
Beilschmiedia tawa
Beilschmiedia tawa
Safety & Hazards
None known
Cultivation Details
Beilschmiedia tawa occurs naturally over a wide climatic range in New Zealand, but is patently sensitive to exposure, drought, snow fall, and severe frost. Mature plants can withstand short-lived temperatures down to about . 9°C, but their young growth is severely to fatally damaged by out-of-season frosts[1]. Seedlings are particularly susceptible to damage by frost, wind, drought, and sun, and do not establish readily in large canopy gaps[1]. Plants tolerate a very wide range of soils but do not thrive under poor drainage, nor on dry, rocky soils[1]. Trees, even when fairly old, can be coppiced[1]. Under moist conditions the fast growing taproot penetrates litter and humus layers and quickly reaches the mineral soil; such seedlings often survive for a long period under the dense shade of high forest.The plant can develop a large root system under these conditions, even though the shoots may die back several times. The root stock may thus become a perennating organ, assisting survival of the plant, and enabling it to produce further shoots when light becomes more favourable[1]. Under a dense canopy seedlings may persist for many years with little or no gain in height; in one trial plot under such conditions small seedlings which survived for 17 years gained only 5- 10cm in height[1]. In small canopy gaps annual height growth of seedlings averages approx. 15cm but coppice shoots from damaged or cut stems in the same situations may grow up to 50cm in 1 year[1]. The largest trees probably have a life span of some 400 years; but as the species is more susceptible to heart-rot, and large diameters are not common, the average life span is likely to be 200 - 300 years for trees that have not been suppressed for long periods when small[1].
Propagation
Seed - best sown as soon as it is ripe when almost 100% will germinate. Viability deteriorates rapidly as the seed dried[1]. Layering, even of quite old branches, is fairly easy[1].. Cite as: Temperate Plants Database, Ken Fern. temperate.theferns.info. 2026-02-20. <temperate.theferns.info/plant/Beilschmiedia+tawa>
Pollinators
Wind, Insects
References
- [1]Beilschmiedia tawa (A. Cunn.) Benth. et Hook. F. ex Kirk (Lauraceae) Tawa — Barbara Knowles & A.E. Beveridge ↩︎An in-depth treatment of the plant, its ecology and uses.
- [2]Tropical Timbers of the World. Ag. Handbook No. 607. — Chudnoff. Martin. · USDA Forest Service. Wisconsin. · 1984 ↩︎Terse details on the properties of the wood of almost 400 species of trees from the Tropics.
- [3]Flora of New Zealand. — Allan. H. H. · Government Printer, Wellington. · 1961 · http://floraseries.landcareresearch.co.nz/pages/Book.aspx?fileName=Flora%201.xml · ISBN - ↩︎The standard work, in 5 volumes though only the first two are of interest to the plant project. Very good on habitats. There is also an on-line version.
- [4]Dictionary of Economic Plants. — Uphof. J. C. Th. · Weinheim · 1959 · ISBN - ↩︎An excellent and very comprehensive guide but it only gives very short descriptions of the uses without any details of how to utilize the plants. Not for the casual reader.
- [5]A Dictionary of Plants Used by Man. — Usher. G. · Constable · 1974 · ISBN 0094579202 ↩︎Forget the sexist title, this is one of the best books on the subject. Lists a very extensive range of useful plants from around the world with very brief details of the uses. Not for the casual reader.
- [6]Plants of New Zealand. — Laing. and Blackwell. · Whitcombe and Tombs Ltd · 1907 · ISBN - ↩︎An old flora of New Zealand in a readable style. Some details of plant uses.
- [7]Economic Native Plants of New Zealand. — Brooker. S. G., Cambie. R. C. and Cooper. R. C. · Oxford University Press · 1991 · ISBN 0-19-558229-2 ↩︎An interesting and readable book on the useful plants of New Zealand.
- [8]People Plants Database — https://maoriplantuse.landcareresearch.co.nz/WebForms/default.aspx ↩︎An online database of New Zealand plants and their Maori names and uses. An excellent information source.
- [9]Native Edible Plants of New Zealand. — Crowe. A. · Hodder and Stoughton · 1990 · ISBN 0-340-508302 ↩︎A very well written and illustrated book based on the authors own experiments with living on a native diet.