栏目

蓝钟花Cyananthus hookeri C. B. Clarke

蓝钟花Cyananthus hookeri C. B. Clarke

科名:桔梗科 Campanulaceae

属名:蓝钟花属 Cyananthus

《中国植物志》第73(2)卷027页
  25. 蓝钟花
  Cyananthus hookeri C. B. Cl. in Hook. f., Fl. Brit. Ind. 3: 435. 1881; Hook. f. et Thoms., Journ. Linn. Soc. Bot. 2: 21. 1858 (C. sp. n. 6); Franch., Morot Journ. Bot. 1: 281. 1887; Marq., Kew Bull. 248. 1924; Tsoong, Contr. Inst. Bot. Nat. Acad. Peiping 3 (3): 107. 1935; 中国高等植物图鉴, 4: 374. 1975.——C. hookeri var. hispidus Franch., l. c., 281. 1887.
  一年生草本。茎通常数条丛生,近直立或上升,长3.5-20厘米,疏生开展的白色柔毛,基部生淡褐黄色柔毛或无毛,有短分枝,分枝长1.5-10厘米。叶互生,花下数枚常聚集呈总苞状;叶片菱形、菱状三角形或卵形,长3-7毫米,宽1.2-4毫米,先端钝,基部宽楔形,突然变狭成叶柄,边缘有少数钝牙齿,有时全缘,两面被疏柔毛。花小,单生茎和分枝顶端,几无梗;花萼卵圆状,长3-5毫米,外面密生淡褐黄色柔毛,或完全无毛,裂片 (3) 4 (5) 枚,三角形,两面生柔毛,为筒长的1/2-1/3;花冠紫蓝色,筒状,长7-10 (15) 毫米,外面无毛,内面喉部密生柔毛,裂片 (3) 4 (5),倒卵状矩圆形,顶端生3或4根褐黄色柔毛;雄蕊4枚;花柱伸达花冠喉部以上,柱头4裂。蒴果卵圆状,成熟时露出花萼外。种子长卵圆状,长约1.2毫米,宽约0.4毫米。花期8-9月。
  这个种以矮小的植株,花几无梗,花冠小,长仅7-10 (15) 毫米,花通常4数而明显有别于它种。模式标本采自尼泊尔。本种至少包含3个变种。

《Flora of China》 Vol. 19 (2011)
Cyananthus hookeri  C. B. Clarke in J. D. Hooker Fl. Brit. India. 3: 435. 1881.
蓝钟花   lan zhong hua
Cyananthus cronquistii K. K. Shrestha; C. hookeri var. densus C. Marquand; C. hookeri var. grandiflorus C. Marquand; C. hookeri var. hispidus Franchet; C. hookeri var. levicalyx Y. S. Lian; C. hookeri var. levicaulis Franchet.
Stems usually caespitose, suberect or ascending, 4-20 cm, glabrous to rather densely villous; branches 1.5-10 cm. Leaves alternate; blade rhombic or ovate, 3-7 × 2-6 mm, abaxially sparsely to rather densely hirsute, adaxially sparsely to rather densely hispidulous, base obtuse or truncate, abruptly attenuate into petiole, margin crenate or sometimes entire, apex obtuse or subacute; petiole 1-4 mm. Flowers small, solitary, terminal on main stems and branches, subtended by a whorl-like aggregation of 3-5 leaves, almost sessile. Calyx densely hirsute outside with long stiff yellow-brown hairs, rarely subglabrous; tube ovoid, 3-8 mm; lobes (3 or)4(or 5), triangular, 1/3-1/2 as long as tube, both sides hirsute. Corolla purple-blue, cylindrical, 7-15 mm, outside glabrous, inside densely villous at throat; lobes usually (3 or)4(or 5), narrowly obovate or oblong, apex often with 3 or 4 brown-yellow villous hairs. Stamens 4. Style extending above corolla throat; stigma 4-fid. Capsules ovoid, exserted above calyx at maturity. Seeds narrowly ovoid, ca. 1.2 × 0.4 mm. Fl. Aug-Sep.
Thickets, grasslands; 2700-4500 m. SE Gansu (Tao He basin), S Qinghai (Tongren, Yushu), W Sichuan (W of Kangding and Lixian), E Xizang (E of Namling), N Yunnan [Bhutan, NE India (Sikkim), Nepal].

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