山东贯众属 (鳞毛蕨科)两新种

doi:10.3724/SP.J.1143.2012.11109

Plant Diversity ›› 2012, Vol. 34 ›› Issue (01): 17-21.DOI: 10.3724/SP.J.1143.2012.11109

山东贯众属 (鳞毛蕨科)两新种

李建秀1, 周凤琴1, 李晓娟1, 孙稚颖1, 孔宪需2, 郭庆梅1, 石优霞3

1 山东中医药大学，山东济南250355； 2 中国科学院成都生物研究所，四川成都610041；
3 山东大学天然药物研究所，山东济南250002

收稿日期:2011-07-30 出版日期:2012-02-25 发布日期:2011-12-26

Two New Species of Cyrtomium (Dryopreridaceae) from Shandong

LI Jian-Xiu-1, ZHOU Feng-Qin-1, LI Xiao-Juan-1, SUN Zhi-Ying-1, KONG Xian-Xiu-2, GUO Qing-Mei-1, DAN You-Xia-3

1 Shandong University of Traditional Chinese Medicine, Jinan 250355, China; 2 Chengdu Institute of Biology, Chinese Academy
of Sciences, Chengdu 610041, China; 3 Department of Natural Medicine, Shandong University, Jinan 250002, China

Received:2011-07-30 Online:2012-02-25 Published:2011-12-26

摘要/Abstract

摘要：

描述了山东贯众属两新种—密齿贯众 (Cyrtomium confertiserratum) 和倒鳞贯众 (C.reflexosquamatum)。植物形态学和孢粉学 (光学显微镜与扫描电镜) 观察结果显示：密齿贯众与贯众复合群中的原变型 (Cyrtomium fortunei f. fortunei) 相近似，区别在于本新种顶生羽片菱形，基部1~2深裂，裂片长3~4cm，宽约10mm，侧生羽片边缘有细密锯齿，囊群盖边缘有小齿，孢壁具不规则的瘤状纹饰。倒鳞贯众与山东贯众 (C.shandongense) 形态相近，但倒鳞贯众体型较大，高达60cm，羽片较多，达15~29对，叶轴基部以上密被倒生鳞片，孢壁为耳片状及网结状纹饰，易于区别。

关键词: 密齿贯众, 倒鳞贯众, 贯众属, 新种

Abstract:

Two new species of Cyrtomium from Shandong, C.confertiserratum and C.reflexosquamatum were described. The morphology and palynology showed that Cyrtomium confertiserratum is similar to C.fortunei f. fortunei, while it differs from the latter one mainly in: the upper pinnae rhombic, the lower part 1-2 deep pinnatifid, lobes 3-4cm long, about 10 mm wide, lateral pinnaes densely serrate, indusia have small tooth on the edge, spores reniform with irregular tuberculate perine. Cyrtomium reflexosquamatum is similar to C.shandongense in morphology, but C.reflexosquamatum is larger, up to 60cm with 15-29 pairs pinnae, densely covered with anatropous scales above the pinnae bases, and spores reniform with rugate and finely fenestrate perine.

Key words: Cyrtomium confertiserratum, Cyrtomium reflexosquamatum, Cyrtomium, New species

中图分类号:

Q 949

李建秀1, 周凤琴1, 李晓娟1, 孙稚颖1, 孔宪需2, 郭庆梅1, 石优霞3. 山东贯众属 (鳞毛蕨科)两新种[J]. Plant Diversity, 2012, 34(01): 17-21.

LI Jian-Xiu-, ZHOU Feng-Qin-, LI Xiao-Juan-, SUN Zhi-Ying-, KONG Xian-Xiu-, GUO Qing-Mei-, DAN You-Xia. Two New Species of Cyrtomium (Dryopreridaceae) from Shandong[J]. Plant Diversity, 2012, 34(01): 17-21.

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山东贯众属 (鳞毛蕨科)两新种

Two New Species of Cyrtomium (Dryopreridaceae) from Shandong

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