Iddy Ting
F6P
Louise Tam
F6A

‧Date: 22nd January, 2005
‧Place: Pui O Beach
‧Time: 10.00-11.30

temperature
fluctuates
between day
and night
water but little
fresh water
sunlight
‧beach surface
‧plenty of salt
‧strong

Compositae
the ground
adaptation to
shifting sand
Launaea sarmentosa
‧rosette, lying low on
‧stolons for
colonisation and
‧lactiferous

Gramineae
.reduce water loss
.protect against
herbivores
Spinifex littoreus
‧Pointed leaves
‧C4 photosynthesis
‧Unisexual

Pandanaceae
Pandanus tectorius
supportive roots
‧has prop roots
‧leaves spiny and
with thick cuticle
‧seed floats on water
.water dispersal spiny leaves
fruit
seed

Agavaceae
in their life
.store a lot of water
.for making fish net
and ropes
Agave angustifolia
‧set flower only once
‧succulent
‧have many fibres

Rutaceae
.protection
glands
Severinia buxifolia
‧thorny
‧leaves bearing oil
‧leaf apex notched

Rhamnaceae
.protection
Paliurus ramosissimus
‧stem thorny
‧leaf with 3 strong veins
‧common by seashore

Caesalpiniaceae
.protection
on outside, but,
when opened, looklike nests bearing
compound
pinnate
Caesalpinia bonduc
‧stems thorny
‧fruits bearing hooks
egg-like seeds
‧leaves bipinnately

Casuarinaceae
Australia
break
internodes jointed
into a ring of scales
.reduce water loss
Casuarina equisetifolia
‧introduced from
‧can act as wind
‧leafy branch
‧leaves are reduced

The End