Flora of China
  FOC Vol.6 (2001)              | Family List  Ranunculaceae  PDF Trollius  PDF   | Link Font:+ Big | - Small
   3. Trollius  Linnaeus
金莲花属   jin lian hua shu
Authors:Li Liangqian; Michio Tamura


Herbs perennial, glabrous, with fibrous roots. Leaves all basal, or basal and cauline, simple, palmately parted or sect. Flower solitary, terminal or few in a cyme. Sepals 5 to many, usually yellow, rarely purplish, obovate, petaloid, usually caducous, rarely persistent. Petals 5 to many, linear, shortly clawed and with nectary pit above base. Stamens numerous; anthers ellipsoid or oblong, filaments narrowly linear. Follicles 5 to many, with branching transverse veins and a persistent style. Seeds subglobose, smooth.

About 30 species: temperate to cold regions of the N hemisphere; 16 species (eight endemic) in China.

1Sepals lilac-blue or pale blue, or white with blue veins, persistent16  T. lilacinus    淡紫金莲花
+Sepals yellow, usually caducous, or rarely white inside and purplish outside, persistent.(2)
2(1)Leaves palmately parted.(3)
+Leaves palmately sect.(7)
3(2)Leaves all basal, or 1--3 inserted near base of stem.(4)
+Leaves both basal and cauline, cauline leaves 2--4, inserted at middle or above on stem.(5)
4(3)Leaf blade 3-parted, lobes indistinct, margin with teeth ovate or broadly ovate4  T. pumilus    小金莲花
+Leaf blade deeply 3-sect nearly to base, segments lobed, margin with teeth triangular or narrowly triangular5  T. farreri    矮金莲花
5(3)Sepals 8--133  T. dschungaricus    准噶尔金莲花
+Sepals 5.(6)
6(5)Sepals ± green when dried; petals broadly spatulate at apex; persistent style erect1  T. yunnanensis    云南金莲花
+Sepals not green when dried; petals narrowed at apex; persistent style turning outside2  T. buddae    川陕金莲花
7(2)Petals shorter than or subequaling stamens, usually persistent.(11)
+Petals longer than stamens, caducous.(8)
8(7)Petals shorter than sepals.(9)
+Petals equaling or longer than sepals.(10)
9(8)Petals narrowly linear, 1--1.5(--1.8) mm wide, slightly spatulate12  T. ledebourii    短瓣金莲花
+Petals spatulate-linear, broadened from base, broadest above middle, 2--3.5 mm wide13  T. asiaticus    宽瓣金莲花
10(8)Sepals (6--)10--15(--19); petals subequaling sepals; persistent style ca. 1 mm14  T. chinensis    金莲花
+Sepals 5--7; petals usually longer than sepals; persistent style 3.5--4 mm15  T. macropetalus    长瓣金莲花
11(7)Petals longer than filaments, subequaling stamens; flower solitary and terminal, or 2 or 3 flowers in a cyme.(12)
+Petals equaling filaments; flower solitary, terminal.(13)
12(11)Sepals 5--7; styles purplish10  T. japonicus    长白金莲花
+Sepals 15--18; styles dark purple or black11  T. altaicus    阿尔泰金莲花
13(11)Sepals ca. 6 mm, persistent6  T. micranthus    小花金莲花
+Sepals 10--20 mm, caducous or persistent.(14)
14(13)Segments of leaves not separate; sepals ± green when dried7  T. ranunculoides    毛茛状金莲花
+Segments of leaves separate; sepals not green when dried.(15)
15(14)Basal leaves 4--6.5 cm wide; sepals not purplish outside, caducous9  T. taihasenzanensis    台湾金莲花
+Basal leaves 1--2.6(--4.5) cm wide; sepals purplish outside, usually persistent.(16)
16(15)Central segment 3-lobed to ± middle; carpels 6--9(--25)5  T. farreri    矮金莲花
+Central segment 3-parted nearly to base; carpels 4--68  T. vaginatus    鞘柄金莲花
   List of lower taxa