Hong Kong Herbarium

A Photographic Guide to Common Urban Trees of Hong Kong

Introduction
2018 Third Revision (Revised Contents)

2018 Third Revision (Revised Contents)

頁 Page 樹種
Tree species
類別
Categories
內容/修訂內容 Content/Revised content
版次 Revision
2014 2015 2018 2014年版 2015年版 2018年版
14 14 14 南洋杉
Araucaria cunninghamii
樹形相
Tree
form
photo
 
14 14 14 南洋杉
Araucaria cunninghamii

Leaf

具二形,約0.7-1.7 x 0.25厘米
Dimorphous, about 0.7-1.7 x 0.25 cm
 
二形,幼態葉約0.7-1.7 x 0.25厘米
Dimorphous, juvenile leaves about
0.7-1.7 x 0.25 cm

成熟葉長0.6-1厘米
Adult leaves 0.6-1 cm long
15 15 15 南洋杉
Araucaria cunninghamii

Flower
 
15 15 15 南洋杉
Araucaria cunninghamii
果實
Fruit
    新增
16 16 16 異葉南洋杉
Araucaria heterophylla/
柱狀南洋杉
Araucaria columnaris
種名
Species
name
異葉南洋杉
Araucaria heterophylla
Norfolk Island Pine
  柱狀南洋杉
Araucaria columnaris
Cook Pine
16 16 16 異葉南洋杉
Araucaria heterophylla/
柱狀南洋杉
Araucaria columnaris
原產地
Place of
origin
澳洲諾福克島
Norfolk Island in Australia
  新喀里多尼亞
New Caledonia
16 16 16 異葉南洋杉
Araucaria heterophylla/
柱狀南洋杉
Araucaria columnaris
花期
Flower-
ing
5-6   2-3
16 16 16 異葉南洋杉
Araucaria heterophylla/
柱狀南洋杉
Araucaria columnaris
果期
Fruiting
6-8   3-5
16 16 16 異葉南洋杉
Araucaria heterophylla/
柱狀南洋杉
Araucaria columnaris
樹形相
Tree
form
photo

常綠大喬木,高可達30米
Large evergreen tree, up to 30m tall
 
常綠大喬木,高可達30-60米
Large evergreen tree, about 30-60m tall
16 16 16 異葉南洋杉
Araucaria heterophylla/
柱狀南洋杉
Araucaria columnaris
樹幹
Trunk

樹皮裂成薄片狀脫落
Bark split into flakes
 

樹皮橫向開裂,剝落
Bark with horizontal cracks, peeling off
16 16 16 異葉南洋杉
Araucaria heterophylla/
柱狀南洋杉
Araucaria columnaris

Leaf

具二形,長約0.6-1.2厘米
Dimorphous, about 0.6-1.2 cm long
 
二形,幼態葉可長達13毫米
Dimorphous, juvenile leaves up to 13 mm long

成熟葉長5-7毫米
Adult leaves 5-7 mm long
17 17 17 異葉南洋杉
Araucaria heterophylla/
柱狀南洋杉
Araucaria columnaris

Flower
 
17 17 17 異葉南洋杉
Araucaria heterophylla/
柱狀南洋杉
Araucaria columnaris
果實
Fruit
8-12 ×7-11厘米
8-12 × 7-11 cm
 
10-15 ×7-11厘米
10-15 × 7-11 cm
17 17 17 異葉南洋杉
Araucaria heterophylla/
柱狀南洋杉
Araucaria columnaris
辨認特徵
Features
for
Identifi-
cation

小枝平展或下垂,側枝成羽狀排列
Branchlets flat or drooping, lateralbranches usually pinnately arranged

葉柔軟而不刺手
Leaves soft, not spiny

葉具二形:(a)幼樹及側生小枝的葉排列疏鬆,針形向上彎曲
Leaves dimorphous: (a) leaves of youngplants and lateral branchlets in loosearrangement, acicular, bendingupwards

(b)老枝及花果枝上的葉排列較密,呈寬卵形或三角狀卵形
(b) leaves on old branches and cone bearing branchlets in  close arrangement, broadly ovate or triangular ovate
 

小枝平展
Branchlets growing in one plane

小枝平展
Branchlets growing in one plane

葉具二形:(a)幼樹及側生小枝的葉針狀,頂端內彎
Leaves dimorphous: (a) leaves ofyoung plants and lateral branchletsneedle-like, apex incurved

(b)老枝及花果枝上的葉呈三角形,頂端內彎
(b) leaves on old branches and conebearing branchlets triangular, apex incurved
17 17 17 異葉南洋杉
Araucaria heterophylla/
柱狀南洋杉
Araucaria columnaris
附注
Remarks
    新增
異葉南洋杉在香港偶爾栽培。
Araucaria heterophyllais occasionally planted in Hong Kong.
35 35 35 陰香
Cinnamomum burmannii
辨認特徵
Features
for
Identifi-
cation
有時見褐色蟲癭
Sometimes with brown galls
 
有時見植物病害
Sometimes with plant disease
 
 
 
 
 
86 86 86 破布葉
Microcos nervosa
樹形相
Tree
form
photo
 
156 156 154 檸檬桉
Corymbia citriodora/
Eucalyptus citriodora
種名
Species
name
Eucalyptus citriodora   Corymbia citriodora
156 156 154 檸檬桉
Corymbia citriodora/
Eucalyptus citriodora
異名
Synonym
    新增
Eucalyptus citriodora
156 156 154 檸檬桉
Corymbia citriodora/
Eucalyptus citriodora

Leaf
披針形或狹披針形,稍呈鐮狀,10-25 x 1-4厘米
Lanceolate or narrowly lanceolate, slightly falcate, 10-25 x 1-4 cm
  成熟葉披針形或狹披針形,稍呈鐮狀,10-15 x 1-4厘米
Mature leaveslanceolate or narrowly
lanceolate, slightly falcate, 10-15 x 1-4 cm
157 157 155 檸檬桉
Corymbia citriodora/
Eucalyptus citriodora
辨認特徵
Features
for
Identifi-
cation
Calyptra semiglobose, apex rounded and slightly acute; two-layered, outer layer slightly thick   Calyptra semiglobose, apex rounded and with a small point; two-layered, outer layer slightly thick
157 157 155 檸檬桉
Corymbia citriodora/
Eucalyptus citriodora
辨認特徵
Features
for
Identifi-
cation
蒴果壺形或壇形   蒴果壺形或
164 164 156 毛葉桉
Corymbia torelliana/
Eucalyptus torelliana
種名
Species name
Eucalyptus torelliana   Corymbia torelliana
164 164 156 毛葉桉
Corymbia torelliana/
Eucalyptus torelliana
異名
Synonym
    新增
Eucalyptus torelliana
164 164 156 毛葉桉
Corymbia torelliana/
Eucalyptus torelliana

Leaf
卵形,薄革質
Ovate and thinly leathery
  成熟葉卵形,薄革質
Mature leavesovate and thinly leathery
 
165 165 157 毛葉桉
Corymbia torelliana/
Eucalyptus torelliana
辨認特徵
Features
for
Identifi-
cation
蒴果球狀壇形,直徑1-1.3厘米,果緣收縮,果瓣3,內藏
Capsules globose, jar-shaped, 1-1.3cm in diameter, disk contracted,
valves 3, included
  蒴果球狀形,直徑1-1.3厘米,上部收縮,果瓣3,內藏
Capsules globose, jar-shaped,1-1.3 cm in diameter, upper partcontracted, valves 3, included
165 165 157 毛葉桉
Corymbia torelliana/
Eucalyptus torelliana
辨認特徵
Features
for
Identifi-
cation
葉片及葉柄被毛,葉片基部圓形
Leaves and petiole pubescent, leaf base round
  成熟葉片及葉柄被毛,葉片基部圓形
Leaves and petiole pubescent, leaf base of mature leaves round
154 154 158 赤桉
Eucalyptus camaldulensis
樹幹
Trunk
樹皮光滑,呈不規則片狀或長片狀脫落,灰白色而夾雜有灰色及棕褐色的斑塊,樹幹基部常有粗糙樹皮宿存
Bark smooth, peelingoff in irregular flakes orstrips; offwhite mixingwith grey and brownpatches; base of trunk
often with persistentrough bark
  樹皮光滑,呈不規則片狀或長片狀脫落,灰白色而夾雜有灰色及棕褐色的斑塊,樹幹或有粗糙樹皮宿存
Bark smooth, peeling offin irregular flakes or strips;offwhite mixing with grey andbrown patches; rough barkmaybe persistent on trunk
 
154 154 158 赤桉
Eucalyptus camaldulensis

Leaf
狹披針形至披針形
Narrowly lanceolate to lanceolate
  成熟葉狹披針形至披針形
Mature leavesnarrowly lanceolate to lanceolate
155 155 159 赤桉
Eucalyptus camaldulensis
辨認特徵
Features
for
Identifi-
cation
傘形花序腋生,花序梗圓形纖細;花蕾卵形,長約0.5-0.8厘米
 
帽狀體半球形,頂部收縮成一狹喙,萼管亦呈半球形
Calyptra semiglobose, apex contracted into a narrow beak, hypanthium also semiglobose
 
蒴果近球形,直徑0.5-0.6厘米,果緣凸起
  傘形花序腋生,花序梗圓柱形,纖細;花蕾卵形,長約0.5-0.8厘米
 
帽狀體半球形,頂部收縮,萼管亦呈半球形
Calyptra semiglobose,apex contracted, hypanthium also semiglobose
 
蒴果近球形,直徑0.5-0.6厘米,果緣窿起
155 155 159 赤桉
Eucalyptus camaldulensis
附注
Remarks
    新增
香港的赤桉有三個常見的亞種︰
There are three common subspecies of
Eucalyptus camaldulensis in Hong Kong:
1) Eucalyptus camaldulensis subsp.
camaldulensis
2) Eucalyptus camaldulensis subsp. obtusa (鈍蓋赤桉)
3) Eucalyptus camaldulensis subsp. minima
159 159 161 窿緣桉
Eucalyptus exserta

Leaf
狹披針形
Narrowly lanceolate
  成熟葉狹披針形
Mature leavesnarrowly lanceolate
159 159 161 窿緣桉
Eucalyptus exserta
辨認特徵
Features
for
Identifi-
cation
傘形花序腋生,花序梗圓形;花蕾長卵形,長0.8-1厘米   傘形花序腋生,花序梗圓柱形;花蕾長卵形,長0.8-1厘米
    162 巨桉
Eucalyptus grandis
種名
Species
name
    新增
巨桉
Eucalyptus grandis
  Flooded gum, Rose gum
    162 巨桉
Eucalyptus grandis
原產地
Place of
origin
    新增
澳洲
Australia
    162 巨桉
Eucalyptus grandis
花期
Flower-
ing
    新增
5-9
    162 巨桉
Eucalyptus grandis
果期
Fruiting
    新增
7-11
    162 巨桉
Eucalyptus grandis
樹形
Tree form
    新增

常綠大喬木,高可達55米
Large evergreen tree, up to 55 m tall
    162 巨桉
Eucalyptus grandis
樹幹
Trunk
    新增

樹皮光滑,呈帶粉狀的白色至灰青色至粉橙色;樹基有粗糙和片狀樹皮宿存
Bark smooth, powdery white to greenish grey to pinkorange; rough and flaky bark persistent at base
    162 巨桉
Eucalyptus grandis

Leaf
    新增

葉披針形,8-18 x 1.5-4厘米
Leaves lanceolate, 8-18 x 1.5-4 cm
    163 巨桉
Eucalyptus grandis

Flower
    新增


傘形花序腋生,花7-11
朵;花序梗扁平,花梗
不存在或長至0.5厘米;
花蕾卵形至梨形,0.6-
0.9 x 0.4-0.5厘米
Axillary umbels 7-11 flowered; peduncle
flattened, pedicels absent or to 0.5 cm long. Buds ovoid to pyriform, 0.6-0.9 x 0.4-0.5 cm

帽狀體圓錐形具喙;萼管倒圓錐形或鐘形,與帽狀體同長或稍長
Calyptra conical and beaked, hypanthium obconical or campanulate, as long or slightly longer than calyptra
    163 巨桉
Eucalyptus grandis

Fruit
    新增

蒴果梨形,蒴果中間位置略為收窄,0.4-1 x 0.5-0.8厘米;果緣凹陷,果瓣4-5,凸出而向內彎
Capsules pyriform, slightly contracted at the rim, 0.4-1 x 0.5-0.8 cm; disk descending, valves 4-5, exserted and incurved
161 161 165 大葉桉
Eucalyptus robusta

Leaf
革質,卵狀闊披針形
Leathery, ovate-broadly lanceolate
  成熟葉革質,卵狀闊披針形
Mature leavesleathery, ovate-broadly lanceolate
161 161 165 大葉桉
Eucalyptus robusta
辨認特徵
Features
for
Identifi-
cation
蒴果圓筒形或壼形,上半部略收縮,蒴口稍擴大,長寬均約1-1.5厘米,果緣薄,果瓣內藏
Capsules cylindrical or pot-shaped, slightly constricted in the upper part, slightly broadened at the opening, about 1-1.5 cm in both length and width; disk thin, valves included
 
葉片大,卵狀闊披針形,革質,8-18 x 3.5-7.5厘米,基部不對稱,側脈多而明顯
Leaves large, ovate-broadly lanceolate, 8-18 x 3.5-7.5 cm, leathery, base oblique, lateral veins numerous and obvious
  蒴果圓筒形或壼形,上半部略收縮,蒴口稍擴大,長約1-1.5厘米,果瓣內藏
Capsules cylindrical or pot-shaped, slightly constricted in the upper part, slightly broadened at the opening, about 1-1.5 cm in length; valves included
 
成熟葉葉片大,卵狀闊披針形,革質,8-17 x 3-7厘米,基部不對稱,側脈多而明顯
Mature leaves large, ovate-broadly lanceolate, leathery, 8-17 x 3-7 cm, base oblique, lateral veins numerous and obvious
162 162 166 細葉桉
Eucalyptus tereticornis
樹幹
Trunk
樹皮光滑,呈不規則片狀或長片狀脫落,灰白色而夾雜有灰色及棕褐色的斑塊,樹幹基部常有粗糙樹皮宿存
Bark smooth, peeling off inirregular flakes or strips, ,offwhite mixing with grey andbrown patches, base of trunk
often with persistent roughbark
  樹皮光滑,呈不規則片狀或長片狀脫落,灰白色而夾雜有灰色及棕褐色的斑塊,樹幹或有粗糙樹皮宿存
Bark smooth, peeling offin irregular flakes or strips,offwhite mixing with grey andbrown patches; rough barkmaybe persistent on trunk
162 162 166 細葉桉
Eucalyptus tereticornis

Leaf
葉狹披針形,稍彎曲
Leaves narrowly lanceolate, slightly curved
  成熟葉狹披針形,稍彎曲
Mature leavesnarrowly lanceolate, slightly curved
163 163 167 細葉桉
Eucalyptus tereticornis
辨認特徵
Features
for
Identifi-
cation
帽狀體圓錐形至長圓錐形,常比萼管長2-4倍
Calyptra conical to long conical, usually2-4 times longer than hypanthium
 
蒴果近球形至陀螺形,直徑0.6-0.8厘米,果緣凸出
  帽狀體圓錐形至長圓錐形,長為萼管的2-4
Calyptra conical to long conical, 2-4times the length of hypanthium
 
蒴果近球形至陀螺形,直徑0.6-0.8厘米,果緣窿出
166 166 168 尾葉桉
Eucalyptus urophylla
樹幹
Trunk
上部樹皮常光滑,呈灰白色
Bark on the upper part smooth and offwhite
  上部樹皮常光滑,呈淺棕
Bark on the upper part smooth and pale-brown
166 166 168 尾葉桉
Eucalyptus urophylla

Leaf
寬披針形
Broadly lanceolate
  成熟葉寬披針形
Mature leavesbroadly lanceolate
167 167 169 尾葉桉
Eucalyptus urophylla
辨認特徵
Features
for
Identifi-
cation
蒴果杯狀,果瓣內藏,與果緣近平,4-5裂,果徑0.6-0.8厘米
Capsules cup-shaped, valves included,subparallel to the disk, 4-5-lobed, fruit0.6-0.8 cm in diameter
  蒴果杯狀,果瓣4-5,內藏,與果緣近平,果徑0.6-0.8厘米
Capsules cup-shaped, valves 4-5,included, subparallel to the disk, fruit0.6-0.8 cm in diameter
269 269 271 蒲葵
Livistona chinensis

Flower
 
274   276 南洋杉
Araucaria cunninghamii/
異葉南洋杉
Araucaria heterophylla/
柱狀南洋杉
Araucaria columnaris
類似植物比較Comparison of Similar Plants
類似植物比較 Comparison of Similar Plants 
類似植物比較
Comparison
of Similar
Plants -
樹幹 Trunk,
葉 Leaf
2014年版


2018年版
    299 窿緣桉
Eucalyptus exserta/
大葉桉
Eucalyptus robusta
類似植物比較
Comparison
of Similar
Plants -
樹幹
Trunk
,
花 Flower,
果 Fruit
新增
    300
檸檬桉
Corymbia citriodora/
毛葉桉
Corymbia torelliana/
巨桉
Eucalyptus grandis
類似植物比較
Comparison
of Similar
Plants -
樹幹
Trunk
,
花 Flower,
果 Fruit
新增
    301 尾葉桉
Eucalyptus urophylla/
赤桉
Eucalyptus camaldulensis/
細葉桉
Eucalyptus tereticornis

 
類似植物比較
Comparison
of Similar
Plants -
樹幹
Trunk
,
花 Flower,
果 Fruit
新增
圖片索引-葉14 圖片索引-葉14 圖片索引-葉14 南洋杉
Araucaria cunninghamii
   
圖片索引-葉16 圖片索引-葉16 圖片索引-葉16 異葉南洋杉
Araucaria heterophylla/
柱狀南洋杉
Araucaria columnaris
 

異葉南洋杉
Araucaria heterophylla
 

柱狀南洋杉
Araucaria columnaris
    圖片索引-葉162 巨桉
Eucalyptus grandis
      新增
圖片索引-花14 圖片索引-花14 圖片索引-花14 南洋杉
Araucaria cunninghamii
   
圖片索引-花16 圖片索引-花16 圖片索引-花16 異葉南洋杉
Araucaria heterophylla/
柱狀南洋杉
Araucaria columnaris
 

異葉南洋杉
Araucaria heterophylla
 

柱狀南洋杉
Araucaria columnaris
圖片索引-花156 圖片索引-花156 圖片索引-花154 檸檬桉
Corymbia citriodora/
Eucalyptus citriodora
   
圖片索引-花160 圖片索引-花160 圖片索引-花164 大葉桉
Eucalyptus robusta
   
圖片索引-花162 圖片索引-花162 圖片索引-花166 細葉桉
Eucalyptus tereticornis
   
圖片索引-花164 圖片索引-花164 圖片索引-花156 毛葉桉
Corymbia torelliana/
Eucalyptus torelliana
   
    圖片索引-花162 巨桉
Eucalyptus grandis
     
 


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