眼树莲属(学名:**')是龙胆目夾竹桃科中的一个属,目前已知的它有约80个种。
属名Dischidia源于希腊语dischidia,意为“开裂的”,指花冠裂片2裂。
特征
眼树莲属的植物大多数是草本或者多肉著生爬藤植物,少数生长和爬行在石头上。它们多有明显的附加根。根均生长在节上。藤的直径在1至4毫米间,上面被有粗糙的毛。乳胶白色。叶成对生长在茎的两侧,或者交替生长,柄短。叶的形状按照种不同,有长椭圆形的、圆形的、倒尖形的、盾形的。有的种叶很薄,不多肉,也有皮质或者厚而多肉的。特别有些种的叶呈袋状或管状,里面慢慢堆积土壤,然后会有附加根生长进去。
眼树莲属的花序往往如同葡萄,或者是螺旋式的,或者分数个亚花序。每束花上开许多花,但是大多数种不是同时开花,只有少数种是同时开花的。往往多少有一花轴,少数种有多个花轴。花梗很短,或者完全没有。花瓣窄,呈罐状,往往非常小(仅数毫米),但也有些种是钟状和比较大的。大多数种的花是白色、淡绿色、淡黄色、奶油色、淡红色、深红色至棕绿色的。许多种的花即使在开花的时候也关闭着,也有些种则大大开放。花萼是环状的,也有些呈五个尖端,花萼的尖端和花瓣的尖端交替。也有些种完全没有花萼。大多数种的雄蕊躺着或有柄,其花粉囊是锥状的。花粉是长椭球状的。果实瘦长,如同纺锤,在末端是尖的,截面是圆的,有些种有点扁。它们或成对或单一。钟子是棕色的,发匾,长状或椭球状,在一段有一簇白毛。
眼树莲属植物的染色体数为22个。
分布和生活环境
眼树莲属的物种生活在东南亚(中国南部、菲律宾、斯里兰卡、泰国、越南、老挝、印度尼西亚、马来西亚和印度)、澳大利亚、大洋洲和新几内亚。它们生长在热带或亚热带雨林中,最高可达海拔2000米
||Dischidia asperifolia |Schltr.
||Dischidia astephana |Scort. ex King & Gamble
||Dischidia atropurpurea |Schltr.
|尖叶眼树莲 |Dischidia australis |Tsiang & P.T.Li
||Dischidia baeuerlenii |Schltr., 1908
||Dischidia bengalensis |Colebr.
||Dischidia bisetulosa |Schwartz
||Dischidia boholensis |(Schltr.) Livsh.
||Dischidia bulacanensis |Kloppenb., G.Mend. & Ferreras
||Dischidia calva |Kerr
||Dischidia carinata |(Schltr.) Arshed, Agoo & Rodda
|眼树莲 |Dischidia chinensis |Champion ex Benth.
|云南眼树莲 |Dischidia chinghungensis |
||Dischidia cleistantha |Livsh.
||Dischidia clemensiae |Schltr.
||Dischidia cochleata |Blume
|贝壳叶眼树莲 |Dischidia collyris |
||Dischidia cominsii |Hemsl.
||Dischidia complex |Griff.
||Dischidia copelandii |(Schltr.)
||Dischidia cornuta |Livsh.
||Dischidia crassifolia |Zipp. ex Schltr.
||Dischidia crassula |Schltr.
||Dischidia cyclophylla |Schltr.
||Dischidia cylindrica |W.W.Sm.
||Dischidia dasyphylla |Schltr.
||Dischidia deschampsii |King & Gamble
||Dischidia digitiformis |Becc.
||Dischidia diphylla |Elmer
||Dischidia dohtii |T.B.Tran & Livsh.
||Dischidia dolichantha |Schltr.
||Dischidia elmei |Schltr.
||Dischidia elmeri |Schltr.
||Dischidia ericiflora |Becc.
|台湾眼树莲 |Dischidia formosana |Maxim.
||Dischidia fruticulosa |Ridl.
||Dischidia galactantha |K.Schum.
||Dischidia gibbifera |Schltr.
||Dischidia glabrata |Arshed & Tandang
|倒卵叶眼树莲 |Dischidia griffithii |Hook.fil.
||Dischidia hahliana |Volkens
||Dischidia hirsuta |(Blume) Decne.
||Dischidia hirta |Decne.
||Dischidia hollrungii |Warb. ex K.Schum. & Lauterb.
||Dischidia hollrungii |Warb., 1907
||Dischidia hoyella |Omlor
||Dischidia imberbis |(Schltr.)
|复瓦叶树眼莲 |Dischidia imbricata |(Blume) Steud.
||Dischidia immortalis |Guillaumin
||Dischidia incrassata |(Schltr.) Arshed, Agoo & Rodda
||Dischidia indragirensis |Schltr.
||Dischidia insularis |Schltr.
||Dischidia kerrii |Kidyoo & Suddee
||Dischidia khasiana |Hook.fil.
||Dischidia kutcinensis |Becc., 1886
||Dischidia lanceolata |(Blume) Decne.
||Dischidia lancifolia |Merr.
||Dischidia latifolia |(Blume) Decne.
||Dischidia lauterbachii |K.Schum. ex K.Schum. & Lauterb.
||Dischidia listerophora |Schltr.
||Dischidia litoralis |Schltr.
||Dischidia livida |Elmer
||Dischidia longe-pedunculata |Ridl.
||Dischidia longiflora |Becc.
||Dischidia longifolia |Becc.
||Dischidia longipedunculata |Ridl.
||Dischidia lutescens |Zipp. ex Spanowski
||Dischidia luzonica |(Schltr.) Arshed, Agoo & Rodda
||Dischidia major |(Vahl) Merr.
||Dischidia mariae |(Schltr.) Arshed, Agoo & Rodda
||Dischidia melanesica |Fosberg
||Dischidia meleagridiflora |Schwartz
||Dischidia merrillii |Schltr.
||Dischidia micholitzii |N.E.Br.
||Dischidia micrantha |Becc.
||Dischidia milnei |Hemsl.
||Dischidia miniata |Elmer ex Merr.
||Dischidia myrtillus |Schltr.
||Dischidia neurophylla |Lauterb. & K.Schum.
||Dischidia nicobarica |Didr.
|圆叶眼树莲 |Dischidia nummularia |R.Br.
||Dischidia oblongata |Arshed, Agoo & Rodda
||Dischidia obovata |Decne.
||Dischidia oiantha |Schltr.
||Dischidia ovata |Benth.
||Dischidia oxyphylla |Miq.
||Dischidia papuana |Warb.
||Dischidia parasitica |(Blanco) Arshed, Agoo & Rodda
||Dischidia parvifolia |Ridl.
||Dischidia peltata |Blume
||Dischidia phuphanensis |Chatan & Promprom
||Dischidia picta |Blume
|宽叶树眼莲 |Dischidia platyphylla |Schltr.
||Dischidia polilloensis |Kloppenb.
||Dischidia polyphylla |Ridl.
||Dischidia pseudobenghalensis |Costantin
||Dischidia puberula |Decne.
||Dischidia pubescens |Ridl.
||Dischidia punctata |(Blume) Decne.
||Dischidia purpurea |Merr.
||Dischidia quinquangularis |Schltr.
||Dischidia ramosii |(Schltr.)
||Dischidia reniformis |Schltr.
||Dischidia retusa |Becc.
||Dischidia rhodantha |Ridl.
||Dischidia rhombifolia |Blume
||Dischidia rimicola |Kerr
||Dischidia rosea |Schltr.
||Dischidia roseoflavida |Schltr.
||Dischidia rumphii |Miq.
||Dischidia ruscifolia |Decne. ex Becc.
外部链接
- [http://www.dischidia.com/Dischidia_Info.htm www.Dischidia.com]
评论 (0)