remains healthy and maintains its desired shape. Focus on removing dead or diseased wood to promote better air circulation and prevent the spread of pathogens. Proper pruning techniques help the plant direct its energy toward new growth, resulting in a more robust and aesthetically pleasing specimen in your garden.

How to Grow Red Māpou

Cultivating Myrsine australis(Myrsine australis) is a rewarding endeavor for any gardener interested in New Zealand's unique flora. This species can be propagated through several methods, each requiring specific conditions to ensure healthy growth and establishment. Successful propagation depends on mimicking the plant's natural environment and providing consistent care during the early stages of development.

From Seed

Propagation from seed is often the most effective way to produce a large number of Myrsine Australis plants. Seeds should be collected when they are fully mature. Freshly collected seeds generally have higher germination rates than those that have been stored for long periods.

Sow fresh seeds in a seed-raising mix.

  1. Collect seeds
  2. Sow in trays

Keep moist until germination.

From Cuttings

For those wishing to replicate specific characteristics of a parent plant, vegetative propagation via cuttings is the preferred method. This technique ensures that the new plants are genetically identical to the source. Semi-hardwood cuttings taken during the appropriate season usually yield the best results for this species.

Take semi-hardwood cuttings in late summer.

  1. Take cuttings
  2. Use rooting hormone

Additional Methods

Depending on the growth habit of Myrsine australis, other methods such as division or layering might also be viable options. Division is particularly suitable for plants that form dense clumps or have spreading root systems, while layering can be used for species with trailing or flexible stems.

Division can be done in early spring.

  1. Divide clumps
  2. Replant immediately

Pests & Diseases

Generally resistant to major pests.

While generally resilient, maintaining optimal growing conditions is the best defense against pests and diseases. Regular monitoring allows for early detection of any issues, which can often be managed through cultural practices or organic interventions. Ensuring good air circulation and appropriate watering will significantly reduce the plant's susceptibility to common environmental stresses and pathogens.

Cultural Significance

Myrsine australis, commonly known as Māpou or Red Mātipo, holds significant cultural importance, particularly within Māori tradition in New Zealand. It is regarded as a rākau tapu(sacred tree) and has been utilized in various ceremonial, medicinal, and practical ways.Ceremonial Use:Māpou A staff fashioned from Māpou could also serve as a badge of office for a tohunga.Ritualistic Role in Agriculture:Māpou This pole acted as amauri, a physical representation of Rongo, the guardian of agriculture. The tree was also known as the 'loin cloth of Whānui', the Māori name for the star Vega, which is associated with the origin of kūmara.Māpou MāpouPractical Uses:Māpou Europeans also used the timber for cabinet making.Symbol of Resilience:The plant is recognized for its resilience and adaptability, thriving in various environments and even coping with browsing from introduced mammals due to its unpalatable leaves. This resilience connects it deeply to Māori heritage and the natural environment.Ecological Value:Its berries are a crucial food source for native birds, aiding in seed dispersal and forest regeneration, further integrating it into the natural landscape and its cultural appreciation.

  • Traditional medicine
  • Crafts

Bonus Tip

Excellent for low-maintenance gardens.

For an extra boost, consider applying a thin layer of high-quality organic mulch around the base of the plant. This helps retain soil moisture, suppresses weeds, and gradually improves soil structure as it breaks down. This simple step can make a significant difference in the plant's overall vigor and resilience, especially during periods of extreme weather.

Plant Conservation

Conservation Status

Māpou This status has been consistent in assessments from 2004, 2009, 2012, and 2017. The species is endemic to New Zealand and is found throughout the mainland and offshore islands.