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FOC | Family List | FOC Vol. 6 | Ranunculaceae

23. Coptis Salisbury, Trans. Linn. Soc. London, Bot. 8: 305. 1807.

黄连属 huang lian shu

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.

1 Leaves 5-sect.   (2)
+ Leaves 3-sect.   (3)
2 (1) Rhizome robust; leaf blade 5.5--14 cm wide, central segment pinnately divided, apex attenuate   5 C. quinquesecta
+ Rhizome slender; leaf blade 2--6 cm wide, central segment 3-lobed, apex acute   6 C. quinquefolia
3 (1) Leaf blade lanceolate to narrowly ovate; lateral segments 3--3.5 × shorter than central segment; sepals linear-lanceolate   4 C. omeiensis
+ Leaf blade ovate to ovate-triangular; lateral segments slightly shorter than central segment; sepals lanceolate, elliptic, or narrowly ovate.   (4)
4 (3) Petals spatulate   3 C. teeta
+ Petals lanceolate to linear-lanceolate.   (5)
5 (4) Leaf segment lobes remote; outer stamens slightly shorter than petals   1 C. chinensis
+ Leaf segment lobes ± contiguous to each other; stamens ca. 1/2 as long as petals   2 C. deltoidea

Lower Taxa


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