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Plant ofthe Month
Chonemorpha fragrans (Moon) Alston
Chonemorpha fragrans (Frangipani Vine) is a native climber with sweetly-scented flowers and large oval leaves. While the showy, creamy-white flowers bear some resemblance to the Frangipani (Plumeria obtusa), this species is not a tree but a woody climber that can grow up to 20 m! It grows well with support such as on pergolas and adds a luxurious, tropical feel to gardens.
Animal ofthe Month
Iomys horsfieldii (Waterhouse, 1838)
The endangered Horsfield’s Flying Squirrel is one of three species of flying squirrel recorded from Singapore. A nocturnal animal, it emerges from its tree hole to forage mainly on fruits during the night, returning to its tree hole to sleep in during the day. The squirrel glides amongst trees on its gliding membrane which stretches across its four limbs, and its tail which is flattened.)
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Sacrificing seeds for pollination
Did you know that the Monkey Apple (Glochidion littorale) is pollinated by a seed parasite? Native to Singapore, the Monkey Apple attracts its pollinator, the Leaf-flower Moth (Epicephala species) by offering the moth caterpillars its seeds as food! The moth pollinates and deposits eggs in the plant’s ovary. After the fruit develops, the hatched young then feed on some of the seeds. This strategy of sacrificing some seeds for the greater good of the species is one of many plant-insect interactions in our tropical ecosystem.
Monkey Apple.ashx)
Delicious Turmeric Flower
The Turmeric or Kunyit (Curcuma longa) is popular for its edible rhizomes, widely used in cuisines, traditional medicine and cosmetic products. Did you know that the inflorescence of the Turmeric is also edible? The spike-like inflorescence grows up from between the leaf sheaths while the true flowers are small and yellow, borne inside the bracts of the inflorescence. Lower bracts are pale green with whitish streaks while upper bracts are white and can sometimes have pink tips. These bracts bear a mint-like, spicy fragrance and have a crunchy texture. They can be eaten raw as ulam, dipped in sambal belacan, or cooked in stews. Delicious!
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Furled fiddleheads
Did you know that the young fronds of Stenochlaena palustris or Akar Paku, are edible? While most ferns are inedible to humans, the Akar Paku is an exception. In Southeast Asia, the furled fronds also known as fiddleheads can be fried with sambal belacan and eaten as a vegetable. The fern is traditionally consumed as 'ulam', or salad, in Bornean cuisine. Its taste has been compared to that of asparagus and research has shown that it is a promising source of antioxidants.
Furled fiddleheads
In a nutshell - Peanuts
When you snack on roasted peanuts or rich creamy peanut butter, have you ever wondered why the peanut grows underground even though its flowers bloom above ground? The peanut is a dehiscent legume (dry fruit) from the plant, Arachis hypogaea whose flowers and legumes initially form aboveground following pollination. As the fruit develops, the flower stalk elongates due to rapid proliferation of cells under the ovary and curves downward, forcing the young fruit into the ground. The peanut pod matures underground and typically contains two seeds. High in protein and other essential nutrients, the seed leaves (cotyledons) are regularly used in Asian cuisine such as gado-gado and peanut sauce for Satay! The peanut can also be used to make other useful products such as peanut soap and biodiesel fuel.
In a nutshell - Peanuts
Breathing in the mud
Did you know the conical structures sticking out of the soil at the base of some plants help plants breathe? These specialised root structures are known as pneumatophores and are usually seen in mangrove species. Sonneratia caseolaris (Crabapple Mangrove), a mangrove species, develops pneumatophores that protrude out of the soil allowing root respiration in the anaerobic muddy soil. When growing on well-drained soil, the plant may not produce as many pneumatophores as there is little need for assistance in aboveground respiration. In some parts of Southeast Asia, the pneumatophores are harvested and used as corks or fishing-floats when dried.
Sonneratia caseolaris
Sunda Slow Loris
Video of wild Sunda Slow Loris in Singapore, captured on Night Vision Equipment.
Flora & Fauna News
View AllFlora of Singapore – A revised checklist and bibliography
For the first time in more than a decade, a comprehensive catalogue of the wild-growing plants in Singapore was published as part of the Flora of Singapore project. This publication was produced by a collective of researchers from around the world co-ordinated by NParks. The work highlighted the number of native, naturalised and casual plant species in Singapore and helped to clarify and opened discussions on taxonomic and nomenclatural issues, thereby shaping the future of local conservation efforts.
19 Sep, 2022Rediscovery of Mucuna gigantea subsp. gigantea in Singapore
Recent floristic surveys around Singapore have yielded interesting finds for the genus, Mucuna, including rediscoveries of previously thought to be extinct species like the Mucuna gigantea subsp. gigantea – A small population of this critically endangered vine, was rediscovered near the coast of the remote island, Pulau Brani, Singapore. This genus from the legume family is predominantly made up of lianas and known for the irritant hairs present on the surface of fruit pods. Mucuna gigantea subsp. gigantea was first described in the late 1900s and thought to be extinct due to habitat disturbances by land reclamation, until its rediscovery in 2018 . This has given researchers opportunity to thoroughly describe the species’ detailed characteristics, and allow collection of plant materials for propagation, with the aim of one day reintroducing the species into Singapore’s landscape.
01 Aug, 2022The First of its Kind in Singapore
On the northeastern coast of Singapore, a lush, 27 m tall tree in Changi has a unique identity. Using a combination of techniques – population genetics and morphological evidence, researchers from Singapore, UK and the US discovered that this tree is the first recorded natural hybrid between two critically endangered local species - Sindora coriacea and Sindora echinocalyx. It is also the first instance of hybridisation in the genus Sindora. Named Sindora × changiensis, after the location it was discovered to be growing, carbon dating estimated this tree to be at least 226 years old! Conservation efforts are ongoing to propagate this hybrid and saplings from this tree have been planted islandwide in Singapore.
05 Jul, 2022