栏目

圆锥乌头Aconitum paniculigerum Nakai

圆锥乌头Aconitum paniculigerum Nakai

科名:毛茛科 Ranunculaceae

属名:乌头属 Aconitum

《中国植物志》第27卷273页
  111.圆锥乌头(东北草本植物志)图版59:1-3;图版62:4
  Aconitum paniculigerum Nakai in Bot. Mag. Tokyo 34: 41. 1920. ——A. paniculigerum var. leiocarpum Nakai ex Kitag. in Rep. Sci. Res. Manch. 1: 322. 1937;东北草本植物志3: 147, 图版63, 图1-5. 1975.——A. paniculigerum var. leiogynum Nakai f. glabrescens Nakai in Journ. Jap. Bot. 13: 397. 1937.——A. subalpinum Baranov in Acta Soc. Harbin Inv. Nat. Ethnogr. 12: 30, f. 20-24. 1954.
  块根倒圆锥形,长2-3厘米。茎高70-100厘米,无毛,上部分枝。茎下部叶在开花时枯萎。茎中部叶有长柄;叶片形状似北乌头,心状五角形,长10-15厘米,宽13-16厘米,三全裂,中央全裂片菱形,渐尖,近羽状深裂,深裂片有少数三角形至披针形的小裂片,侧全裂片不等二裂近基部,表面有稀疏短伏毛,背面无毛;叶柄长约6厘米,无毛。花序圆锥状;花梗长3-5.5厘米,和花序轴均有开展的短柔毛;小苞片狭线形,长约5厘米;萼片紫蓝色,外面疏被短柔毛,上萼片高盔形,高1.6-1.8厘米,下缘直或凹,喙向下展出,侧萼片宽倒卵形;花瓣无毛,唇长约4毫米,末端二浅裂,距长约2.5毫米,向后弯曲,末端稍拳卷;雄蕊无毛,花丝全缘;心皮(3-)5,无毛。蓇葖长约1.1厘米;种子长约2毫米,有横膜翅。8-9月开花。
  在我国分布于辽宁东南部、吉林东部。生海拔600-1200米间山地林边或林中。在朝鲜也有分布。
  本种近北乌头A. kusnezoffii,但花序有密的开展柔毛,上萼片较高,常有较长的喙可以区别。疏毛圆锥乌头 A. paniculigerum var. wulingense的花序只在花梗上部有开展的毛,其他部分无毛,可能是圆锥乌头与北乌头之间的过渡类型。

《Flora of China》 Vol. 6 (2001)
Aconitum paniculigerum  Nakai
圆锥乌头   yuan zhui wu tou
Caudex obconical, 2--3 cm. Stem 70--100 cm, apically branched, glabrous. Proximal cauline leaves withered at anthesis; middle ones long petiolate; petiole ca. 6 cm, glabrous; leaf blade cordate-pentagonal, 10--15 × 13--16 cm, abaxially glabrous, adaxially sparsely appressed pubescent, 3-sect; central segment rhombic, apex acuminate, subpinnately parted; lateral segments obliquely flabellate, unequally 2-parted. Inflorescence conical, many flowered; rachis and pedicels spreading pubescent; proximal bracts 3-fid, others linear. Pedicels 3--5.5 cm, with 2 bracteoles near middle; bracteoles narrowly linear, ca. 5 mm. Sepals purple-blue, abaxially sparsely pubescent; lower sepals oblong; lateral sepals broadly obovate; upper sepal high galeate, 1.6--1.8 cm high, lower margin erect or concave. Petals glabrous; lip ca. 4 mm, 2-lobed at apex; spur incurved, slightly circinate at apex, ca. 2.5 mm. Stamens glabrous; filaments entire. Carpels (3--)5, glabrous. Follicles ca. 1.1 cm. Seeds ca. 2 mm. Fl. Aug--Sep.
Forests, forest margins, grassy spoils; 600--1500 m. NE Hebei, E Jilin, SE Liaoning [Korea].

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