Flora of China
  FOC Vol.6 (2001)              | Family List  Ranunculaceae  PDF Coptis  PDF   | Link Font:+ Big | - Small
   23. Coptis  Salisbury
黄连属   huang lian shu
Authors:Fu Dezhi; Orbélia R. Robinson


Herbs perennial, rhizomatous or sometimes stoloniferous. Rhizomes branched. Leaves several, basal, long petiolate, 3- or 5-sect. Scapes 1 to several, erect. Inflorescences terminal, monochasial, 1- to few flowered. Flowers small, actinomorphic, bisexual. Sepals 5(--8), white or greenish yellow, often petaloid. Petals 5--10 or more, clawed, adaxially often nectariferous. Stamens numerous, glabrous; filaments filiform; anthers broadly elliptic. Pistils 8--14, stipitate; ovules several per ovary. Styles recurved. Follicles stipitate, oblong, transverse veins inconspicuous; persistent styles short. Seeds brown, ellipsoid, shiny, nearly smooth.

Fifteen species: E Asia, North America; six species (five endemic) in China.

1Leaves 5-sect.(2)
+Leaves 3-sect.(3)
2(1)Rhizome robust; leaf blade 5.5--14 cm wide, central segment pinnately divided, apex attenuate5  C. quinquesecta    五裂黄连
+Rhizome slender; leaf blade 2--6 cm wide, central segment 3-lobed, apex acute6  C. quinquefolia    五叶黄连
3(1)Leaf blade lanceolate to narrowly ovate; lateral segments 3--3.5 × shorter than central segment; sepals linear-lanceolate4  C. omeiensis    峨眉黄连
+Leaf blade ovate to ovate-triangular; lateral segments slightly shorter than central segment; sepals lanceolate, elliptic, or narrowly ovate.(4)
4(3)Petals spatulate3  C. teeta    云南黄连
+Petals lanceolate to linear-lanceolate.(5)
5(4)Leaf segment lobes remote; outer stamens slightly shorter than petals1  C. chinensis    黄连
+Leaf segment lobes ± contiguous to each other; stamens ca. 1/2 as long as petals2  C. deltoidea    三角叶黄连
   Lower Taxon
  • Coptis chinensis  Franchet  黄连
  • Coptis chinensis var. brevisepala  W. T. Wang & P. K. Hsiao  短萼黄连
  • Coptis deltoidea  C. Y. Cheng & P. K. Hsiao  三角叶黄连
  • Coptis omeiensis  (Chen) C. Y. Cheng  峨眉黄连
  • Coptis quinquefolia  Miquel  五叶黄连
  • Coptis quinquesecta  W. T. Wang  五裂黄连
  • Coptis teeta  Wallich  云南黄连
  • Coptis chinensis var. chinensis    黄连(原变种)