Horticulture 231

List 6 – Trees and Shrubs with alternate leaves

.	Scientific Name	Common Name	Family	Origin
1	Betula nigra	River birch	Betulaceae	Eastern U.S.
2	Betula occidentalis	Water birch	Betulaceae	NW U.S., WA
3	Betula papyrifera	Paper birch	Betulaceae	N. America, WA
4	Betula pendula	European white birch	Betulaceae	Europe
5	Liriodendron tulipifera	Tuliptree	Magnoliaceae	Eastern U.S.
6	Holodiscus discolor	Oceanspray	Rosaceae	NW N. America, WA
7	Spiraea betulifolia	Birchleaf spirea	Rosaceae	NW N. Am., Japan, WA
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
15	In-class choice from: a. Hamamelis ×intermedia b. Spiraea douglasii c. Spiraea prunifolia	a. Witchhazel b. Western spirea c. Bridalwreath spirea	a. Hamamelidaceae b. Rosaceae c. Rosaceae	a. hybrid b.Western North America, WA c. Japan

Plants repeated from Hort 232:

R1	Amelanchier alnifolia	Saskatoon serviceberry	Rosaceae	Central N. Am., WA
R2	Malus sp.	Flowering crabapple	Rosaceae	N. hemisphere

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 28, 2007