学名(拉丁名) | Ligularia dolichobotrys |
中文名 | 太白山橐吾 |
命名人 | Diels |
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 dolichobotrys |
命名人 | Diels (accepted name) |
拉丁属名 | Ligularia |
类型 | species |
拉丁科名 | Asteraceae |
学名(拉丁名) | Ligularia dolichobotrys |
中文名 | 太白山橐吾 |
拉丁属名 | Ligularia |
类型 | species |
拉丁科名 | Asteraceae |
学名(拉丁名) | Ligularia dolichobotrys |
中文名 | 太白山橐吾 |
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 |
学名 | 状态 | 来源 | 命名人 |
---|---|---|---|
Senecillis dolichobotrys (Diels) Kitam. | Synonym | The Plant List |
Senecillis dolichobotrys (Diels) Kitamura.
Stem erect, 20-80 cm tall, 2-3 mm in diam. at base, glabrous. Basal leaves petiolate; petiole to 15 cm, slender, glabrous, base narrowly sheathed; leaf blade cordate-hastate, 3-11 × 7-14 cm, glabrous, abaxially sometimes hairy only along veins, palmately veined, margin irregularly dentate, apex rounded, mucronate; sinus ca. 1/3 as long as leaf blade, broad; basal lobes divergent, with a coarse triangular tooth on each outer margin. Middle stem leaves reniform, 4-6 × 5.5-11.5 cm, shortly petiolate; sheath enlarged. Distalmost stem leaves smaller, sessile. Synflorescence racemose, to 15 cm; leaflike and supplementary bracts subulate, 2-3 mm; peduncles 1.5-2 mm, shortly pilose or glabrous. Capitula numerous. Involucre narrowly cylindric, 6-7 × ca. 2 mm, outside glabrous; phyllaries 4 or 5, in 2 rows, narrowly oblong, ca. 1.5 mm wide, apex obtuse, purplish brown; inner phyllaries membranous at margin. Ray florets 2 or 3, yellow; lamina oblong or narrowly oblanceolate, to 1 cm × 2-3 mm, apex rounded; tube ca. 5 mm. Tubular florets 2 or 3, 9-12 mm; tube 3-4 mm. Achenes narrowly cylindric, ca. 4 mm. Pappus brown, as long as tube of tubular corolla. Fl. and fr. Jun-Aug. 2n = 58*.
Stream banks, grassy slopes, forest understories, at base of rocks; 2000-3300 m. ?Henan, S Shaanxi (Qin Ling).
70.太白山橐吾
Ligularia dolichobotrys Diels in Bot. Jahrb. 36 (Beih. 82): 107. 1905, p. p. max.: 林镕, 北研丛刊2: 534. 1934; Hand.-Mazz. in Bot. Jahrb. 69: 141. 1938; S. Y. Hu in Quart. Journ. Taiwan Mus. 20: 57. 1967. ——Senecillis dolichobotrys (Diels) Kitam. in Acta Phytotax. Geobot. 8: 88. 1939.
多年生纤细草本。根肉质,多数,簇生。茎直立,高20-80厘米,光滑,基部直径2-3毫米,被褐色枯叶柄纤维包围。丛生叶与茎下部叶心状戟形,长3-11厘米,宽7-14厘米,先端圆形,具尖头,边缘具不整齐的齿,基部弯缺宽,长为叶片的1/3,两侧裂片短,外展,外缘各具1个三角状大齿,两面光滑,有时下面脉上有短毛,叶脉掌状,叶柄细,长达15厘米,基部具窄鞘;茎中部叶肾形,长4-6厘米,宽5.5-11.5厘米,叶柄短,具膨大的鞘;最上部叶较小,无柄。总状花序长达18厘米,狭窄;苞片及小苞片钻形,长2-3毫米;花序梗近等长,长1.5-2毫米,被短毛或光滑;头状花序多数,辐射状;总苞狭圆筒形,长6-7毫米,宽约2毫米,总苞片4-5,狭长圆形,宽约1.5毫米,先端钝圆,紫褐色,背部光滑,内层边缘膜质。舌状花2-3,黄色,舌片狭倒披针形或长圆形,长达10毫米,宽2-3毫米,先端圆形,管部长约5毫米;管状花2-3,长9-12毫米,管部长3-4毫米,花药蓝色,冠毛褐色与花冠管部等长。瘦果细圆柱形,长约4毫米,光滑。花果期6-8月。
产陕西(秦岭,模式标本产地)。生于海拔2000-3250米的河边、山坡、林下及岩石上。