Horticulture 231

List 6 – Trees and Shrubs with alternate leaves

.	Scientific Name	Common Name	Family	Origin	Native in WA
1	Betula nigra	River birch	Betulaceae	Eastern U.S.
2	Betula occidentalis	Water birch	Betulaceae	NW U.S., WA	yes
3	Betula papyrifera	Paper birch	Betulaceae	N. America, WA	yes
4	Betula pendula	European white birch	Betulaceae	Europe
5	Ginkgo biloba	Ginkgo	Ginkgoaceae	E. China
6	Liriodendron tulipifera	Tuliptree	Magnoliaceae	Eastern U.S.
7	Spiraea betulifolia	Birchleaf spirea	Rosaceae	NW N. Am., Japan, WA	yes
8	Spiraea japonica	Japanese spirea	Rosaceae	Japan
9	Spiraea japonica 'Anthony Waterer'	Anthony Waterer spirea	Rosaceae	Japan
10	Spiraea nipponica 'Snowmound'	Snowmound nippon spirea	Rosaceae	American selection
11	Spiraea thunbergii	Thunberg spirea	Rosaceae	China and Japan
12	Spiraea ×vanhouttei	Vanhoutte spirea	Rosaceae	hybrid
13	Tilia cordata	Littleleaf linden	Tiliaceae	Europe
14	Tilia tomentosa	Silver linden	Tiliaceae	SE Europe, W. Asia
15b	Asgn 3b choice from: a. Hamamelis sp. b. Photinia melanocarpa c. Spiraea douglasii	a. Witchhazel b. Black chokeberry c. Western spirea	a. Hamamelidaceae b. Rosaceae c. Rosaceae	a. Eastern US, W. Asia b. Eastern N America c. Western N. America, WA	no no yes

Plants repeated from Hort 232:

R1	Larix sp.	Larch	Pinaceae	N. hemisphere, WA	yes
R2	Pseudotsuga menziesii	Douglas fir	Pinaceae	Western US, WA	yes

Move to Hort 231 Plant List:

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Virginia Lohr, Professor, E-mail: lohr@wsu.edu
Department of Horticulture and Landscape Architecture
Washington State University
Pullman, Washington 99164-6414 U.S.A.
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Page updated September 22, 2011