Back
Dipterocarpus condorensis subsp. penangianus (Foxw.) P.S.Ashton & Luu
| Family Name: | Dipterocarpaceae |
| Synonyms: | Dipterocarpus penangianus Foxw., Dipterocarpus caudatus subsp. penangianus (Foxw.) P.S.Ashton |
Name
Classifications and Characteristics
| Plant Division | Angiosperms (Flowering Seed Plants) |
|---|---|
| Plant Growth Form | Tree |
| Mode of Nutrition | Autotrophic |
Biogeography
| Native Distribution | West Malesia |
|---|---|
| Native Habitat | Terrestrial |
| Preferred Climate Zone | Tropical |
| Local Conservation Status | Native to Singapore (Endangered (EN)) |
Description and Ethnobotany
| Trunk | It is a large tree with greyish yellow bark. |
|---|---|
| Foliage | Leaves are green and elliptical (about 7 – 13 cm long, 3.5 – 5 cm wide). Petiole is about 1.5 – 2.5 cm long and slightly bent near the leaf blade. Stipule is obtuse and leaves become dull grey brown when drying. |
| Flowers | Flower is large and cream coloured with pink streaks. |
| Fruit | Fruit has 2 long wings (12 – 15 cm long) and 3 short wings (0.4 – 0.8 cm long). Nut is top-shaped, about 20 mm in diameter, with rough or bumpy surface. Calyx tube is valvate. |
| Habitat | It is found on coastal hills. |
| Etymology | Greek di, two; Greek pteron, wing; Greek karpos, fruit, referring to the two-winged fruit; caudatus means tailed and penangianus refers to Penang lsland in Malaysia. |
| Ethnobotanical Uses | Timber & Products: The genus Dipterocarpus produces a moderately hard to hard timber that is known commercially as keruing. The sapwood is highly susceptible to fungal and termite attack but absorbs preservatives readily. The wood, collectively known as keruing for the whole genus, is used for general purpose in building construction. |
Fauna, Pollination and Dispersal
| Seed or Spore Dispersal | Abiotic |
|---|
Plant Care and Propagation
| Light Preference | Full Sun |
|---|---|
| Water Preference | Moderate Water |
| Plant Growth Rate | Moderate |
Foliar
| Mature Foliage Colour(s) | Green |
|---|---|
| Foliar Type | Simple / Unifoliate |
| Foliar Attachment to Stem | Petiolate |
Floral (Angiosperm)
| Flower Colour(s) | Cream / Off-White, Pink |
|---|
Fruit, Seed and Spore
| Mature Fruit Colour(s) | Brown |
|---|---|
| Mature Seed Colour(s) | Brown |
Image Repository
Others
| Master ID | 29647 |
|---|---|
| Species ID | 3956 |
| Flora Disclaimer | The information in this website has been compiled from reliable sources, such as reference works on medicinal plants. It is not a substitute for medical advice or treatment and NParks does not purport to provide any medical advice. Readers should always consult his/her physician before using or consuming a plant for medicinal purposes. |
