花葶驴蹄草Caltha scaposa

中文名(Chinese Name):花葶驴蹄草
学名(Scientific Name):Caltha scaposa Hook. f. et Thoms.
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Caltha palustris var. scaposa Maxim.  Caltha scaposa var. parnassioides Ulbr.  Caltha scaposa var. smithii Ulbr.  Caltha scaposa var. pusilla Huth
科属(Family & Genus):毛茛科(Ranunculaceae)驴蹄草属
形态特征(Description):多年生低矮草本,全体无毛,具多数肉质须根。茎单一或数条,有时多达10条,直立或有时渐升,高3.5-18(-24)厘米,粗1-2毫米,通常只在顶端生1朵花,无叶或有时在中部或上部生1个叶,在叶腋不生花或有时生出1朵花,稀生2个叶。基生叶3-10,有长柄;叶片心状卵形或三角状卵形,有时肾形,长1-3(-3.7)厘米,宽1.2-2.8(-4)厘米,顶端圆形,基部深心形,边缘全缘或带波形,有时疏生小牙齿,叶柄长2.5-10(-15)厘米,基部具膜质长鞘。茎生叶如存在时极小,具短柄或有时无柄,叶片长在1.2厘米以下。花单独生于茎顶部,或2朵形成简单的单歧聚伞花序;萼片5(-7),黄色,倒卵形,椭圆形或卵形,长0.9-1.5(-1.9)厘米,宽0.7-1.4厘米,顶端圆形;雄蕊长3.5-7(-10)毫米,花药长圆形,花丝狭线形;心皮(5-)6-8(-11),与雄蕊近等长,具短柄和短花柱。蓇葖长1-1.6厘米,宽2.5-3毫米,具明显的横脉,心皮柄长1.8-3毫米,喙长约1毫米;种子黑色,肾状椭圆球形,稍扁,长1.2-1.5毫米,光滑,有少数纵肋。6-9月开花,7月开始结果。
分布(Distribution):分布于西藏、云南、四川、青海及甘肃,生海拔2800-4100米高山湿草甸或山谷沟边湿草地。尼泊尔、不丹及印度也有。
引自中国植物志英文版:FOC Vol. 6 Page 136     
Caltha scaposa J. D. Hooker & Thomson, Fl. Ind. 1: 40. 1855.
花葶驴蹄草 hua ting lu ti cao| Ranunculaceae  | Caltha
Caltha palustris Linnaeus var. scaposa (J. D. Hooker & Thomson) Maximowicz; C. scaposa var. parnassioides Ulbrich; C. scaposa var. smithii Ulbrich.
Plants small. Stems simple or branched, more than 3.5 cm tall, to 24 cm at fruiting, 1--2 mm in diam. Basal leaves 3--10, long petiolate; petiole 2.5--10(--15) cm, base with membranous sheath; leaf blade cordate-ovate or triangular-ovate, sometimes reniform, 1--3(--3.7) × 1.2--2.8(--4) cm, base deeply cordate, margin entire or repand, sometimes sparsely denticulate, apex rounded. Cauline leaves shortly petiolate or sometimes sessile, small. Flower solitary, terminal, or 2 in monochasium. Pedicels more than 3 cm, to 20 cm at fruiting. Sepals 5(--7), yellow, obovate, elliptic or ovate, 0.9--1.5(--1.9) × 0.7--1.4 cm, apex rounded. Stamens 3.5--7(--10) mm; anthers oblong. Follicles (5--)6--8(--11), 1--1.6 cm × 2.5--3 mm, shortly stipitate; persistent style ca. 1 mm. Seeds black. Fl. Jun--Sep, fr. Jul.
Alpine meadows, wet places in valleys; 2800--4100 m. S Gansu, S Qinghai, W Sichuan, SE Xizang, NW Yunnan [Bhutan, N India, Nepal, Sikkim].
 花葶驴蹄草Caltha scaposa

花葶驴蹄草Caltha scaposa

花葶驴蹄草Caltha scaposa
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