Dracophyllum Townsonii (Inaka) hero image

Inaka

Dracophyllum townsonii

Not Threatened

Dracophyllum Townsonii is a shrub or small tree endemic to the northern part of New Zealand's South Island, commonly known as inaka. This multi-stemmed shrub typically grows between 0.2 and 3.0 meters tall. native shrubs

Dracophyllum Townsonii (Inaka) showing its distinctive leaves
Image credit: Inaka (Dracophyllum townsonii) - Photo by Wikipedia contributors, via Wikipedia

Plant Description

Its older branches have grey, finely fissured bark, while younger stems are yellowish to reddish-brown. Dracophyllum Townsonii exhibits dimorphic leaves, meaning their form changes between juvenile and adult stages. Juvenile leaves are spirally arranged, spreading, and light green to glaucous, measuring 60-125 mm long by 5-7 mm wide, with minutely serrulate margins. Adult leaves are spreading, glaucous, 12-52 mm long by 1-3.5 mm wide, with prominently striated and scabrid surfaces, and serrulate margins. The plant produces white flowers in short (6-8mm) clusters of one to four, located at the top of short side branches, often concealed by the leaves.

Quick Facts

Dracophyllum Townsonii quick facts
Scientific Name Dracophyllum Townsonii
Height 0.2-3m
Spread 0.5-1.5m
Water Needs Moderate
Light Full sun
Frost Tolerance Hardy
Salt Tolerance Moderate
Growth Rate Slow
Lifespan Long

Climate Best Suited to

Dracophyllum Townsonii is found in coastal to lowland regions, primarily on coal measures, tertiary sandstones, and conglomerates, though rarely on limestone. It thrives in shrubland environments, particularly in areas that have historically experienced frequent fires. It also inhabits cliffs and steep slopes near the coast.

Regional Suitability

City suitability for Dracophyllum Townsonii
City Climate Suitability
Whangārei Poor
Auckland Poor
Hamilton Poor
Tauranga Poor
Rotorua Poor
Gisborne Poor
New Plymouth Poor
Napier Poor
Whanganui Poor
Palmerston North Poor
Wellington Moderate
Nelson Ideal
Christchurch Ideal
Dunedin Ideal
Invercargill Ideal

Plant Habitat

Dracophyllum Townsonii is found in coastal to lowland regions, primarily on coal measures, tertiary sandstones, and conglomerates, though rarely on limestone. It thrives in shrubland environments, particularly in areas that have historically experienced frequent fires. It also inhabits cliffs and steep slopes near the coast.

Plant Conservation

According to a 2017 assessment using the New Zealand Threat Classification System, Dracophyllum Townsonii is classified as "Not Threatened." Its estimated habitat area is less than 10 square kilometers.

Growing Requirements

Soil Requirements

Specific information regarding the cultivation or growing requirements of Dracophyllum Townsonii is not available.

  • No specific information available

Light Requirements

This plant prefers sunny sites.

  • Full sun

Water Requirements

Dracophyllum Townsonii has moderate water needs.

  • Moderate water needs

Planting Guide

Dracophyllum Townsonii requires specialized alpine growing conditions similar to other high-altitude Dracophyllum species. Plant in extremely well-draining, mineral-rich soil with excellent air circulation and protection from strong winds. This species thrives in cool, moist conditions with good drainage, making it suitable for rock gardens or alpine settings. Propagation is typically challenging and best achieved through fresh seed collection and specialized germination techniques under controlled conditions.

Ecological Role

The flowers of Dracophyllum Townsonii are a food source for native insects, providing crucial nectar resources in high-altitude environments where flowering plants are scarce. As a component of alpine shrubland ecosystems, this species contributes to habitat structure and biodiversity, supporting specialized pollinators and other fauna adapted to harsh montane conditions. Its presence helps maintain the delicate ecological balance of New Zealand's alpine regions.

Uses & Significance

Garden Uses

Dracophyllum Townsonii is not commercially available and should not be removed from its natural habitat due to its conservation status and specialized growing requirements. This rare alpine species is best appreciated in its natural mountain environments rather than cultivation. For gardeners interested in similar plants, other more common Dracophyllum species or alpine natives may provide comparable ornamental value while preserving wild populations of this unique shrub.

  • Not commercially available
  • Best preserved in natural habitat
  • Alternative species recommended for cultivation

The genus name "Dracophyllum" means "dragon-leaf", referring to the leaves' resemblance to those of the dragon tree.

  • Genus name means "dragon-leaf"

Ecological Value

The flowers of Dracophyllum Townsonii are a food source for native insects.

  • Food source for native insects

Landscaping Uses

Due to its specific growing requirements and conservation status, Dracophyllum Townsonii is not recommended for general landscaping purposes. This rare alpine species requires specialized conditions that are difficult to replicate in typical garden settings.

Seasonal Care Calendar

Spring

In spring, new growth may appear.

  • Monitor for new growth

Summer

During summer, ensure the plant has adequate moisture.

  • Water regularly

Autumn

In autumn, the plant will be preparing for winter.

  • Minimal care required

Winter

In winter, the plant is dormant.

  • Minimal care required

When to Prune and How Much

Pruning is not generally required for this plant due to its naturally compact growth habit and slow growth rate. In cultivation, minimal intervention maintains the plant's characteristic form while preserving its natural alpine architecture.

  • No pruning required
  • Natural compact form preferred

How to Grow Inaka

From Seed

Dracophyllum Townsonii produces small, capsular fruits containing numerous tiny seeds that require specialized treatment for successful germination. Seed collection should occur when the small woody capsules begin to split and release seeds, typically in late autumn to early winter. The seeds are extremely fine and dust-like, requiring careful handling to avoid loss during processing. Fresh seed provides the best germination rates, though viability can be maintained for several months if stored in cool, dry conditions in sealed containers. Prepare a specialized seed-raising mix suited to alpine and shrubland species, combining equal parts sterilized peat moss, fine perlite, and sand to create a free-draining yet moisture-retentive medium. Due to the tiny size of seeds, surface sowing is recommended - scatter seeds evenly across the soil surface and cover very lightly with a thin layer of fine vermiculite or sieved compost. Maintain consistent moisture using a fine misting spray, avoiding heavy watering that could wash away the small seeds. Place containers in a cool, bright location with temperatures maintained between 12-18°C, as cooler conditions often promote better germination in alpine species. Germination can be slow and erratic, often taking 2-6 months with some seeds potentially remaining dormant for extended periods. Seedlings are initially extremely small and grow very slowly, requiring careful attention to moisture and protection from strong light for the first year.

From Cuttings

Vegetative propagation of Dracophyllum Townsonii through cuttings requires careful technique due to the species' specialized growing requirements and somewhat challenging rooting characteristics. Take cuttings during late summer to early autumn when the current season's growth has begun to harden but retains some flexibility. Select short, 6-10cm sections from healthy side shoots, avoiding the main growing tips which tend to be too soft and the oldest wood which may be difficult to root. The narrow, needle-like leaves should be handled carefully to avoid damage - remove leaves from the bottom third of the cutting while leaving the upper foliage intact. Make clean cuts just below a node using sharp, sterilized equipment to minimize the risk of infection. Wound the base of the cutting lightly by making shallow scrapes along the bottom 1-2cm to encourage callus formation and root development. Apply a rooting hormone containing IBA at 2000-3000ppm concentration, though some success may be achieved without hormone treatment. Insert cuttings into a very well-drained propagation mix of coarse sand, perlite, and bark chips in a 2:1:1 ratio, ensuring excellent drainage as waterlogging is fatal to Dracophyllum species. Provide high humidity using a propagation tent while ensuring good air circulation to prevent fungal issues. Maintain cool temperatures between 15-20°C, as excessive heat can cause cutting failure. Rooting is typically slow, taking 10-16 weeks, and success rates may be variable. Once rooted, acclimatize gradually to outdoor conditions over several months.

Pests & Diseases

Dracophyllum Townsonii is naturally resistant to most pests and diseases due to its specialized alpine habitat and tough, needle-like foliage. The harsh mountain environment where it naturally occurs provides protection from many common garden pests and pathogens. In cultivation, the main concern would be root rot from poor drainage, as alpine species require excellent water management to prevent fungal problems.

Cultural Significance

Dracophyllum Townsonii typifies hardy high-country shrubs. While species-specific customary uses are not well documented, the genus is integral to alpine shrublands valued by iwi and local communities, and is part of modern restoration and stewardship.

  • Integral to alpine shrubland communities
  • Supports biodiversity and land stability
  • No widely recorded species-specific uses

Bonus Tip

The name "townsonii" refers to the plant's discoverer, William Townson, who collected botanical specimens in New Zealand during the early period of scientific exploration. This species represents one of many plants named after early collectors who contributed to our understanding of New Zealand's unique flora. The scientific naming tradition honors these pioneering botanists who often faced challenging conditions to document new species.