Valeriana calcitrapaeL.

WFO wfo-0000425385 Accepted WFO 2026-06 8 photographs CC0 / CC BY / CC BY-SA

Plate 1 figs. a–h · 8 separate observations

Valeriana calcitrapae, photographed by Carminda Santos
fig. a Carminda Santos, CC BY 4.0 / 2022-05-21 / obs. 199464582
Valeriana calcitrapae, photographed by Daniela Costa
fig. b Daniela Costa, CC BY 4.0 / obs. 198177538
Valeriana calcitrapae, photographed by Josep Gesti
fig. c Josep Gesti, CC BY-SA 4.0 / obs. 197575678
Valeriana calcitrapae, photographed by carnifex
fig. d carnifex, CC BY 4.0 / obs. 200999954
Valeriana calcitrapae, photographed by Quentin Groom
fig. e Quentin Groom, CC0 1.0 / obs. 195760388
Valeriana calcitrapae, photographed by Josep Gesti
fig. f Josep Gesti, CC BY-SA 4.0 / obs. 192953662
Valeriana calcitrapae, photographed by Yves Bas
fig. g Yves Bas, CC BY 4.0 / obs. 203168417
Valeriana calcitrapae, photographed by castieler
fig. h castieler, CC BY 4.0 / obs. 188719658

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 24 botanical countries

Regions where Valeriana calcitrapae is native: Algeria, Azores, Canary Is., Egypt, Libya, Madeira, Morocco, Tunisia, East Aegean Is., Lebanon-Syria, Palestine, Türkiye, Baleares, Corse, France, Greece, Italy, Kriti, Krym, NW. Balkan Pen., Portugal, Sardegna, Sicilia, Spain AlgeriaEgyptLibyaMoroccoTunisiaEast Aegean Is.Lebanon-SyriaPalestineTürkiyeCorseFranceGreeceItalyKritiKrymNW. Balkan Pen.PortugalSiciliaSpain AzoresCanary Is.MadeiraBalearesSardegna
Native distribution of Valeriana calcitrapae, 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. Regions too small to draw at this scale are marked with a dot.
RegionTDWG codeContinent
Baleares BAL EUROPE
Corse COR
France FRA
Greece GRC
Italy ITA
Kriti KRI
Krym KRY
NW. Balkan Pen. YUG
Portugal POR
Sardegna SAR
Sicilia SIC
Spain SPA
Algeria ALG AFRICA
Azores AZO
Canary Is. CNY
Egypt EGY
Libya LBY
Madeira MDR
Morocco MOR
Tunisia TUN
East Aegean Is. EAI ASIA-TEMPERATE
Lebanon-Syria LBS
Palestine PAL
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 768 in flower of 812 examined

Peak flowering in Oct. Each bar is the share of Valeriana calcitrapae 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. 768 of 812 examined observations were in flower, every one of them research grade. The whisker on each bar is a 95% Wilson interval. 4 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 11 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.

  • Centranthus calcitrapae (L.) Dufr.
  • Centranthus calcitrapae subsp. gutierrezii (Pau) T.Romero & E.Rico
  • Centranthus calcitrapae subsp. trichocarpus I.Richardson
  • Centranthus clausonis Pomel
  • Centranthus pinnatifidus St.-Lag.
  • Hybidium calcitrapa Fourr.
  • Ocymastrum calcitrapa (L.) Kuntze
  • Rittera calcitrapa (L.) Raf.
  • Valeriana annua Gray
  • Valeriana parviflora Miégev.
  • Valeriana steveni Ledeb.

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. 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.