to tree (to 20m), but in Singapore much shorter. Sometimes with buttress
or knee roots. Leaves spatula-shaped with oval ends (7-10cm). Flowers
clustered, tiny white petals that turn orange-brown. Fruit brown and
smooth without any texture. Propagule sharply angular (15-25cm long)
with a white collar when ready to drop off. Sometimes seen in our
mangroves. It is Vulnerable.
to short tree (2-3m). Short buttress and knee roots. Leaves oval,
shiny green stiff. Stipules pale yellow or greenish. Flowers small
in clusters, with 8-lobed calyx. Hypocotyl thin, sepals bend towards
stalk. Commonly seen in our back mangroves.
(to 15m). Buttress and knee roots. Leaves oval, shiny green and stiff.
Stipules often reddish. Flowers large, one per leaf angle.12-14 lobed
calyx that is bright red in the sun but may be yellowish in the shade.
Hypocotyl fat cigar-shaped with sepals clasping the hypocotyl (not
bent towards the stalk). Sometimes seen in our mangroves.
(to 33m). Short buttress and knee roots.Leaves oval (9-16cm long).
Flowers larger than B. cylindrica (about 2cm) in clusters of 2-3 flowers.
Calyx with 10 stout long lobes. Hypocotyl is cigar-shaped (1-9cm)
slightly curved. The calyx lobes are extended at right angles to the
hypocotyl. Rare. It is Critically Endangered.