dawn redwood

同根派生

Another example is the Dawn Redwood metasequoia, which was described as a fossil in 1941.
另一個例子是水杉，這種樹在1941年是被描述為化石的。
More common in gymnosperms, such as Parkinson's Songshan category, fir, dawn redwood, silver fir and some angiosperms, such as beech, such as Yang.
多見于裸子植物，如松杉類的柏、杉、水杉、銀杉以及部分被子植物，如楊山毛櫸等。
The stomatal morphology and size in giant redwood are more similar to those in coast redwood than to those in dawn redwood.
北美紅杉既有類似巨杉的氣孔分布方式，又有類似水杉的氣孔分布方式；
Most stomata locate on the abaxial surfaces of leaves in dawn redwood , and they locate on both the abaxial and adaxial surfaces of leaves in giant redwood.
巨杉葉片的遠(yuǎn)軸面和近軸面都有氣孔分布,水杉的氣孔主要分布在葉片的遠(yuǎn)軸面;
Economic development has spurred deforestation and pollution in surrounding provinces in central China, endangering at least 57 plant species, including the Chinese dove tree and the dawn redwood.
經(jīng)濟(jì)發(fā)展增加了中國中部各省的森林砍伐和環(huán)境污染，這威脅到至少57種植物，包括中國珙桐和水杉。