Pseudopanax lessonii (DC.) K.Koch

Nomenclature

This species, commonly called houpara, has the scientific name Pseudopanax lessonii (DC.) K.Koch.

Growth Form

Houpara grows as a shrub or tree reaching up to 6 meters in height, with stout branches.

Leaf Arrangement and Structure

Its leaves are crowded toward the tips of branchlets, and are 3- to 5-foliolate.

Leaf Size Dimorphism

Juvenile houpara plants produce larger leaves than mature adult plants.

Petiole Dimensions

The leaf petioles measure between 5 and 15 cm long.

Endemism

This species is endemic to New Zealand.

Native Range and Habitat

Its natural native range is coastal forest and scrub, found on the Three Kings Islands and the North Island of New Zealand, extending as far south as Poverty Bay at 38°4′S.

Cultivation Prevalence

Houpara is popular as a cultivated plant in New Zealand gardens, but it is rare in cultivation outside of New Zealand.

Cultivation Requirements

It requires mild, moist growing conditions, without extreme temperature fluctuations in winter or summer.

Cultivars

Several cultivated cultivars of houpara have been developed, including 'Gold Splash', which has yellow variegated leaves, and 'Nigra', which has dark purple-brown foliage.