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1.
广西苦苣苔科一新属——文采苣苔属   总被引:1,自引:0,他引:1  
描述了在广西发现的苦苣苔科一新属和一新种,即文采苣苔属Wentsaiboea D. Fang & D. H. Qin及文采苣苔W. renifolia D. Fang & D. H. Qin, 并提供墨线图。文采苣苔属的柱头外形略似长檐苣苔属Dolicholoma D. Fang & W. T. Wang, 不同在于前者叶肾形,基部心形,具掌状脉,花冠斜钟状,裂片圆形,雄蕊和退化雄蕊着生于冠筒近基部。新属在体态上还接近小花苣苔属Chiritopsis W. T. Wang, 但前者叶具掌状脉,冠筒钟状,远轴侧膨胀,柱头马蹄形;在后者叶具羽状脉,冠筒筒状,不膨胀,柱头下唇倒梯形至线形。  相似文献   

2.
报道了在中国广西发现的苦苣苔科一新属即方鼎苣苔属Paralagarosolen Y. G. Wei 和一新种方鼎苣苔P. fangianum Y. G. Wei。方鼎苣苔属与细筒苣苔属Lagarosolen W. T. Wang近缘,它们的共同特征是花筒细筒状,不肿胀,柱头2;不同点是方鼎苣苔属叶基部有时盾状,聚伞花序具1朵花,花冠裂片顶端圆钝,蒴果宽卵状椭圆球形。  相似文献   

3.
广西秋海棠属(秋海棠科)4新种   总被引:1,自引:0,他引:1  
描述了广西秋海棠属(秋海棠科) 的侧膜胎座组和秋海棠组4新种。  相似文献   

4.
A new species of Gesneriaceae, Paraboea guilinensis L. Xu & Y. G. Wei, is described from Guangxi, China. The new species is similar to P. crassifolia (Hemsl.) Burtt in its habit and leaf form, but differs by its leathery leaves, glabrous peduncles, pedicels and calyx, distinctly bilabiate corollas, and capsules not spirally twisted.  相似文献   

5.
Paralagarosolen fangianum Y. G. Wei, a new genus and species of Gesneriaceae from Guangxi, China, is described and illustrated. Paralagarosolen Y. G. Wei is closely related to Lagarosolen W. T. Wang in having corolla tube cylindric, not swollen, and stigmas 2, but differs by having leaves sometimes peltate at base, cyme with only one flower, corolla lobes rounded-obtuse at apex, and capsule broadly ovoid-ellipsoid.  相似文献   

6.
A new species of Gesneriaceae, Hemiboea rubribracteata Z. Y. Li & Yan Liu, is described from Guangxi, China. The new species is similar to H. cavaleriei Lévl. in its leaf form, but differs by its robust and rigid stem, red involucre, longer calyx lobes, corolla white and glabrous outside, lower lip of corolla 3-lobed to middle. Key words Hemiboea, Hemiboea rubribracteata Z. Y. Li & Yan Liu, Gesneriaceae, new species, Guangxi, China.  相似文献   

7.
报道了广西苦苣苔科植物一新记录属——报春苣苔属,该属为中国特有的单型属,仅报春苣苔一种。报春苣苔分布狭域,数量稀少,已被列为国家一级重点保护植物。报春苣苔在广西境内仅知一个分布点,对其野外种群进行了实地调查。  相似文献   

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9.
Impatiens macrovexilla Y. L. Chen var. yaoshanensis S. X. Yu, Y. L. Chen & H. N. Qin, a new variety of Balsaminaceae from Guangxi, China, is described. Variety yaoshanensis differs from the typical variety by having ovate-orbicular or ovate-oblong leaves, entire lateral sepals, an obvious auricle and entire distal lobe of the alae and visibly ridged seeds. Micromorphological characters of the pollen grains and seed surface under SEM of the two varieties also support the recognition of this taxon.  相似文献   

10.
中国广西苦苣苔科一新种--灵川小花苣苔   总被引:1,自引:0,他引:1  
报道了在广西岩溶洞穴发现的苦苣苔科Gesnenaceae小花苣苔属Chiritopsis一新种——灵川小花苣苔C.lingchuanensis Yah Liu&Y.G.Wei。本种因聚伞花序花稀疏,花冠白色,明显二唇形,上唇比下唇短3倍以上,退化雄蕊3而与羽裂小花苣苔C.bipinnatifida W .T.Wang相近,区别在于前者叶不裂,雄蕊被短柔毛。本种在叶形上还与小花苣苔C.repandaw T.Wang相近,不同在于后者花冠不明显二唇形,上下唇近等长,雄蕊无毛,退化雄蕊2。灵川小花苣苔的分布范围狭窄,目前仅见于一个岩溶洞穴的近洞口段,具明显的洞生习性。  相似文献   

11.
记载了广西苦苣苔科一新变种——翅茎半蒴苣苔Hemiboea subcapitata Clarke var. pterocaulis Z. Y. Li。该变种与原变种不同在于茎具翅,花期较早。  相似文献   

12.
Pseudochirita guangxiensis (S. Z. Huang) W. T. Wang var. glauca Y. G. Wei & Yan Liu, a new variety of the Gesneriaceae from Guangxi, China, is described. It differs from the typical one, var. guangxiensis by having leaves subentire or with only inconspicuous obtuse serrations, stem and leaves densely adpressed tomentose, and corolla sparsely glandular puberulous outside.  相似文献   

13.
14.
广西苦苣苔科稀有珍贵植物——弥勒苣苔   总被引:1,自引:0,他引:1  
首次报道广西苦苣苔科植物一新记录属:弥勒苣苔属.该属接近金盏苣苔属,但不同在于弥勒苣苔属花冠上唇4浅裂,下唇不分裂,2对雄蕊分别着生于花冠中部及其上方,雌蕊具一个柱头.弥勒苣苔属为中国特有的单型属,仅弥勒苣苔一种,分布于云南东南部和广西西部.该种在广西首次记录,凭证标本存放于广西植物标本馆(IBK).  相似文献   

15.
16.
该文报道了中国苦苣苔科(Gesneriaceae)一新记录属——四轮苣苔属(Tetraphyllum Griff. ex C. B. Clarke)。该新记录属,即四轮苣苔属仅有3种,其中密花四轮苣苔[T. confertiflorum(Drake)B. L. Burtt]在我国首次记录。该研究提供了该属的形态描述和分种区别特征,并提供了该种的详细形态描述及彩色照片。凭证标本馆藏于广西植物研究所标本馆(IBK)和上海辰山植物标本馆(CSH)。  相似文献   

17.
描述了中国广西凤仙花科Balsaminaceae凤仙花属Impatiens一新变种——瑶山凤仙花I. macrovexilla var. yaoshanensis S. X. Yu, Y. L. Chen & H. N. Qin。该变种与原变种不同在于叶卵圆形或卵状矩圆形, 侧生萼片全缘, 翼瓣的上部裂片全缘, 翼瓣背部的小耳明显, 此外花粉形态和种皮纹饰等性状也支持该变种的建立。  相似文献   

18.
报道了贵州金盏苣苔属Isometrum一新种,即万山金盏苣苔I.wanshanenseS.Z.He。该种以花序梗、花梗被褐色长柔毛至近无毛,花冠细筒状,紫色,喉部不缢缩,上唇稍长于下唇,雄蕊及雌蕊均无毛而与柔毛金盏苣苔I.villosumK.Y.Pan相近缘,但叶具柄,柄长0.4–1.4cm,叶片较小,倒披针形,长1.5–4×0.5–1.6cm,聚伞花序具1–4朵花,花萼裂片外面近无毛或近顶端疏被褐色长柔毛,花柱与子房近等长而不同。  相似文献   

19.
报道了在广西柳州市市区附近一岩溶洞穴发现的苦苣苔科唇柱苣苔属一新种,并命名为李氏唇柱苣苔。本种与寿城唇柱苣苔及百寿唇柱苣苔相近,与寿城唇柱苣苔的主要区别在于植株体形、叶和花较大,叶为长卵状椭圆形或椭圆形,叶缘具锯齿,每花序1-3花,退化雄蕊3而与之不同;与百寿唇柱苣苔的区别主要在于叶缘具锯齿,每花序仅1-3花,花药背部密生紫色髯毛,退化雄蕊3而不同。  相似文献   

20.
Roscoea cangshanensis M. H. Luo, X. F. Gao & H. H. Lin, a new species of the Zingiberaceae from Yunnan, China, is described and illustrated. The new species is related to R. forrestii Cowley in habit, but differs in having 2-lobed labellum, each lobe 2-lobulate, base narrowed to a stalk with white lines, and narrower leaf blade, (2–)7–24×1.5–2.5 cm, with base narrow to petiole-like. The new species is also similar to R. debilis Gagnep. in having leaf base narrow to petiole-like, labellum obovate-cuneate, 2.5–3.5×2.5–3.0 cm, with white lines at throat, but differs in having bracts non-tubular, shorter, 5–15 mm long, concealed in leaf sheaths, corolla tubes longer, 10–12.5 cm long, labellum 2-lobed with each lobe further 2-lobulate.  相似文献   

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