• M. Lidén
Part of the The Families and Genera of Vascular Plants book series (FAMILIES GENERA, volume 2)


Perennial or annual herbs, usually glabrous, sometimes with one-celled hairs, rarely (the Corydalis chaerophylla-group) with crispate hairs; cotyledons flat and lanceolate, or filiform, usually 2, but 1 in tuberous Corydalis and a few Dicentra spp. Leaves spirally arranged, rarely opposite (some Corydalis spp.), or in a basal rosette (Hypecoum), pinnately to ternately divided; stipules absent, but petiole sometimes vaginate at base, or (in some Corydalis spp.) with membranous appendages. Inflorescences terminal on flowering stems (exception: Adlumia), bracteate, cymose or racemose, rarely flowers solitary (Dicentra uniflora). Flowers zygomorphic or disymmetric. Sepals 2, petaloid or (Hypecoum) herbaceous, not covering the petals in bud, caducous. Petals 4, outer and inner whorl very dissimilar, with wings, joints and/or spurs. One or both of the outer petals (Hypecoum excepted) with a sac-like extension to a long spur at base, apically with two lateral wings, and in Corydalis frequently with a median crest; inner petals equal, coherent at apex, basally more or less fused (Hypecoum excepted) with the upper stamen bundle and the upper petal (in Adlumia all petals and stamens are fused for most of their length), with a flexible joint about the middle, apical part with two lateral wings and a usually prominent median wing.


Central Lobe Secretory Cavity Lateral Wing Flexible Joint Apical Appendage 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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© Springer-Verlag Berlin Heidelberg 1993

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  • M. Lidén

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