Roystonea

与Roystonea相关的网络例句 [注：此内容来源于网络，仅供参考]

The dominant species at arbor layer are Washiongtonia robusta, Ficus microcarpa, Roystonea regia, Delonix regia, Caryota ochlandra, Alstonia scholaris, Bauhinia variegate, Bombax malabaricum, Erythrina orientalis, Cinnamomum japonicum, Acacia onfuse. The dominant species of shrub layer mainly are Rhododendron simsii, Osmanthus fragrans, Hibiscus rosa sinensis.

植物群落中乔木优势种的组成主要有：华盛顿棕榈、榕树、大王椰子、凤凰木、鱼尾葵、盆架子、洋紫荆、木棉、刺桐、天竺桂、台湾相思等；灌木优势种主要有：杜鹃、桂花、扶桑。

The results were as follows: 1 There were 7 133 trees, belonging to 23 species and 18 genera and 13 families, and their average DBH, crown and height were respectively 27.59 cm, 4.10 m and 6.94 m. In general their average crown was relative small. 2 S, H (Shannon-Wiener index), and D of biodiversity index were small, and there were the obvious difference in those indexes among different streets, which suggested that there were certain monotone of the tree species and structure layer. 3 The dominant species mainly consisted of evergreen trees that were Ficus virens var. sublanveolata, Ficus benjamina, Roystonea regia, Terminalia hainanensis, T.

结果表明：1梅州城区行道树共有13科18属23种7133株，其平均胸径、平均冠幅、平均树高分别为27.59cm，4.10m，6.94m，总体上看，平均冠幅偏小；2物种丰富度指数S、Shannon-Wiener指数H和Simpson指数D偏小且各道路间差异明显，说明各道路行道树存在一定程度的物种单一性、层次的单调性；3梅州市城区行道树优势树种是大叶榕、垂榕、大王椰子，次优势种为海南榄仁、阿珍榄仁、阴香，它们是梅州城市街道绿化的好树种。

与Roystonea相关的网络解释 [注：此内容来源于网络，仅供参考]

Roystonea regia：大王椰子

观察研究了椰心叶甲[Brontispa longissima (Gestro)]取食椰子(Cocos nucifera)、大王椰子(Roystonea regia)、散尾葵(Chrysalidocarpus lutescens)的生长发育情况.结果表明取食不同棕榈科植物的椰心叶甲各龄幼虫发育历期有明显差异.幼虫历期以取食椰子的较长于其他2种寄主植物的,

Roystonea regia：王棕

治疗良性前列腺增生(BPH)的涂敷剂及其用途 200310118476.7365 抗前列腺特异性膜抗原(PSMA)的人单克隆抗体 03807371.4389 治疗良性前列腺增生(BPH)的涂敷剂及其用途 200310118476.7454 来源于王棕(Roystonea regia)果实的用于治疗和预

Roystonea oleracea：甘藍椰子

甘藍 Brassica oleracea | 甘藍椰子 Roystonea oleracea | 白三葉草 Trifolium repense

Roystonea regia Cuban royal palm：古巴大王椰子

Dicksonia sp. Dicksonia or tree fern 樹蕨 | Roystonea regia Cuban royal palm 古巴大王椰子 | Arancaria heterophylla greater araucaria 南洋杉

Roystonea O. F. Cook：王棕属

2. 王棕亚族 Roystoneinae J. Dransf. et N. Uhl | 21. 王棕属 Roystonea O. F. Cook | 3. 假槟榔亚族 Archontophoenicinae J. Dransf. et N. Uhl