海南省兰科-新记录属——金唇兰属

报道了海南兰科植物1个新记录属-金唇兰属（基于金唇兰,并提供简要的描述、照片及属的分布图。     

中国兰科耳唇兰属补志

在《中国植物志》第18卷中记载了四种国产耳唇兰属Otochilua植物。其中的白花耳唇兰O.albus系根据某些植物学家的引证,而不是作者自己检视的标本。在第一作者近来的一次赴欧访问中,仔细检视了保存在那里的耳唇兰属标本,特别是Smith与Seidenfaden所引证的标本：Forrest 9493(E)、16168(K,E)、27753(K,P,E)与F．E．Younghusband s．n．(K)。其中只有F．E. Younghusband s．n．是真正的白花耳唇兰,其余的应是宽叶耳唇兰O．lancilabius和耳唇兰O．porrectus。作为对《中国植物志》第18卷的补充,本文对白花耳唇兰作了订正,并根据西藏标本进行了描述。     

海南省兰科植物新记录属——鳔唇兰属

在海南省尖峰岭国家级自然保护区发现分布有兰科Orchidaceae鳔唇兰属Cystorchis Blume,应为海南省的新记录属。海南省是该属在我国已被发现的第二个分布点。根据世界自然保护联盟（IUCN）红色名录的濒危标准,无叶鳔唇兰C. aphylla属于D2级,应实施原地保护。     

福建兰科2新记录属

报道了福建兰科2新记录属——钳唇兰属(Erythrodes Bl.)和异型兰属(Chiloschista Lindl.),及2个新记录种——钳唇兰[Erythrodes blumei(Lindl.)Schitr.]和广东异型兰(Chiloschista guangdongensis Z.H.Tsi),并提供了形态描述及其图片。凭证标本保存于福建师范大学生命科学学院植物标本馆(FNU)。     

兰科舌唇兰属的一新亚属

笔者曾在1994年发表的“兰科植物区系中一些有意义属的地理分布格局的研究”一文中介绍了 此新亚属——显柱舌唇兰亚属的分布格局及其与舌唇兰亚属的区别。现将它正式发表。此新亚属含12种,其中1种为新组合种。     

秦岭兰科一新记录属——全唇兰属

全唇兰属(Myrmechis Bl.)隶属于兰科(Orchidaceae)鸟巢兰族(Neottieae)斑叶兰亚族(Goodyerinae),属的模式种M.gracilis(B1．)B1．分布于亚洲热带至亚热带地区的中国、日本、锡金、印度尼西亚[4,2]。该属植物有7种,均为陆生小草本。根状茎伸长,匍匐、肉质、具节,节上生根、叶很小。     

中国巾唇兰属(兰科)一新记录种——鸵鸟巾唇兰

报道中国兰科(Orchidaceae)巾唇兰属一新记录种---鸵鸟巾唇兰(Pennilabium struthio Carr ),并提供了详细的形态描述和照片.该种与巾唇兰(P ．yunnanense S．C．Chen&Y．B．Luo)较接近,区别点在于花梗和子房不旋转,萼片为椭圆形,花瓣为卵状椭圆形,花瓣外端具短齿,距近末端膨大.     

兰科带唇兰属一新异名

经过对标本馆馆藏标本的研究,确认原四川特有的峨眉带唇兰[Tainia emeiensis (K. Y. Lang) Z. H. Tsi]与大花带唇兰(T.macrantha Hook. f.)为同种植物,因此予以归并。     

关于兰科盆距兰属与囊唇兰属的混淆问题

回顾盆距兰属(Gastrochilus)与囊唇兰属(Saccolabium)两个混淆属的简史。它们为彼此明显不同的独立属。盆距兰属的唇瓣为半球形囊状,侧裂片不明显,中裂片甚大;蕊柱无足;花粉团具孔隙。囊唇兰属的唇瓣为圆筒状距形,侧裂片明显,中裂片很小;蕊柱有短足;花粉团实心。前者广泛分布于亚洲热带与亚热带地区;后者则只局限于印度尼西亚的爪哇与苏门答腊。因此,建议在国际命名法规中取消保留名Saccolabium以及作为其异名的废弃名Gastrochilus(1822号)。     

中越带唇兰, 中国带唇兰属(兰科)一新记录

报道了中国兰科（Orchidaceae）植物一新记录种：中越带唇兰（Tainia acuminata Averyanov）,并提供形态描述及彩色图片。该种与心叶带唇兰（T.cordifolia Hook.f.）相近,不同在于萼片与花瓣均为狭披针形,唇瓣无侧裂片,阔披针形,渐尖,唇瓣边缘在中上部波状卷曲,唇盘具3条不明显的脊。     

The Systematic Position of Diplopanax Hand.-Mazz.

Diplopanax is a genus described by H. Handel-Mazzetti in 1933 according to a flowered specimen. It was originally considered as belonging to the family Araliaceae. But fruit characters of this genus such as very large in size, oblong-ovoid in shape, and containing only one seed in a locule which has a curved embryo and very hard when dry etc., differ greatly from all other araliaceous plants, and evidently resemble those of the cornaceous genus Mastixia Bl. In addition, the fruit is very similar to the cornaceous fossil genus Tectocarya F. Kirchh., from which it may be distinguished by the absence of 2 germinate pores in the endocarp. Consequently, the present author tends to consider that the genus Diplopanax Hand.-Mazz. is best placed in Cornaceae, not in Araliaceae.     

海南兰科植物新资料

报道了中国兰科Orchidaceae植物一新记录属和3个中国新记录种及5个海南新记录种。其中小囊兰属Micropera Lindl．、红花小囊兰Microperapoilanei（Guill.）Garay、疏花羊耳蒜Liparis sparsiflora Aver.和美丽云叶兰Nephelaphyllum pulchrum Bl.为中国新记录;平卧曲唇兰Panisea cavalerei Schltr．、云南曲唇兰Panisea yunnanensis S．C．Chen＆Z．H．Tsi、束花石斛Dendrobium chrysanthum Wallichex Lindl．、滇南翻唇兰Hetaeria rubens （Lindl．）Benth．ex J．D．Hook．f和毛叶芋兰Nervilia plicata（Andrews）Schltr．为海南新记录种。     

云南蕨类植物区系新记录（Ⅰ）

云南蕨类植物区系新记录（Ⅰ）陆树刚,张光飞（云南大学生态学与地植物学研究所,昆明６５００９１）ＮＥＷＲＥＣＯＲＤＳＴＯＴＨＥＰＴＥＲＩＤＯＦＬＯＲＡＯＦＹＵＮＮＡＮ（Ⅰ）￥ＬＵＳｈｕ－Ｇａｎｇ;ＺＨＡＮＧＧｕａｎｇ－Ｆｅｉ（ＩｎｓｔｉｔｕｔｅｏｆＥｃ...     

中国豆科植物区系新资料

报道了中国豆科一新记录属闭荚藤属和一新记录种滇西围涎树前者分布于我国西藏墨脱雅鲁藏布江峡谷热带山地雨林中,后者见于云南西部盈江亚热带山地常绿阔叶林中。     

广西锥属植物一新种

<正> 龙州锥 (新种) 图版1 本种与淋漓锥近缘,但本种的叶片两面无毛且同色,叶缘有锯齿状裂齿,有时为钝裂齿,网状叶脉纤细而明显,果序较短,有果较少数,壳斗及坚果较大,壳斗的鳞片被毛,覆瓦状松弛排列,可作区别特征。 乔木,高5—8米,树干胸径8—15厘米,树皮灰棕色,当年生枝浑圆,粗壮,无毛,干后近暗棕色,密生淡黄色、细圆点状皮孔;新生芽阔卵形,顶端钝,长及宽均约3毫米,芽鳞无毛或边缘有稀疏短毛。叶硬报质,卵形,椭圆形或披针形,稀倒卵形,连叶柄长8—     

国产复叶耳蕨属的新分类群

为编写《中国植物志》第五卷准备资料,本文发表国产复叶耳蕨属的63新分类群。为了节约篇幅,本文仅发表拉丁文描述和中文的特征简报,其中文描述将见于《中国植物志》,以免重复。     

On the Identity of Trirostellum Z. P. Wang et Q. Z. Xie

According to Wang and Xie, their recently published genus Trirostellum is distinguished from its allied genera by a number of characteristics: (1) the stamens with their filaments coherent into a central column; (2) the female flowers possessing rudimentary stamens; (3) the ovary 3-celled, with one ovule in each cell; (4) the fruits dehiscent, 3-rostrated at the apex; (5) the fruits possessing persistent perianth; (6) the seeds tuberculate and winged. However, upon a careful comparison of Trirostellum yixingensis Z.P. Wang et Q. Z. Xie, the type species of Trirostellum with Gynostemma pentaphyllum (Thunb.) Mak., the type species of Gynostemma Bl. and some other species of Gynostemma as well,we have found that the representatives of the above two genera are identical in most of the important diagnostic characteristics except that the fruits of the former genus are dehiscent with three long beaks at the apex, while the fruits of the latter genus are indehiscent with very short beaks. Besides, results obtained from chromosome counting haove shown that the somatic chromosome number of Trirostellum yixingensis is 2n=22, while that of Gynostemma pentaphyllum is 2n=28.Yet these morphological and chromosomal differences seem not sufficient for generic demarcation. We, therefore, suggest that Trirostellum bereduced to a sectional or subgeneric rank of Gynostemma Bl.     

A Study on the Anatomy of Vegetative Organs of the Gymnotheca Decne. (Saururaceae) in Relation to Its Systematic Position

The present paper deals with the anatomy of vegatative organs of Gymnotheca Decsne. Many significant differences between the genus and the other genera (Saururus L. and Houtuynia Thunb.) of the same family have been discovered in our study. On the contrary, the genus and Zippelia Bl. of the family Piperaceae have many anatomical characteritics in common. The genera Gymnotheca Decne. and Zippelia Bl. are therefore considered intermediate between the families saururaceae and Piperaceae from anatomical point of view.     

New Material of Polypodiaceae

One new species of the genus Lepisorus (L. petiolatus Ching et Y. X. Lin) and one new record of the genus Colysis (C. membranacea (Bl.) Presl) arereported from Guangxi, China.     

Proposal for combining Bradyrhizobium spp. (Aeschynomene indica) with Blastobacter denitrificans and to transfer Blastobacter denitrificans (Hirsch and Muller, 1985) to the genus Bradyrhizobium as Bradyrhizobium denitrificans (comb. nov.)

The symbiotic bradyrhizobia of Aeschynomene indica and the aquatic budding bacterium Blastobacter denitrificans have much in common and this study broadens the characters that are shared between the two. The 23S rRNA gene sequences of the bradyrhizobial isolates were most similar to each other and to the sequence of Bl. denitrificans. Evidence for the presence of photosynthetic genes in the genome of Bl. denitrificans was obtained by PCR using primers to the conserved M subunit (pufM) of the photosynthetic reaction center present in purple sulfur and purple nonsulfur bacteria. The deduced amino acid sequences of the partial PufM protein of Bl. denitrificans and the corresponding sequences obtained from the bradyrhizobial isolates were identical. Both the bradyrhizobial isolates and the type strain of Bl. denitrificans shared the ability to propagate by budding, demonstrated by electron microscopy. Even though many interspecific characters were shared among the bradyrhizobial isolates including Bl. denitrificans, it was evident from Amplified Fragment Length Polymorphism (AFLP) analysis that genomic variation existed among the collection that was examined. Variation among bradyrhizobial isolates and Bl. denitrificans also was established in carbon and nitrogen source utilization and the ability to grow at elevated temperature. Based on these results and previously reported evidence it is suggested that the type strain for Bl. denitrificans and the bradyrhizobial isolates from nodules of A. indica belong to a common group of bacteria. Therefore, it is proposed that they be combined into the genus Bradyrhizobium and that LMG 8443 be transferred to this genus as the type strain for B. denitrificans.