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木藤蓼Polygonum baldschuanicum

时间:2013-10-30 14:06来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):木藤蓼 学名( Scientific Name ): Polygonum baldschuanicum Regel 英文名( English Common Name ): Bukhara fleeceflower 别名( Chinese Common Name ): 奥氏蓼 异名( Synonym ): Bilderdykia aubertii (L. Henry) M
中文名(Chinese Name):木藤蓼
学名(Scientific Name):Polygonum baldschuanicum Regel
英文名(English Common Name):Bukhara fleeceflower
别名(Chinese Common Name):奥氏蓼
异名(Synonym):Bilderdykia aubertii (L. Henry) Moldenke  Polygonum aubertii L. Henry  Tiniaria aubertii (L. Henry) Hedberg ex Janch.  Reynoutria aubertii (L. Henry) Moldenke
科属(Family & Genus):蓼科(Polygonaceae)何首乌属
形态特征(Description):半灌木。茎缠绕,长1-4米,灰褐色,无毛。叶簇生稀互生,叶片长卵形或卵形,长2.5-5厘米,宽1.5-3厘米,近革质,顶端急尖,基部近心形,两面均无毛;叶柄长1.5-2.5厘米;托叶鞘膜质,偏斜,褐色,易破裂。花序圆锥状,少分枝,稀疏,腋生或顶生,花序梗具小突起;苞片膜质,顶端急尖,每苞内具3-6花;花梗细,长3-4毫米,下部具关节;花被5深裂,淡绿色或白色,花被片外面3片较大,背部具翅,果时增大,基部下延;花被果时外形呈倒卵形,长6-7毫米,宽4-5毫米;雄蕊8, 比花被短,花丝中下部较宽,基部具柔毛;花柱3,极短,柱头头状。瘦果卵形,具3棱,长3.5-4毫米,黑褐色,密被小颗粒,微有光泽,包于宿存花被内。花期7-8月,果期8-9月。
分布(Distribution):产内蒙古、山西、河南、陕西、甘肃、宁夏、青海、湖北、四川、贵州、云南及西藏。生于海拔900-3200米山坡草地、山谷灌丛。
用途(Use):
引自中国植物志英文版:FOC Vol. 5 Page 317     
Fallopia aubertii (L. Henry) Holub, Folia Geobot. Phytotax. 6: 176. 1971.
木藤首乌 mu teng shou wu| Polygonaceae  | Fallopia
Polygonum aubertii L. Henry, Rev. Hort. 79: 82. 1907; Bilderkykia aubertii (L. Henry) Moldenke; Reynoutria aubertii (L. Henry) Moldenke; Tiniaria aubertii (L. Henry) Hedberg ex Janchen.
Subshrubs. Stems twining, gray-brown, 1-4 m, glabrous. Leaves clustered, rarely solitary; petiole 1.5-2.5 cm; leaf blade narrowly ovate or ovate, 2.5-5 × 1.5-3 cm, both surfaces subleathery, glabrous, base subcordate, margin entire, apex acute; ocrea brown, membranous, oblique, dehiscent. Inflorescence axillary or terminal, paniculate, few branched; peduncle papillate; bracts membranous, apex acute, each 3-6-flowered. Pedicel 3-4 mm, slender, base articulate. Perianth greenish or white, 5-parted; tepals elliptic, outer 3 larger, accrescent and winged on abaxial surface in fruit; wings decurrent below to pedicels; fruiting perianth obovate, 4-5 mm in diam. Stamens 8; filaments dilated below middle, base pubescent. Styles 3, very short; stigmas capitate. Achenes included in persistent perianth, black, slightly shiny, ovoid, trigonous, 3.5-4 mm, densely minutely granular. Fl. Jul-Aug, fr. Aug-Sep.
* Slopes, thickets in valleys; 900-3200 m. Gansu, Guizhou, Henan, Hubei, ?Hunan, Nei Mongol, Ningxia, Qinghai, Shaanxi, Shanxi, Sichuan, Xizang, Yunnan.
One of us (Park) notes that this could be conspecific with Fallopia baldschuanica (Regel) Holub (see Bailey & Stace, Pl. Syst. Evol. 180: 29–52. 1992).
 




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