Hesperocyparis macrocarpa
Common name
macrocarpa
Synonyms
Cupressus macrocarpa (Hartw.) Bartel
Family
Cupressaceae
Flora category
Vascular – Exotic
Structural class
Trees & Shrubs - Gymnosperms
NVS code
The National Vegetation Survey (NVS) Databank is a physical archive and electronic databank containing records of over 94,000 vegetation survey plots - including data from over 19,000 permanent plots. NVS maintains a standard set of species code abbreviations that correspond to standard scientific plant names from the Ngä Tipu o Aotearoa - New Zealand Plants database.
HESMAC
Habitat
Terrestrial. regenerating bush and scrub near planted trees and hedgerows.
Features
Medium sized tree to about 36 metres. Has distinctive fluted trunk when mature, bark is thick, reddish brown beneath often becoming whitish on the surface. Adult foliage comprises many small dark green scales closely appressed to the branchlets, but not flattened. Juvenile foliage more needle like, and not appressed. Male cones up to about 3 mm long, yellow and knobbly arising on the tips of the branches. Female cone are also terminal, rosette-like at first, becoming a rounded brown cone with 8-14 scales when mature. Usually 10-20 small seeds per cone scale.
Similar taxa
The scales closely appressed on mature plants, but stems not becoming flattened. There are several Hesperocyparis and Cupressus species in cultivation in New Zealand but H. macrocarpa is by far the most common, and can be identified by the blunt leaves lacking resin glands, and the shining brown mature cones.
Flower colours
No flowers
Propagation technique
seed
Year naturalised
1904
Origin
Monterey Peninsula, California, N. America
Etymology
macrocarpa: Large fruit
Reason For Introduction
Forestry
Life Cycle Comments
Occasional and scattered cultivation escape in the vicinity of planted trees (Webb et al 1988).
Reproduction
Seed.
Seed
At least 150 seeds per mature female cone, estimated at least 10 000 cones per mature tree.
Dispersal
People, wind, gravity.
Tolerances
seedlings are moderately shade-tolerant but do best on sunny banks.
NZPCN Fact Sheet citation
Please cite as: Ogle, C. (Year at time of access): Hesperocyparis macrocarpa Fact Sheet (content continuously updated). New Zealand Plant Conservation Network. https://www.nzpcn.org.nz/flora/species/hesperocyparis-macrocarpa/ (Date website was queried)