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聚合草Symphytum officinale

时间:2013-07-18 07:43来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):聚合草 学名( Scientific Name ): Symphytum officinale L. 英文名( English Common Name ): common comfrey 别名( Chinese Common Name ): 友谊草 异名( Synonym ): Symphytum uliginosum Kern.;Symphytum officina








中文名(Chinese Name):聚合草
学名(Scientific Name):Symphytum officinale L.
英文名(English Common Name):common comfrey
别名(Chinese Common Name):友谊草
异名(Synonym):Symphytum uliginosum Kern.;Symphytum officinale subsp. uliginosum (Kern.) Nyman
科属(Family & Genus):紫草科(Boraginaceae)聚合草属
形态特征(Description):丛生型多年生草本,高30-90厘米,全株被向下稍弧曲的硬毛和短伏毛。根发达、主根粗壮,淡紫褐色。茎数条,直立或斜升,有分枝。基生叶通常50-80片,最多可达200片,具长柄,叶片带状披针形、卵状披针形至卵形,长30-60厘米,宽10-20厘米,稍肉质,先端渐尖;茎中部和上部叶较小,无柄,基部下延。花序含多数花;花萼裂至近基部,裂片披针形,先端渐尖;花冠长14-15毫米,淡紫色、紫红色至黄白色,裂片三角形,先端外卷,喉部附属物披针形,长约4毫米,不伸出花冠檐;花药长约3.5毫米,顶端有稍突出的药隔,花丝长约3毫米,下部与花药近等宽;子房通常不育,偶而个别花内成熟1个小坚果。小坚果歪卵形,长3-4毫米,黑色,平滑,有光泽。花期5-10月。
分布(Distribution):产俄罗斯,生于山林地带。我国广泛栽培。
用途(Use):茎叶可作家畜青饲料。本种由于长期人工栽培,产生很多变异,我国现在栽培的为本种的三个园艺品种。
引自中国植物志英文版FOC Vol. 16 Page 359
Symphytum officinale Linnaeus, Sp. Pl. 1: 136. 1753.
聚合草 ju he cao| Boraginaceae  | Symphytum
Herbs forming tussocks, 30-90 cm tall, arcuate hispid, short strigose. Main roots purplish brown, stout. Stems erect or ascending, branched. Basal leaves long petiolate, lorate-lanceolate to ovate, 30-60 × 10-20 cm, apex acuminate; middle and upper stem leaves sessile, smaller, base decurrent. Inflorescences many flowered. Calyx parted nearly to base; lobes lanceolate, apex acuminate. Corolla light purple, purple-red, or yellowish white, 1.4-1.5 cm; throat appendages ca. 4 mm, not exserted beyond limb; lobes triangular, apex revolute. Filaments ca. 3 mm; lower part nearly as wide as anthers; anthers ca. 3.5 mm, apex with somewhat prominent connective. Ovary usually sterile, occasionally only 1 mericarp develops in a few flowers. Nutlets black, oblique ovoid or ovoid, 3-4 mm, smooth, shiny. Fl. May-Oct. 2n = 24 + 0-4b, 26, 32-45*, 46-48, 56.
Forests. Fujian, Hebei, Liaoning, Taiwan, Xinjiang [Kazakhstan, Kyrgyzstan, Russia, Tajikistan, Turkmenistan, Uzbekistan; Europe]
(责任编辑:徐晔春)
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