全 文 :贵 州 科 学 29(1) :18 - 19,2011
Guizhou Science
收稿日期:2010 - 06 - 02;修回日期:2010 - 08 - 24
资助项目:贵阳市科技局项目:2008 筑科农合同字第 40 号。
作者简介:赵俊华,(1955 -) ,男(汉族) ,教授,主要从事药用植物分类
及民族医药研究。E - mail:jhzhao55@ yahoo. cn
通讯作者:潘炉台,男,教授。E - mail:Panlt66@ 163. com
节肢蕨属(水龙骨科)一新种———贵州节肢蕨
赵俊华1 孙庆文1 王培善2 潘炉台1
(1 贵阳中医学院 药学系,贵阳 550002;2 贵州省生物研究所,贵阳 550009)
摘 要: 作者们在雷公山区考察时,发现一节肢蕨属植物,经研究,系一新种,定名为贵州节肢蕨。
关键词: 节肢蕨属,新种,贵州节肢蕨
中图分类号 Q949. 36 文献标识码 A 文章编号 1003 -6563(2011)01 -0018 -02
A New Fern Species of Arthromeris (Polypodiaceae)—Arthromeris guizhouensis
ZHAO Jun-hua1 SUN Qing-wen1 WANG Pei-shan2 PAN Lu-tai
(1Department of Pharmacy,Guiyang College of Traditional Chinese Medicine,Guiyang,Guizhou 550002,Chi-
na;2 Institute of Biology,Guizhou Province,Guiyang 550009,China)
Abstract: Surveying in the leigong mountains,the writers have collected a species of Arthromeris. Investigation
shows that it is a new one,the authors name it Arthromeris guizhouensis.
Key words: Arthromeris,new species,Arthromeris guizhouensis
Arthromeris guizhouensis P. S. Wang,J. H. Zhao
et Q. W. Sun,sp. nov. Pls. I & II
Species A. tenuicaudae (Hook.)Ching et A. ele-
ganti Ching similis,ab illa pinnis sessilibus,soris in
utroque costae latere 2 ~ 3seriatis;a hac statura ma-
jore,usque ad 95 cm alta,pinnis lateralibus 15 ~ 26
cm longis,petiolo cum rhachi fusco vel purpureo,
haud stramineo. Plant up to 95 cm tall. Rhizome long-
creeping,densely scaly;scales ovate-lanceolate,base
rounded,apex acuminate,margin denticulate,dark
brown at center and outwards light brown. Stipe 17 ~
32 cm long,scaly at base,upwards glabrous,together
with rachis brown to purple. Lamina oblong,46 ~ 63
cm long,22 ~ 32 cm broad,imparipinnate,lateral
pinnae 4 ~ 8 pairs,slightly oblique,sessile,narrowly
laceolate,15 ~ 26 cm long,1. 1 ~ 2. 7 cm wide,base
narrowly cuneate,apex long-caudat,margin entire or
undulate with confined membrane;terminal pinna sim-
ilar to lateral ones,stalked or sessile,or often bearing
a pinna-like segment at one side of its base. Texture
herbaceous,green when dried,glabrous on both sides.
Sori rounded,arranging in 2 ~ 3 series by each side of
costa. Spores elliptic in polar view and bean - shaped
in equatorial view,36 (28 ~ 45)× 47 (40 ~ 54)μm;
perispore rugulate with numerous spinules;spinules
ca. 2 ~ 6μm long,some of them enlarged at base,
middle,or tip.
Guizhou:Leishan County (雷山县) ,Maoping
Village in Leigong Mountain(雷公山毛坪) ,L. T.
Pan et al. (潘炉台等)0710 (Typus Deposited in the
Herbarium of Guiyang Medicinal College) ,on a rock
by stream under forest at 26°2274″ N and 108°1575″
E,alt. 958 m,2009-10-07;ibid. L. T. Pan & J. H.
Zhao et al. (赵俊华等)005,2009-11-07.
图 1 贵州节肢蕨
图 2 贵州节肢蕨植物生境和孢子电镜扫描
1. 植株;2. 羽片局部,示叶脉和孢子囊群(孙庆文绘)
1. 植株生境;2. 羽片局部,示叶脉,孢子囊群及叶缘;3. 根
状茎和叶柄基部;4. 孢子极面观;5. 孢子赤道面观。Fig. 1 Arthromeris guizhouensis P. S. Wang,J. H.
Zhao ﹠ Q. W. Sun
1. plant;2. part of a pinna. showing veins and
sori. Drawn by Q. W. Sun from L. T. Pan 0710.
Fig. 2 Living plant and spores under SEM of Arthromeris
guizhouensis P. S. Wang,J. H. Zhao & Q. W. Sun:
1. habitat of the plant;2. portion of a pinna,showing sori,
lateral veins and membranous margin;3. rhizome and
base of stipe;4. polar view of spore;5. equatorial view of
spore.本种与狭羽节肢蕨和美丽节肢蕨相似,不同于
前者在于羽片无柄,羽轴两侧具孢子囊群 2 列 ~ 3
列;不同于后者在于形体较大,高达 95 cm,侧生羽
片长 15 cm ~ 26 cm,叶柄和叶轴棕色或紫色,绝不
为禾秆色。
2009 年 10 月 7 日,潘炉台、赵俊华等在贵州省
雷山县雷公山毛坪的阴湿林下岩石上发现该物种。
发现地海拔为 958 m,经纬度为 26°22. 74 N,108°
15. 75E。模式标本存于贵阳中医学标本馆(潘炉
台、赵俊华等 0710,HGCM)。
致谢:孢子电镜扫描由上海师范大学戴锡玲教
授帮助完成。
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911 期 赵俊华,等:节肢蕨属(水龙骨科)一新种———贵州节肢蕨