学名(拉丁名) | Ligularia brassicoides |
中文名 | 芥形橐吾 |
命名人 | Hand.-Mazz. |
中文科名 | 菊科 |
拉丁属名 | Ligularia |
类型 | species |
拉丁科名 | Compositae |
中文属名 | 橐吾属 |
学名(拉丁名) | Ligularia brassicoides |
命名人 | Hand.-Mazz. (accepted name) |
拉丁属名 | Ligularia |
类型 | species |
拉丁科名 | Asteraceae |
学名(拉丁名) | Ligularia brassicoides |
中文名 | 芥形橐吾 |
拉丁属名 | Ligularia |
类型 | species |
拉丁科名 | Asteraceae |
学名(拉丁名) | Ligularia brassicoides |
中文名 | 芥形橐吾 |
中文科名 | 菊科 |
拉丁属名 | Ligularia |
类型 | species |
拉丁科名 | Asteraceae |
中文属名 | 橐吾属 |
Plants grayish green. Stem erect, 45-70 cm tall, ca. 7 mm in diam. at base, hollow, glabrous, except white arachnoid-puberulent in synflorescence. Basal leaves petiolate; petiole to 15 cm, glabrous, base sheathed, upper winged; leaf blade oblong or ovate, 17-30 × 6.5-17 cm, glabrous, pinnately veined, midvein robust, with white prominent reticulate veins on both surfaces, base cuneate, narrowed into a petiole, margin denticulate, apex obtuse. Middle to distal stem leaves sessile, oblong, to 14 × 4 cm, smaller distally, reticulate veins conspicuous, base semiamplexicaul or tubular-amplexicaul, apex obtuse. Synflorescence racemose, to 26 cm, initially densely clustered, elongating in fruit; leaflike bracts linear, shorter than peduncle, supplementary bracts subulate, shorter; peduncles 4-5 mm. Capitula numerous. Involucre shallowly campanulate, 6-8 × to 6 mm wide, outside shortly pilose; phyllaries 6-8, in 2 rows, black, ovate or oblong, rarely glabrous, apex triangular; inner phyllaries densely white ciliate and brown membranous at margin. Ray florets 5 or 6, yellow; lamina oblong, 8-10 × ca. 3 mm. Tubular florets numerous, ca. 7 mm; tube slightly shorter than limb. Pappus white, as long as tubular corolla. Fl. Jul.
Grassy slopes; 2600-3100 m. SW and W Sichuan.
103.芥形橐吾
Ligularia brassicoides Hand. -Mazz. in Bot. Jahrh. 69: 118. 1938; S. Y. Hu Quart. Journ. Taiwan Mus. 20: 55. 1967.
多年生灰绿色草本。根肉质,多数。茎直立,高45-70厘米,除花序被白色蛛丝状柔毛外,余者均光滑,基部直径约7毫米,被褐色枯叶柄纤维包围。丛生叶与茎下部叶具柄,柄长达15厘米,上部具翅,光滑,基部鞘状,叶片卵形或长圆形,长17-30厘米,宽6.5-17厘米,先端钝,边缘具小齿,基部楔形,下延,两面光滑,叶脉羽状,中脉粗,网脉突起,白色,在两面均明显;茎中上部叶无柄,叶片长圆形,长达14厘米,宽至4厘米,向上渐小,先端钝圆,基部半抱茎或耳状抱茎,网脉明显。总状花序幼时密集,后疏离,长达26厘米;苞片线形比总花序梗短;花序梗长4-5毫米;头状花序多数,辐射状;小苞片钻形,极短;总苞浅钟形,长6-8毫米,宽至6毫米,总苞片6-8,2层,黑色,卵形或长圆形,先端三角形,背部被有节短柔毛,稍光滑,内层边缘褐.色膜质,被密的白色短毛。舌状花5-6,黄色,舌片长圆形,长8-10毫米,宽约3毫米;管状花多数,长约7毫米,管部稍短于檐部,冠毛白色,与花冠等长。瘦果(未熟)光滑。花期7月。
产四川西南部和西部。生于海拔2580-3140米的草坡。模式标本采自木里。