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滇南芋 Colocasia antiquorum Schott

目前为止,中国西南野生生物种质资源库共保藏该物种: DNA材料4份; DNA4份;

  • 科:天南星科    Araceae
  • 属:芋属   Colocasia
  • 种:滇南芋   Colocasia antiquorum

1形状描述

4. Colocasia antiquorum Schott in Schott & Endlicher, Melet. Bot. 18. 1832. 滇南芋 dian nan yu Colocasia esculenta (Linnaeus) Schott var. antiquorum (Schott) F. T. Hubbard & Rehder; C. fontanesii Schott; C. gaoligongensis H. Li & C. L. Long; C. gongii C. L. Long & H. Li; C. lihengiae C. L. Long & K. M. Liu; C. tonoimo Nakai.Herbs, perennial, terrestrial, with stolons (stoloniferous runners) and a usually erect rhizome. Rhizome 120-135 × 12-18 cm; stolons (stoloniferous runners) 6-12, trailing horizontally, pale green to pale purple, simple, thin, 70-80 × ca. 0.5 cm; internodes cylindric, 15-25 cm, without tubercles. Leaves 4-8 together; petiole light green to reddish purple, 55-140 cm, sheathing in basal 1/2; leaf blade pale green or yellow-green abaxially, sometimes with a purple margin, green or yellow-green adaxially, glossy and wettable (water forming an even coating), peltate, ovate-cordate to sagittate-cordate, 30-80 × 18-70 cm, membranous; primary lateral veins 5-9, pale green or purple, interprimary veins inconspicuous. Inflorescences 3-5(or 6); peduncle green or purple, cylindric or subtrigonous, shorter than petioles, 40-70 × 1.5-2 cm. Spathe constricted between tube and blade; tube yellowish green or purple, oblong, 4-12 × 1.4-4.5 cm, subcylindric; limb convolute at base, suberect to reflexed, golden yellow, sometimes with purple margin, oblong, oblong-lanceolate, or obovate, 7-24 × 4-14 cm, apex obtuse or acute. Spadix sessile, shorter than spathe; female zone golden yellow, cylindric, 2-3 × 0.3-0.75 cm, ca. 1/2 as long as spadix, with a few yellow interpistillar staminodes; female flowers obovoid; ovary 1-loculed; placentae 2; stigma sessile or subsessile, disciform, 6-lobed; sterile zone whitish, cylindric, 1-5 × 0.3-1.8 cm; synandrodes depressed obpyramidal; male zone yellow, cylindric, 3.5-14 × 0.4-1.5 cm; synandria 3-10-androus, yellow, 1-2 mm; appendix absent or erect, narrowly conic, ca. 5 cm. Fruit not seen. Fl. May-Sep. 2n = 28.Dense rain forests, evergreen broad-leaved forests, and forest margins in valleys in limestone areas, along streams in evergreen broad-leaved forests, moist shaded thickets; 600-1200 m. S and W Yunnan (Mengla, Tengchong, Yingjiang) [NE India, N Laos, N Myanmar, N Thailand].【引自:Flora of China】

湿生草本。块茎球形,有多数须根;匍匐茎常从块茎基部外伸,长或短,具小球茎。叶柄肥厚,直立,长可达1.2米;叶片薄革质,表面略发亮,盾状卵形,基部心形,长达50厘米以上;前裂片宽卵形,锐尖,长稍胜于宽,I级侧脉4-8对;后裂片卵形,钝,长约为前裂片的1/2,2/3-3/4甚至完全联合,基部弯缺为宽钝的三角形或圆形,基脉相交成30-40度的锐角。花序柄比叶柄短许多。佛焰苞苍黄色,长15-25厘米:管部淡绿色,长圆形,为檐部长的1/2-1/5;檐部狭长的线状披针形,先端渐尖。肉穗花序短于佛焰苞:雌花序与不育雄花序等长,各长2-4厘米;能育雄花序和附属器各长4-8厘米。子房具极短的花柱。 【引自:中国植物志】

2分布信息

采集编号 国家 区县 详情
GLGS17977 中国 云南省 保山市 龙陵县 详细
GLGS12115 中国 云南省 怒江傈僳族自治州 贡山独龙族怒族自治县 详细
13CS7791 中国 云南省 德宏傣族景颇族自治州 盈江县 详细
18CS16824 中国 西藏自治区 林芝地区 墨脱县 详细

3DNA样品信息

序列号 采集编号 保藏类型 份数 保藏温度 提取方法 数据来源
41626 13CS7791 DNA 4 -80℃ 改良CTAB法 DNA库
  • 数据统计

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  • 创建者:种质资源库
  • 最近更新:2021年1月22日