Three newly naturalized species from Ningbo, Zhejiang

YE Xiyang; MA Dandan; CHEN Zhenghai; JIN Shuihu; LI Genyou

doi:10.11833/j.issn.2095-0756.2014.05.026

Three naturalized plant species newly discovered in Ningbo City, Zhejiang Province were reported: Euphorbia prostrate(Euphorbiaceae), Senecio vulgaris(Compositae) and Erigeron strigosus(Compositae).

Three newly naturalized species from Ningbo, Zhejiang

School of Forestry and Biotechnology, Zhejiang A & F University, Lin'an 311300, Zhejiang, China

2. Zhejiang Monitoring Center for Forest Resources; Hangzhou 310020, Zhejiang, China

3. Jiyang College, Zhejiang A & F University, Zhuji 311800, Zhejiang, China

Received Date: 2013-12-23

Rev Recd Date: 2014-03-04

Publish Date: 2014-10-20

Key words:

botany /
flora /
new record /
Zhejiang Province

Abstract: Three naturalized plant species newly discovered in Ningbo City, Zhejiang Province were reported: Euphorbia prostrate(Euphorbiaceae), Senecio vulgaris(Compositae) and Erigeron strigosus(Compositae).

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笔者在进行浙江省宁波市植物资源调查时，发现了3种浙江归化新记录植物^[1-8]，作为浙江植物区系资料的补充，本文予以报道。

1. 大戟科Euphorbiaceae

匍匐大戟Euphorbia prostrata Aiton, Hort. Kew. 2: 139. 1789：台湾植物志3: 463.1977：福建植物志3：228. 1987：中国植物志44（3）：51-52.图版10：5-8. 1997：Fl. China 11：295-296. 2008 ——Chamaesyce prostrata（Aiton）Small, Fl. S. E. U. S. 713.1903：台湾植物志（ed 2）3：442. pl. 231. 1993.

浙江（Zhejiang）：宁波市（Ningbo），象山县（Xiangshan），丹城（Dancheng），路边石缝中，2013-08-01，G. Y. Li，Z. H. Chen et al.（李根有，陈征海等）XS20130801（浙江农林大学植物标本馆，ZJFC）。

本种茎上具卷曲毛，蒴果仅果棱上被白色绒毛而区别于浙江已知的其他种。

原产于美洲热带和亚热带，归化于旧大陆的热带和亚热带：中国分布于江苏、福建、湖北、广东、海南、台湾、云南。浙江归化植物分布新记录。

2. 菊科Compositae

2.1. 欧洲千里光

欧洲千里光Senecio vulgaris Linn., Sp. Pl. 2: 867. 1753. Schischk in Fl. URSS 26：780.1961: S. Y. Hu in Quart. Journ. Taiwan Mus. 21：149. 1968：中国高等植物图鉴4：559. 2011.图 6532. 1975：中国植物志77（1）：301-302，图版65：6-11：Fl. China 20/21：535. 2011.

浙江（Zhejiang）：宁波市（Ningbo），鄞州区（Yinzhou），东钱湖（Dongqianhu），路边草丛，海拔60 m，2013-10-25，X. Y. Ye，D. M. Yuan，Y. Zang（叶喜阳，袁冬明，臧毅）YZ201310075（ZJFC）。

本种叶片羽状浅裂至深裂，先端钝，易与千里光属Senecio其他种类相区别。

欧亚及北非有广泛分布：在中国为归化种，分布于吉林、辽宁、内蒙古、四川、贵州、云南、西藏、台湾。浙江归化植物分布新记录。

2.2. 粗糙飞蓬

粗糙飞蓬Erigeron strigosus Muhl.ex Willd., Sp. Pl. 3: 1956. 1803; Fl. China 20/21: 644. 2011.

浙江（Zhejiang）：宁波市（Ningbo），余姚市（Yuyao），四明山（Simingshan），山坡林缘草丛中，海拔800 m，2012-05-15，G. Y. Li，Z. H. Chen（李根有，陈征海）YY201205017（ZJFC）。

本种与一年蓬E. annuus易混淆，区别在于前者茎上毛被稀疏：花期基生叶不枯萎，茎生叶逐渐减少：叶片倒披针形：叶缘具粗锯齿或深圆齿。

原产北美，在中国为已成为归化植物，分布于吉林、河北、河南、山东、湖北、江苏、安徽、江西、福建、四川、西藏。浙江归化植物分布新记录。

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Three newly naturalized species from Ningbo, Zhejiang

doi: 10.11833/j.issn.2095-0756.2014.05.026

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