Refuse frost flower" is an alias of which of the following flower viewing trees？ A: White magnolia (Magnolia denudata) B: Albizia (Albizia julibrissin) C: Wintersweet (Chimonanthus praecox) D: Cotton rose (Hibiscus mutabilis)

Magnolia biloba 和 Ginkgo biloba 学名的种加词均为 biloba ，其含义是

由四个音节组成的拉丁文单词是 A: aquosus B: arisaema C: gentiana D: magnolia

Which of the followings are not malignant invasive plants(()). A: Adenophorum B: Yulan magnolia C: Water hyacinth D: Ragweed<br/>[单选题][2分][难度3]

Flowering plants in the following garden plants are: A: Cycad（苏铁） B: Zhu Jiao（朱蕉） C: Magnolia（玉兰） D: Crape myrtle（紫薇）

______ joining this company in January 2004, Magnolia has already accomplished many demanding jobs successfully. A: Since B: Because C: In addition D: Besides

Which of the following plants does not have pure white flowers? A: Michelia maudiae B: Magnolia grandiflora C: Yulania denudata D: Yulania × soulangeana

Which of the following plants does not have white flowers? A: Michelia chapensis Dandy B: Gardenia jasminoides C: Magnolia denudata Desr. D: Cerasus serrulata (Lindl.)

杜仲的原植物是 A: Paeonia suffruticosa Andr. B: Eucommia ulmoides Oliv. C: Magnolia officinalis Rehd. et Wils D: Cinnamomum cassia Presl

黄柏的原植物是 A: Paeonia suffruticosa Andr. B: Phellodendron chinense Schneid. C: Magnolia officinalis Rehd. et Wils D: Cinnamomum cassia Presl