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8 Cards in this Set
- Front
- Back
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ulmus parvifolia Chinese elm 叶脉两边不均匀,patchy bark. m-l tree. alt |
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ulmus pumila Siberian elm 不对称 alt small leaf ml tree 纵纹,白综相间 |
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ulmus americana American elm m tree. alt. upright branches. 3 dots on leaf scar |
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celtis occidentalis hackberry m-l 左右不对称. alt. 不规则片状树干. |
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zelkova serrata Japanese zelkova m tree upright v shape. heart. smooth bark. 锯齿特别 |
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tilia tomentosa silver linden alt. protect seed leaf. long. fuzzy seed bud. lighter leaf back. heart shape leaf. |
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tilia americana American linden
green back. larger leaf. no fuzzy bud |
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tilia cordata littleleaf linden small heart shape leaf. sm tree. 短保护叶. 叶子背后杆与叶相结处有褐色柔毛 |