Corydalis cava(L.) Schweigg. & Körte

hollowroot

WFO wfo-0000622173 Accepted WFO 2026-06 8 photographs CC0 / CC BY / CC BY-SA

Plate 1 figs. a–h · 8 separate observations

Corydalis cava, photographed by Ilkka Tuunainen
fig. a Ilkka Tuunainen, CC BY-SA 4.0 / 2022-05-03 / obs. 194745314
Corydalis cava, photographed by Eleftherios Katsillis
fig. b Eleftherios Katsillis, CC BY 4.0 / obs. 194725678
Corydalis cava, photographed by nicoweg
fig. c nicoweg, CC0 1.0 / obs. 192791427
Corydalis cava, photographed by E. Borchert
fig. d E. Borchert, CC BY 4.0 / obs. 195863353
Corydalis cava, photographed by nicoweg
fig. e nicoweg, CC0 1.0 / obs. 192384874
Corydalis cava, photographed by Pavel Kacl
fig. f Pavel Kacl, CC BY 4.0 / obs. 193095826
Corydalis cava, photographed by Sashko
fig. g Sashko, CC0 1.0 / obs. 201890024
Corydalis cava, photographed by carnifex
fig. h carnifex, CC BY 4.0 / obs. 195723064

Every figure is a research-grade observation under CC0, CC BY or CC BY-SA, rehosted with the photographer’s name, the licence and the observation it came from. Photographs under a NonCommercial licence are excluded from this site and are never stored, which costs us a great many pictures and is not negotiable.

Native range 28 botanical countries

Regions where Corydalis cava is native: Iran, North Caucasus, Transcaucasus, Türkiye, Albania, Austria, Baltic States, Belarus, Belgium, Bulgaria, Central European Russia, Czechia-Slovakia, Denmark, France, Germany, Greece, Hungary, Italy, Krym, NW. Balkan Pen., Poland, Portugal, Romania, South European Russia, Spain, Sweden, Switzerland, Ukraine IranNorth CaucasusTranscaucasusTürkiyeAlbaniaAustriaBaltic StatesBelarusBelgiumBulgariaCentral European RussiaCzechia-SlovakiaDenmarkFranceGermanyGreeceHungaryItalyKrymNW. Balkan Pen.PolandPortugalRomaniaSouth European RussiaSpainSwedenSwitzerlandUkraine
Native distribution of Corydalis cava, after Kew’s World Checklist of Vascular Plants. Introduced, extinct and doubtful records are excluded, so this is where the plant is from, not everywhere it now grows.
RegionTDWG codeContinent
Albania ALB EUROPE
Austria AUT
Baltic States BLT
Belarus BLR
Belgium BGM
Bulgaria BUL
Central European Russia RUC
Czechia-Slovakia CZE
Denmark DEN
France FRA
Germany GER
Greece GRC
Hungary HUN
Italy ITA
Krym KRY
NW. Balkan Pen. YUG
Poland POL
Portugal POR
Romania ROM
South European Russia RUS
Spain SPA
Sweden SWE
Switzerland SWI
Ukraine UKR
Iran IRN ASIA-TEMPERATE
North Caucasus NCS
Transcaucasus TCS
Türkiye TUR

Region boundaries approximated from Natural Earth (public domain) and mapped to TDWG World Geographical Scheme for Recording Plant Distributions (WGSRPD) level-3 botanical countries (Brummitt 2001). Indicative, not the official WGSRPD geometry.

Flowering 2,476 in flower of 2,611 examined

Peak flowering in Mar. Each bar is the share of Corydalis cava observations in which someone actually recorded the reproductive state and found the plant in flower, not the raw number of flowering records. That distinction matters: people observe plants far more in spring than in winter, so a bare count of flowering records partly measures when people go outside. Dividing by the number examined removes that. 2,476 of 2,611 examined observations were in flower, every one of them research grade. The whisker on each bar is a 95% Wilson interval. 7 months have fewer than 5 examined observations, so no proportion is drawn for them. This is still a global aggregate and not a forecast for your garden: the same species flowers on different dates in different hemispheres. Where a species has fewer than 30 flowering records we do not draw this chart at all. Computed from 10.15468/dl.cgje2x.

Also published as 25 synonyms

A synonym is not an error. It is a record of botanists disagreeing, in print, about where this plant belongs. Each of these was somebody’s considered answer.

  • Bulbocapnos cavus Bernh.
  • Bulbocapnos marschallianus (Willd.) Bernh.
  • Bulbocapnos tuberosus Spach
  • Capnites cava (L.) Dumort.
  • Capnites marschalliana (Willd.) Rupr.
  • Capnoides cava Moench
  • Capnoides marschalliana (Willd.) Kuntze
  • Capnoides tuberosa (DC.) Lyons
  • Corydalis albiflora Kit.
  • Corydalis bulbosa subsp. marschalliana Chater
  • Corydalis marschalliana (Willd.) Pers.
  • Corydalis marschalliana var. pseudocava Grossh. ex Mikhailova
  • Corydalis pseudocava Pant.
  • Corydalis stummeri Pant.
  • Corydalis tuberosa DC.
  • Fumaria albiflora (Kit.) Kit.
  • Fumaria bulbosa var. cava L.
  • Fumaria cava Mill.
  • Fumaria major Roth
  • Fumaria marschalliana Willd.
  • Fumaria media (Roth) DC.
  • Pistolochia bulbosa subsp. marschalliana (Willd.) Soják
  • Pistolochia cava (L.) Bernh.
  • Pistolochia marschalliana (Willd.) Holub

and 1 more.

Sourcesevery claim on this page

  1. World Flora Online Plant List. accepted name, authority, classification. CC0. Retrieved 2026-07-12.
  2. iNaturalist. photographs and flowering annotations, CC0 / CC BY / CC BY-SA only. per photograph. Retrieved 2026-06-27.
  3. Wikidata. common name (P1843), joined on the World Flora Online identifier (P7715). CC0. Retrieved 2026-07-13.
  4. Kew, World Checklist of Vascular Plants (WCVP v16). native distribution by TDWG level-3 botanical country, and life form. CC BY 3.0. Retrieved 2026-06-04.

We publish what we can source and we say so when we cannot. This page has no care advice and no toxicity claim, because we do not yet have those from a source we can cite.