学名(拉丁名) | Chondrilla ambigua |
中文名 | 沙地粉苞菊 |
命名人 | Fisch. ex Kar. et Kir. |
中文科名 | 菊科 |
拉丁属名 | Chondrilla |
类型 | species |
拉丁科名 | Compositae |
中文属名 | 粉苞菊属 |
学名(拉丁名) | Chondrilla ambigua |
命名人 | Fischer ex Kar. & Kir. (accepted name) |
拉丁属名 | Chondrilla |
类型 | species |
拉丁科名 | Asteraceae |
学名(拉丁名) | Chondrilla ambigua |
中文名 | 沙地粉苞菊 |
拉丁属名 | Chondrilla |
类型 | species |
拉丁科名 | Asteraceae |
学名(拉丁名) | Chondrilla ambigua |
中文名 | 沙地粉苞菊 |
中文科名 | 菊科 |
拉丁属名 | Chondrilla |
类型 | species |
拉丁科名 | Asteraceae |
中文属名 | 粉苞苣属 |
Herbs 40-100 cm tall, perennial, broomlike, basally sometimes woody. Stem basally erect-spreadingly and higher up densely and intricately divaricately branched; branches slender, glabrous, ± leafy. Lower stem leaves linear-lanceolate to lanceolate, 3-7 × 0.2-0.5 cm, early deciduous, glabrous, margin entire or sometimes very scarcely dentate, apex acute. Middle and upper stem leaves linear-lanceolate to filiform, usually shorter and only 1-1.5 mm wide, otherwise like lower stem leaves. Capitula with ca. 5 florets. Involucre 1.2-1.4 cm, glabrous or sparsely arachnoid hairy especially basally. Phyllaries green to yellowish green; outer phyllaries broadly triangular-ovate, 1-2 mm; inner phyllaries 5. Achene cylindric, 5-7 mm, without or very faintly with scales or tubercles, without apical corona of scales, apically shortly attenuate into a rudimentary stout beak of 0.1-0.3 mm without articulation. Pappus 6-8 mm. Fl. and fr. May-Sep. 2n = 10.
Sand dunes, gravel and loess areas; 300-800 m. Xinjiang [Kazakhstan, Russia (S European part), Turkmenistan, Uzbekistan].
10.沙地粉苞菊 图版26: 2-3
Chondrilla ambigua Fisch. ex Kar. et Kir. in Bull. Soc. Nat. Mosc. 15: 398. 1842; Ledeb.,Fl. Ross. 2: 809. 1845-1846; Leonova in Fl. URSS 29: 580. 1964.
多年生草本,高40-100厘米,无毛,下部有时淡紫色,自基部以上分枝。下部茎叶线状披针形或披针形,长3-7厘米,宽约2. 5毫米,边缘全缘或有个别锯齿;中部及上部茎叶线状丝形或丝形,长0. 5-2 (7)厘米,宽1-1.5毫米;全部叶无毛。头状花序果期长13-18毫米,含5枚舌状小花。外层总苞片小,卵状披针形,长1-2毫米,宽不足0.5毫米;内层总苞片长椭圆状线形,长10-14毫米,宽约1. 5毫米,5枚,外面无毛或被蛛丝状短柔毛。舌状小花黄色。瘦果长5-7 (9)毫米,宽约1毫米,上部无鳞片状突起及冠鳞,顶端无喙或有丘状粗短的喙,喙长0.1-0.3(0.5)毫米。冠毛白色,长6-8毫米。花果期6-9月。
分布新疆(奇台、哈巴河、富蕴、阿勒泰、布尔津、乌鲁木齐、阜康、尉犁、塔什库尔干、皮山)。生于流动、半固定沙丘,海拔1 000-3 520米。俄罗斯(欧洲部分、西西伯利亚)、哈萨克斯坦、乌兹别克斯坦有分布。模式标本采自中亚地区。