(Magnoliophyta: Betulaceae) Alnus

Question 1

What is the common name for Alnus?

Answer 1

Alder, aulne, or aune

Question 2

How many Alnus species are native/naturalized in North America?

Answer 2

8

Question 3

List the common name(s) for:
Alnus alnobetula

Answer 3

Formerly known as Alnus viridus (green alder) but now considered illigetimate

Question 4

List the common name(s) for:
Alnus glutinosa (2)

Answer 4

Black alder
European alder

Question 5

List the common name(s) for:
Alnus incana (2)

Answer 5

Grey alder
Speckled alder

Question 6

List the common name(s) for:
Alnus maritima (2)

Answer 6

Seaside alder
Brook alder

Question 7

List the common name(s) for:
Alnus oblongifolia (3)

Answer 7

Arizona alder
New Mexican alder
Aliso (Mexico name)

Question 8

List the common name(s) for:
Alnus rhombifolia (2)

Answer 8

White alder
California alder

Question 9

List the common name(s) for:
Alnus rubra (2)

Answer 9

Red alder
Oregon alder

Question 10

List the common name(s) for:
Alnus serrulata (2)

Answer 10

Smooth alder
Hazel alder

Question 11

List the scientific name for:
Green alder (illegitimate name)

Answer 11

Alnus alnobetula

Question 12

List the scientific name for:
Black alder

Answer 12

Alnus glutinosa

Question 13

List the scientific name for:
Grey alder

Answer 13

Alnus incana

Question 14

List the scientific name for:
Seaside alder

Answer 14

Alnus maritima

Question 15

List the scientific name for:
Arizona alder

Answer 15

Alnus oblongifolia

Question 16

List the scientific name for:
White alder

Answer 16

Alnus rhombifolia

Question 17

List the scientific name for:
Red alder

Answer 17

Alnus rubra

Question 18

List the scientific name for:
Smooth alder

Answer 18

Alnus serrulata

Question 19

State the species of Alnus represented by subspecies in North America AND the number of subspecies for each species

Answer 19

Alnus alnobetula (3)
Alnus incana (2)

Question 20

How many species of Alnus are represented by subspecies in North America?

Answer 20

2

Question 21

State the scientific and common names of the subspecies of:
Alnus alnobetula (3)

Answer 21

Alnus alnobetula subsp. crispa (Green alder, mountain alder, aulne vert, aulne crispé)
Alnus alnobetula subsp. fruticosa (Siberian alder)
Alnus alnobetula subsp. sinuata (Sitka alder, mountain alder)

Question 22

State the scientific and common names of the subspecies of:
Alnus incana (2)

Answer 22

Alnus incana subsp. rugosa (Speckled alder, tag alder, swamp alder, aulne blanchâtre)
Alnus incana subsp. tenuifolia (Thinleaf alder, mountain alder)

Question 23

What subfamily does the genus Alnus belong to?

Answer 23

Betuloideae