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纵肋人字果Dichocarpum fargesii (Franch.) W. T. Wang et Hsiao

纵肋人字果Dichocarpum fargesii (Franch.) W. T. Wang et Hsiao

别名:野黄瓜;扇叶人字果;

科名:毛茛科 Ranunculaceae

属名:人字果属 Dichocarpum

《中国植物志》第27卷482页
  9.纵肋人字果 图版114: 1-3
  Dichocarpum fargesii (Franch.) W. T. Wang et Hsiao, 植物分类学报9: 329. 1964; 秦岭植物志1 (2) : 233, 图199. 1974. ——Isopyrum fargesii Franch. in Morot, Journ. Bot. 11: 294. 1897; Finet et Gagnep. in Bull. Soc. Bot. Fr. 51: 405, pl. 4, f. 16. 1904; Drumm. et Hutch. in Kew Bull. 1920 165, f. 5, A. 1920; Hand. -Mazz. Symb. Sin. 7: 270. 1931.
  植物全体无毛。茎高14-35厘米,中部以上分枝。根状茎粗而不明显,生多数须根。叶基生及茎生,基生叶少数,具长柄,为一回三出复叶;叶片草质,轮廓卵圆形,宽1.8-3.5厘米;中央指片肾形或扇形,长5-12毫米,宽7-16毫米,顶端具5浅牙齿,牙齿顶端微凹,叶脉明显,侧生指片轮廓斜卵形,具2枚不等大的小叶,上面小叶斜倒卵形,长6-14毫米,宽4-10毫米,下面小叶卵圆形,长及宽均5-9毫米;叶柄长3-8厘米,基部具鞘;茎生叶似基生叶,渐变小,对生,最下面一对的叶柄长2厘米。花小,直径6-7.5毫米;苞片无柄,三全裂;花梗纤细,长1-3.5厘米;萼片白色,倒卵状椭圆形,长4-5毫米,顶端钝;花瓣金黄色,长约为萼片之半,瓣片近圆形,中部合生成漏斗状,顶端近截形或近圆形,下面有细长的爪;雄蕊10,花药宽椭圆形,黄白色,长约0.3毫米,花丝长3-4毫米,中部微变宽。蓇葖线形,长1.2-1.5厘米,顶端急尖,喙极短而不明显;种子约9粒,椭圆球形,长1.5-1.8毫米,具纵肋。5-6月开花,7月结果。
  分布于四川东部、贵州、湖北西部、河南西南部、陕西南部和甘肃东南部。生海拔1300-1600米间山谷阴湿处。模式标本采自四川城口。

《Flora of China》 Vol. 6 (2001)
Dichocarpum fargesii  (Franchet) W. T. Wang & P. K. Hsiao
纵肋人字果   zong lei ren zi guo
Isopyrum fargesii Franchet, J. Bot. (Morot) 11: 294. 1897.
Plant glabrous, with tap root. Rhizome inconspicuous. Stem 14--35 cm tall. Basal leaves few, 5--9-foliolate; petiole 3--8 cm; leaf blade ovate, 1.8--3.5 cm wide, papery; lateral leaflets petiolulate; leaflet blade obliquely ovate, unequal in size and shape, lower leaflets ovate, 0.5--0.9 × 0.5--0.9 cm, upper leaflets obliquely obovate, 0.6--1.4 × 0.4--1 cm; central leaflet reniform to flabellate, 0.5--1.2 × 0.7--1.6 cm, base broadly cuneate, rounded, or truncate, margin distally 3-lobulate or toothed, apex obtuse. Stem leaves opposite, shortly petiolate, similar to basal leaves. Inflorescences 2--4-flowered; bracts sessile, 3-foliolate, 3-sect, or simple. Flowers 6--7.5 cm in diam., glabrous. Pedicel 1--3.5 cm. Sepals white, obovate-elliptic, 4--5 mm. Petal limbs funnelform, 1.8--2.5 mm; claw longer than limb. Stamens 10; anthers broadly ellipsoid, ca. 0.3 mm. Follicles linear, 1.2--1.5 cm, apex acute; persistent styles inconspicuous. Seeds ellipsoid-fusiform, 1.5--1.8 mm, longitudinally costate. Fl. May--Jun, fr. Jun.
* Shady and wet places in valleys; 1300--1600 m. W Anhui, SE Gansu, Guizhou, S and W Henan, W Hubei, NW Hunan, S Shaanxi, E Sichuan.

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