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GENERAL
Origin
:
sub-tropical
Vigour
:
normal growth
rate
Humidity
:
semi-arid, very
humid, very
humid
Propagation :
sowing and
pricking out,
cuttings
Maintenance :
moderate
CONDITIONS
Urban climate :
resistant
Dessication :
vulnerable
Stagnant water :
vulnerable
Irrigation
:
high, medium
Salinity/ppm :
moderate (1500
ppm)
Hardiness
:
-3°C
SHAPE
Type
:
tree, shrub
Height
:
6 m-10 m
Spread
:
6 m-10 m
Foliage
:
evergreen
FLOWER
Colour
:
purple
Size
:
12 cm
Period
:
October -
December
Smell
:
scented, flower
FRUIT
Type of fruit :
pod
Fruit size
:
25 cm
The Butterfly Tree, or khof al gamal in Arabic, is native to southeast Asia and thrives well in hot,
subtropical and tropical climates. It is one of the most desirable of small trees with a fast growth,
reaching a maximum height of 6 to 10 metres, and a similar width. There are many rather isolated
occurrences of the tree in Arriyadh, but it will really look its best only in a protected environ-
ment with shelter, high relative humidity and frequent irrigation. Foliage remains on the tree in
mild winters, to be shed when the extraordinary flowers appear. Cold winters may induce a brief
period of dormancy when the twigs become bare. Inflorescences resemble orchids in colours
from pink to magenta. They measure some 12 cm across, attract bees and emit a light fragrance.
Its fruits are brown pods 30 cm in length, filled with spherical seeds. These easily germinate in
sandy soil. The light-green leaves are bi-lobed, like a camel’s foot. They sprout soon after flowe-
ring begins. Growth habit is an open canopy with arched branches, and Butterfly Trees are often
multi-stemmed or grow as a shrub. The plants should not be exposed to wind. Pruning in winter
is possible to achieve the desired shape and it is recommended for young plants in particular. Fre-
quent irrigation, sufficient nutrients, good drainage and full sun will ensure a good appearance.
It will survive drought, but becomes stunted and will not flower if humidity is too low. Bauhinias
are ideal trees in urban areas and pedestrian precincts even in containers.
66
Bauhinia purpurea,
Caesalpiniaceae
Butterfly Tree,
khof al gamal