Palm Valley
Palm Valley is home to the Palm Collection
of the Singapore Botanic Gardens with more than 115 genera
and over 220 species. They are arranged in a herring bone
pattern with islands representing the major plant group.
All six sub-families of palms - Arecoideae, Coryphoideae,
Calamoideae, Ceroxyloideae, Phytelephantoideae and Nypoideae
are represented in the collection.
Arecoideae are the "feather"
palms with leaves that are usually pinate. The stems are
either solitary or multiple and are usually smooth, ringed
and rarely with spines. There are 124 genera and over 1400
species in this sub-family. Some of the palms belonging
to Arecoideae found in Palm Valley include the Jelly palm
(Butia capitata), Sealing Wax palm (Cyrtostachys renda),
Fishtail palm (Caryota species), Betel-nut (Areca catechu),
Sugar palm (Arenga pinnata), Foxtail palm (Wodyetia bifurcata)
and the Black palm (Normanbya normanbyi).
Coryphoideae is represented by 39 genera
and about 400 species. With few exceptions, members of Coryphoideae
is characterised by their large fan-shaped leaves. Some
of these found in Palm Valley are the Talipot palm (Corypha
umbraculifera), Double Coconut (Lodoicea maldivica), Fiji
Fan palm (Pritchardia pacifica), Chinese Fan palm (Livistona
chinensis), and Petticoat palm (Washingtonia filifera).
Calamoideae has 22 genera and about
650 species and is mainly distributed in the eastern tropics.
The largest in this group is the Calamus, which are climbing
feather palms of the rainforest with slender stems which
are when young are covered in leaf sheaths and often very
prickly. Calamus and closely related genera are the rattans
of commerce. You can also find in this sub-family the Sago
Palm (Metroxylon sagu), Wanga palm (Pigafetta filaris),
and Salak (Salacca zalacca).
Ceroxyloideae is represented by
11 genera and 30 species. Members are mainly deciduous feather
palms, often very tall with solitary, smooth ringed trunks.
Some of them in our collection are the Majestic palm (Ravenea
rivularis), Good Luck palm (Chamaedorea elegans) and Bottle
palm (Hyophorbe lagenicaulis).