Large-leaved Toropapa

Botanical name: Alseuosmia macrophylla
Common name(s): Toropapa, Karapapa

Plant facts:
A highly fragrant and distinctive New Zealand native forest shrub valued for its richly scented crimson flowers, glossy variable foliage and attractive red berries. This elegant understory species is endemic to the far northern North Island and is well suited to sheltered native gardens where its perfume and unusual foliage can be appreciated up close.

Natural habitat:
Occurs naturally in lowland and hill country forest understories, shaded gullies and moist forest margins in warm northern forests.

Growing environment:
Shade, Moist soil, Shelter & Humidity tolerant.
Requires cool moist root conditions, rich free-draining soil and protection from direct sun, wind and frost.

Endemic distribution:
Endemic to New Zealand.
Found naturally in the North Island from Te Paki south to the northern margins of Auckland.

Height:
Approximately 1–2 m tall

Width:
Approximately 1–1.5 m wide

Growth habit:
A slender much-branched evergreen shrub with ascending reddish-brown branchlets and an open graceful habit.

Leaves:
Leaves are highly variable in shape and size, ranging from broad elliptic and obovate to narrow lanceolate forms. Margins may be smooth, crenate or toothed. Foliage is glossy, leathery and dark green.

Flowers:
Flowers are long tubular and strongly fragrant with flared crimson corolla tubes and finely fringed lobes. Usually borne singly or in small clusters.

Flower colours:
Crimson, Cream, White

Flowering:
Spring to early summer

Fruiting:
Summer to autumn

Fruit:
Produces small elongated crimson berries that are sweet and edible.

Ecology:
An important component of northern forest understories where it provides nectar for insects and fruit for birds. Its fragrant flowers are adapted for specialised pollination within shaded forest habitats.

Uses:

• Native shade gardens
• Fragrant planting schemes
• Forest understory restoration
• Specimen shrub planting
• Wildlife gardens
• Container growing in sheltered courtyards

Appearance:

Growth habit:
Forms a lightly branched elegant shrub with softly ascending stems and lush foliage.

Leaves:
Leaves are leathery and glossy with remarkable variability, from broad rounded forms to narrow lance-shaped leaves, often with toothed or lobed margins.

Flowers:
Flowers are strikingly fragrant, tubular and crimson with delicately fringed lobes and flared tips.

Fruit:
Small glossy crimson berries develop after flowering and are edible with a sweet flavour.

How to grow:
Best planted in rich humus-filled soil in semi-shade or filtered forest light. Requires reliable moisture and cool root conditions, particularly through summer. Sensitive to prolonged drought, direct hot sun and heavy frost. Performs well in sheltered woodland gardens and can also be grown successfully in large containers. Propagation is easiest from cuttings, while seed is difficult and often slow to germinate. Plants may be somewhat temperamental during establishment and benefit from stable cool humid conditions.

Similar species:
Closely related to other Alseuosmia species including Alseuosmia quercifolia, but distinguished by its generally larger leathery leaves, crimson tubular flowers and northern distribution.

Garden value:
A beautiful and highly fragrant native shrub ideal for intimate shaded gardens where its perfume and elegant foliage can be appreciated. Particularly effective beneath tree canopies, alongside ferns and in lush subtropical native plantings.