云南高黎贡山西坡玉山竹属二新种

发表了云南高黎贡山西坡玉山竹属二新种:大玉山竹(Yushania gigantea Yi et L.Yang)和片马玉山竹(Yushania pianmaensis Yi et L.Yang)。大玉山竹近似西藏玉山竹(Y.xizangensis Yi),不同在于秆柄粗壮,直径7~12mm,节间长达2.5 cm;秆较高大,高6~7 m,节间分枝一侧基部扁平或具短纵沟槽;小枝具(5)6(7)叶;叶鞘较长,长(2.5)3.2~4.8 cm;叶柄无毛;叶片较大,长(3.5)10~18(20)cm,宽(4.5)8~13(18)mm,易于区别。片马玉山竹相似大玉山竹(Y.gigantea Yi et L.Yang),但本种秆较矮小,高2.5~4 m,直径1~1.8(2.5)cm;枝条较多而细,在秆上每节12~30枚,直径1~1.5(2)mm;箨鞘背面无毛,箨片较小,长1.5~3.5 cm,宽1~2.5 mm;小枝具叶较少,为(3)4~5枚;叶片较小,长达12.5 cm,宽达8 mm。     

镰序竹属与悬竹属叶的比较解剖

应用光学显微镜观察了镰序竹属与悬竹属共10个种叶的横切面和表皮结构,对分类学上有争议的种的分类地位进行探讨。结果表明:(1)镰序竹属与悬竹属叶的结构差异较大,应单独立属;(2)羊竹子、巴竹、冕宁镰序竹及碟环竹叶的结构与镰序竹属各种相近,它们应归于镰序竹属;(3)扫把竹的形态和解剖特征与镰序竹属各种差异显著,不宜放入镰序竹属,而应恢复到箭竹属中。     

越香竹——香竹属一新种

报导了从云南省金平县用种子(种子来源于越南莱州省的燕汤)繁殖的幼苗引入四川长宁县栽培的香竹属一新种越香竹(Chimonoca lamus peregrinus Yiet L.S.Ma)。新种与马关香竹(Ch.makuanensis Hsuehet Yi)相近似[1,3～5],但节间幼时微被灰粉,密被紫色小点,在分枝一侧中下部或基部扁平,并具纵脊和沟槽,无毛,刺状气生根较短,长约1～3mm,箨鞘短于节间长度,无不同颜色的纵条纹,箨舌三角形、"山"字形或稀近于截平形,高1～2mm,小枝具叶(4)6～8枚,叶鞘口繸毛2～4枚,长3～4mm,叶片下面淡绿色;也近似角香竹(Ch.bicorniculatusS.F.LietZ.P.Wang)[2,4,5],不同在于节间无毛,在分枝一侧中下部或基部扁平,并具纵脊与沟槽,节上气生根刺离生,箨鞘顶端两侧低于或远低于中部,箨舌高1～2mm,小枝具叶(4)6～8枚,叶片长8.5～13cm,宽6～10mm,次脉3(4)对,笋期在春季和秋季,易于区别。     

云南高黎贡山西坡玉山竹属二新种简

发表了云南高黎贡山西坡玉山竹属二新种：大玉山竹（Yushania gigantea Yi et L.Yang）和片马玉山竹（Yushania pianmaensis Yi et L.Yang）。大玉山竹近似西藏玉山竹（Y.xizangensis Yi）,不同在于秆柄粗壮,直径7~12 mm,节间长达2.5 cm;秆较高大,高6~7 m,节间分枝一侧基部扁平或具短纵沟槽;小枝具（5）6（7）叶;叶鞘较长,长（2.5）3.2~4.8 cm;叶柄无毛;叶片较大,长（3.5）10~ 18（20） cm,宽(4.5)8~13（18） mm,易于区别。片马玉山竹相似大玉山竹（Y.gigantea Yi et L.Yang）,但本种秆较矮小,高2.5~4 m,直径1~1.8（2.5） cm;枝条较多而细,在秆上每节12~30枚,直径1~1.5（2） mm;箨鞘背面无毛,箨片较小,长1.5~3.5 cm,宽1~2.5 mm;小枝具叶较少,为（3）4~5枚;叶片较小,长达12.5 cm,宽达8 mm。     

万寿竹属(百合科)一新种——金佛山万寿竹

描述了重庆市南川金佛山百合科Liliaceae一新种——金佛山万寿竹Disporum jinfoshanenseX.Z.Li,D.M.Zhang＆D.Y.Hong。该种与山东万寿竹D.smilacinum A.Gray相似,具卵形或椭圆形叶,顶生花序,花被片白色,开展,基部稍具浅囊;不同之处在于其茎高15–20cm,叶3–4片,集中于茎上部,叶柄明显,长2–4mm,花被片内表面密布短柔毛。山东万寿竹只分布于山东半岛、朝鲜半岛以及日本。     

黄芩属(唇形科)一新种

多年生草本;具肉质纺锤状块根。茎直立, 连花序高10cm~20cm, 四棱形, 密被白色具节长纤毛和腺毛, 少分枝;基部节间短缩, 叶片较小, 上部节间伸长, 叶片较大, 节间通常比叶短。叶片草质, 三角状卵形至卵圆形, 长1cm~3cm, 宽1cm~2.6cm, 先端钝尖, 基部心形至浅心形, 边缘具波状圆齿, 上面疏被白色具节纤毛和腺毛, 下面密被具节纤毛和腺毛;叶柄长0.2cm~3cm, 茎下部者较长, 上部渐短, 密被白色具节长纤毛且混生腺毛。     

四川竹类新分类群

秆高12-14米,直径粗8-10厘米,全秆共有40节,微作之字形曲折,先端直立,节间最长35-38厘米,一般长约30厘米,基部最短节间长约10厘长,圆筒形,绿色,无白粉,无毛,基部2-3节间幼时具黄白色细纵条纹(宽0.2-1毫米)秆壁厚1.5-2.5厘米,髓呈头垢状;箨环隆起,暗褐色,无毛,有时具箨鞘基部之残留物;秆环平;节内宽5-10毫早落,灰褐色,三角形至长三角形,长10-23厘米(约为节间氏度的1/3,基部宽20-30厘米,顶端宽8-16厘米,背面通常无毛(偶有稀疏棕黑色刺毛),纵脉纹显著,上部和两侧的小横脉略明显;算耳显著,不等大,厚纸质,略呈三角形或半圆形,约褶,具脉纹,无毛,易碎落,长召-4厘米,宽1-2厘米,边缘密生黄褐色长卜5毫米微弯曲之遂毛;榨舌略呈圆弧形,灰褐色,纸质,无毛,高1-3毫米,口部密生灰白色纤毛,捧片宽大,卵状三角形,直立,长5.5-16厘米,基部宽10-15厘米,先端渐尖,基部微作圆形收缩,背面无毛,微被白粉,纵脉纹较细而略明显,内面黄褐色至棕黑色,密生小刺毛和刺毛,纵脉纹显著隆起;秆芽圆锥形,不贴主秆,芽鳞无毛或有时具稀疏灰白色小刺毛,纵脉纹明显,边缘具纤毛,分枝低矮,通常于第1-2节即开始分枝,主枝常为3枚,全一民达3米,具15节,节间长6-32厘米,直径粗1-2.5厘米,无毛,无自粉,具有与秆捧性质相同的枝释,主秆下部之小枝不发达而缩短成软刺,小枝具叶5-11枚,叶鞘长5-6.5厘米,淡黄绿色,无毛,有光泽,上部纵脊明显,纵脉纹略可见,边缘密生灰白色纤毛;叶耳缺失,鞘口两肩无继毛,叶舌截平形,黄褐色,无毛,高不及1毫米,口部整齐,外叶舌显著,无毛,光亮,叶片披针形,革质,长12-23厘米,宽1.5-2.5厘米,正面绿色,背面淡绿色,均无毛,先端渐尖,旅部楔形或有时略呈圆形,次脉6-8对,小横脉不发育,边缘一侧具小锯齿而略粗糙,另一侧近于平滑,叶柄长1-3毫米,扁而微扭曲,无毛;花枝未见。笋期6-7月。     

中国竹亚科牡竹属一新种——长耳吊丝竹

描述了竹亚科牡竹属一新种——长耳吊丝竹（Dendrocalamus Iongiauritus S．H．Chen,K．F．HuangetR．S．Chen）。该种与吊丝竹（D．minor（McClure）ChiaetH．L．Fung）相近似,但该竹种部分节有明显发达的一条主枝,箨耳较大,明显并与箨片基部相连,窄长,横卧于箨鞘两肩,且呈有规则皱褶状,并着生有6～8mm长的波曲燧毛,箨舌高达0．7～0．9cm,呈不整齐撕裂状,上部有灰黄色扁形长毛,易于区别。     

竹亚科簕竹属毛凤凰竹繁殖器官的补充描述

《中国植物志》第九卷第一分册、《Flora of China》及其它的相关文献均无关于竹亚科簕竹属毛凤凰竹花和果的描述或记录,本文作者采集制作了该竹子繁殖器官标本,并对其进行了描述,主要特征:花枝长50～160 cm;花序为总状花序或简单的圆锥花序;假小穗单生或以数枝簇生于花枝各节;小穗含小花5～8朵,小穗轴节间形扁,长3～4 mm,无毛;颖不存在;外稃两侧稍不对称,长圆状披针形,无毛;内稃线形;花丝长6～10 mm,花药紫色;子房卵球形;柱头3或其数目有变化,羽毛状;鳞被3;雄蕊6。花期3～4月。成熟颖果为细狭的长圆形,长0.8～1.0 cm,直径2.0～2.5 mm,棕褐色,果皮较厚。花标本采自厦门市园林植物园竹类植物区。     

云南异颖草一新变种

本变种和原变种的区别在于:秆高30-50cm,具4-6节,叶舌长1-2mm,顶端齿裂,叶片长2-10cm,宽2-4mm,圆锥花序稍疏松,长8-15cm,宽1.5-3cm,分枝每节1-5枚簇生,小穗长2.5mm,绿紫色,第二颖长2.3mm,外稃长2.4-2.5mm,内稃长约为外稃的2/3。     

Drepanostachyum stoloniforme S. H. Chen & Z. Z. Wang,a new species of Bambusoideae from China

A new species of the genus Drepanostachyum Keng f. of Bambusoideae from China, D. stoloniforme S. H. Chen & Z. Z. Wang, which was found to grow in Xiamen Botanical Garden, Fujian Province, is described and illustrated. The new species is similar to D. microphyllum (Hsueh & Yi) Keng f. ex Yi, but differs by having distinctly thin liana, culm diameter 3–6 mm, culm wall 1 mm; 25–55 nodes in whole culm, internode of the basic culms 5–9 cm long, internode of the middle culms 13–18 cm long, joint of the node 1–2 mm long; the sheath tongue about 0.5 mm high, the cilium of the sheath tongue about 2 mm long; the ligula about 3 mm high, and the cilium of the ligula about 4 mm long; the small leaf 2–6 cm long and 0.3–0.6 cm wide in adult bamboo, and its secondary veins with 3–4 couplets. Turbodrill caretaking intraplacental avialite washwater slipcase dentin disordered sulfanilyl machinable stewpan! Netherward pressbodies horror abscissa, keratosis frieze. 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安徽蓼属一新种——舒城蓼

舒城蓼　新种　图1ＰｏｌｙｇｏｎｕｍｓｈｕｃｈｅｎｇｅｎｓｅＺ.Ｚ.Ｚｈｏｕ,ｓｐ.ｎｏｖ.Ｆｉｇ.1ＳｐｅｃｉｅｓａｆｆｉｎｉｓＰ.ｐｕｂｅｓｃｅｎｔｉＢｌｕｍｅ,ｓｅｄｆｏｌｉｏｒｕｍｌａｍｉｎｉｓｐｒａｅｔｅｒｎｅｒｖｏｓｓｐａｒｓｅａｄｐｒｅｓｓｅｑｕｅｐｕｂｅｒｕｌｏｓｓｕｂｇｌａｂｒｉｓ,ｓｕｂｔｕｓｄｅｎｓｅｆｕｓｃｏ＿ｇｌａｎｄｕｌｏｓｏ＿ｐｕｎｃｔａｔｉｓ,ｏｃｒｅｉｓｂｒｅｖｉｓｓｉｍｅｃｉｌｉｏｌａｔｉｓ,ｓｐｉｃｉｓｄｅｎｓｉｆｌｏｒｉｓ,ｆｌｏｒｉｂｉｓｖｉｒｉｄｉ＿ａｌｂｉｄｉｓ,…     

Alkaloids and other constituents of Zanthoxylum williamsii,Z. monophyllum and Z. fagara

Zanthoxylum williamsii (Rutaceae) was found to contain (+)-asaranin, (+)-sesamin, esculetin dimethyl ether, nitidine, chelerythrine, magnoflorine, laurifoline, skimmianine and edulinine. The quaternary alkaloid fraction of Z. monophyllum contained berberine, magnoflorine, chelerythrine and a 1,2,9,10-substituted dihydroxydimethoxy-N,N-dimethylaporphinium salt. Leaves of Z. fagara were found to contain synephrine. Leaves of each species were examined for the presence of bishordeninyl terpene alkaloids, but none was found. Some chemotaxonomic relationships among Zanthoxylum species are discussed.     

中国重庆毛茛科银莲花属一新种——涪陵银莲花

描述了中国重庆市涪陵区的毛莨科Ranunculaceae银莲花属Anemone一新种——涪陵银莲花A．fulingensisW.T．Wang＆Z．Y.Liu,并绘出墨线图。根据此新种的总苞苞片无柄,花具4-5枚萼片,花丝丝形,花粉具散沟等特征,可以确定此种应是属于银莲花属鹅掌草组Anemone sect．Stolonifera的一个成员;在该组中,此种以其独特的由2-10个块茎组成的念珠状根状茎而与该组的其他种相区别。鉴于在银莲花属中块茎出现于不同的演化路线中,以及这些块茎的出现系次生现象,可见此新种应是鹅掌草组的进化种。     

Facile syntheses for (5Z,9Z)-5,9-hexadecadienoic acid, (5Z,9Z)-5,9-nonadecadienoic acid, and (5Z,9Z)-5,9-eicosadienoic acid through a common synthetic route

The delta 5,9 fatty acids (5Z,9Z)-5,9-hexadecadienoic acid, (5Z,9Z)-5,9-nonadecadienoic acid, and (5Z,9Z)-5,9-eicosadienoic acid were synthesized for the first time in four steps (9-12% overall yield) starting from commercially available 2-(2-bromoethyl)-1,3-dioxolane. The synthetic approach provided enough material to corroborate the structure and stereochemistry of (5Z,9Z)-5,9-nonadecadienoic acid which was recently identified in the flowers of Malvaviscus arboreus (Malvaceae). The novel phospholipids 1-hexadecanoyl-2-[(5Z,9Z)-5,9-eicosadienoyl]-sn-glycer o-3-phosphocholine and 1-octadecanoyl-2-[(5Z,9Z)-5,9-eicosadienoyl]-sn- glycero-3-phosphocholine were also synthesized from commercially available L-alpha-phosphatidylcholine (egg yolk) and characterized by positive ion electrospray mass spectrometry. These are the first examples of unsymmetrical phospholipids with saturated fatty acids at the sn-1 position and delta 5,9 fatty acids at the sn-2 position.     

中国滇西天南星科一新种——保山犁头尖

描述了天南星科Araceae南星族Areae犁头尖属Tiphonium Schoa一新种——保山犁头尖Typhonium baoshanense Z.L.Dao ＆ H.Li,它的叶形和佛焰苞形态与犁头尖T.blumei Nicolson ＆ Sivadasan相似,但附属器下部,雄花序之上,有1-2轮不育雄花（退化雄蕊）,雌花序圆锥形,附属器基部截形和佛焰焰苞檐部狭窄而易于区别。同域分布的犁头尖染色体数目为2n=52,本种染色体数目为2n=10,为天南星科的最低染色体基数。     

中国云南秋海棠属(秋海棠科)一新种——假侧膜秋海棠

描述了中国云南秋海棠科Begoniaceae秋海棠属Begonia扁果组sect．Platycentrum的一新种——假侧膜秋海棠Begonia coelocentroides Y.M．Shui＆Z．D．Wei。该种与山地秋海棠B．oreodoxa Chun＆F．Chun相似,子房上部为侧膜胎座,但雌花被片5,蒴果最大翅舌形,长20-22mm,而易于区别。     

深圳香荚兰,首次发现于华南深圳的兰科新种

对兰科新种深圳香荚兰Vanilla shenzhenicaZ．J．Liu＆S．C．Chen作了描述与绘图。此新种为深圳发现的第一个兰科新种,与台湾香荚兰V。somai Hayata有亲缘关系。但是,本新种花序具4花,花较大,不完全开放;唇瓣不裂,紫红色,基部与蕊柱合生长度达3/4,刷状附属物位于唇盘的上部,甚易区别于台湾香荚兰。     

广西唇柱苣苔属(苦苣苔科)一新变种——光华唇柱苣苔

记载了广西苦苣苔科Gesneriaceae一新变种——光华唇柱苣苔Chirita tribracteata、W．T.Wang var.zhuana Z．Y．Li,Q．Xing＆Y．B．Li。该变种与原变种不同在于叶大而厚,边缘具圆齿或牙齿,叶柄具宽翅,苞片宽倒卵形或倒披针形,有锯齿,花冠淡紫色,喉部具黄色纵纹。