Alnus cordata 意大利榿木、那不勒斯榿木、意大利赤楊

Common name:Italian Alder
Scientific name: Alnus cordata 意大利榿木、那不勒斯榿木、意大利赤楊
Genus: Alnus 榿木屬、赤楊屬
Family: Betulaceae 樺木科, birch family

Remarks*: 

Origin: Neophyte (established after 1500 AD). It is a native of Corsica, southern Italy and Albania. It was introduced to Britain in 1820 and was recorded from the wild in 1935.

Date: 19th Feb

26

22

21

19

6 male and female flowers

2 male flowers

1

3

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5 female flowers

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28 flowers and the fruits of previous year

31

17

20

10

13

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The following pictures were taken on 2nd May:

32

23

29 Leave base cordate.

20

31

25

Corylus avellana 歐榛, 歐洲榛

Common name: Hazel
Scientific name: Corylus avellana 歐榛, 歐洲榛
Genus: Corylus 榛屬*
Family: Betulaceae 樺木科, birch family

Remarks*: The name of the tree comes from the Italian town of Avella, when Carl Linnaeus (1707–78) described it as “Avellana nux sylvestris” meaning the wild nut of Avella.

Origin: native

Date: 14th Feb

3102

54

22

16 male and female flowers. Male flowers still not yet opened.

24 male and female flowers

26 male and female flowers

56 Both male and female flowers not yet opened.

40

42

41

38

28

48

51

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21 female flower buds

45 female flower

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The following pictures were taken on 4th May:

6

4

2 Leaves 5-12 cm, cordate at base.

3 Leaves sparsely hairy