Upuna borneensis Symington
Upun
Other names
| International recognized trade name (ATIBT) | ||
| English | Upun | |
| Other names | upun, upun batu, penyau (MY); balau penyau, cangal tanduk, penyau tanduk (ID) |
Origin
| States and Territories | Borneo; Brunei | |||
Botany
| Reich | Plantae | |||
| Tribe | Tracheophyta | |||
| Gymnosperm | Angiosperm | |||
| Class | Magnoliopsida | |||
| Order | Malvales | |||
| Family | Dipterocarpaceae | |||
| Genus | Upuna | |||
| Species | borneensis | |||
| Author citation | Symington | |||
| Scientific name | Upuna borneensis Symington | |||
Habitus
| Wood type | Hardwood | |||
| Growth habit | Baum | |||
Microscopic features
| Containers | zerstreutporig | |||
| Intkey | https://www.delta-intkey.com/wood/de/www/dipupbor.htm | |||
Macroscopic features
| Wood odor | Kein ausgeprägter Geruch | |||
| Growth ring boundaries | indistinct or not recognizable | |||
| Heartwood | with color stripes | |||
| Strip in the heartwood | Ohne Farbstreifen | |||
| Color heartwood | braun/rot/grün | |||
Natural durability
(according to EN 350)
| Mushrooms field | DC | |||
Raw density oven-dried u =12%
(e.g. according to EN 350)
| Density, oven dry u =12%, lower limit | 0.85-1 | kg/m3 | ||
Appearances
Bark
, Bark , ©Dennis Wilson
Leaves
, Leaves , ©Dennis Wilson
, Leaves , ©Dennis Wilson
, Leaves , ©Dennis Wilson