Parentucellia latifolia(L.) Caruel

broadleaf glandweed

WFO wfo-0001139853 Accepted WFO 2026-06 8 photographs CC BY

Plate 1 figs. a–h · 8 separate observations

Parentucellia latifolia, photographed by Konstantin Grebennikov
fig. a Konstantin Grebennikov, CC BY 4.0 / 2022-05-02 / obs. 196456794
Parentucellia latifolia, photographed by Eleftherios Katsillis
fig. b Eleftherios Katsillis, CC BY 4.0 / obs. 190816284
Parentucellia latifolia, photographed by WATANABE Hitoshi 渡辺仁
fig. c WATANABE Hitoshi 渡辺仁, CC BY 4.0 / obs. 190164318
Parentucellia latifolia, photographed by WATANABE Hitoshi 渡辺仁
fig. d WATANABE Hitoshi 渡辺仁, CC BY 4.0 / obs. 190162312
Parentucellia latifolia, photographed by Mehdi Chetibi
fig. e Mehdi Chetibi, CC BY 4.0 / obs. 188150406
Parentucellia latifolia, photographed by Andre Hosper
fig. f Andre Hosper, CC BY 4.0 / obs. 188730901
Parentucellia latifolia, photographed by Andre Hosper
fig. g Andre Hosper, CC BY 4.0 / obs. 187644421
Parentucellia latifolia, photographed by Elspeth Swan
fig. h Elspeth Swan, CC BY 4.0 / obs. 165937387

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 32 botanical countries

Regions where Parentucellia latifolia is native: Algeria, Canary Is., Libya, Morocco, Sudan-South Sudan, Tunisia, Afghanistan, Cyprus, East Aegean Is., Iran, Iraq, Lebanon-Syria, North Caucasus, Palestine, Saudi Arabia, Transcaucasus, Türkiye, Turkmenistan, Albania, Baleares, Bulgaria, Corse, France, Greece, Italy, Kriti, NW. Balkan Pen., Portugal, Sardegna, Sicilia, Spain, Türkiye-in-Europe AlgeriaLibyaMoroccoSudan-South SudanTunisiaAfghanistanCyprusEast Aegean Is.IranIraqLebanon-SyriaNorth CaucasusPalestineSaudi ArabiaTranscaucasusTürkiyeTurkmenistanAlbaniaBulgariaCorseFranceGreeceItalyKritiNW. Balkan Pen.PortugalSiciliaSpainTürkiye-in-Europe Canary Is.BalearesSardegna
Native distribution of Parentucellia latifolia, 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
Albania ALB EUROPE
Baleares BAL
Bulgaria BUL
Corse COR
France FRA
Greece GRC
Italy ITA
Kriti KRI
NW. Balkan Pen. YUG
Portugal POR
Sardegna SAR
Sicilia SIC
Spain SPA
Türkiye-in-Europe TUE
Afghanistan AFG ASIA-TEMPERATE
Cyprus CYP
East Aegean Is. EAI
Iran IRN
Iraq IRQ
Lebanon-Syria LBS
North Caucasus NCS
Palestine PAL
Saudi Arabia SAU
Transcaucasus TCS
Türkiye TUR
Turkmenistan TKM
Algeria ALG AFRICA
Canary Is. CNY
Libya LBY
Morocco MOR
Sudan-South Sudan SUD
Tunisia TUN

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 727 in flower of 765 examined

Peak flowering in Nov. Each bar is the share of Parentucellia latifolia 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. 727 of 765 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 19 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.

  • Bartsia latifolia (L.) Sm.
  • Bartsia purpurea Duby
  • Bellardia latifolia (L.) Cuatrec.
  • Eufragia atroviolacea Durand ex Guss.
  • Eufragia floribunda (Viv.) Pamp.
  • Eufragia latifolia (L.) Griseb.
  • Eufragia vivianii Coss.
  • Euphrasia cyrenaica Pacho
  • Euphrasia latifolia L.
  • Euphrasia latifolia var. flaviflora Boiss.
  • Euphrasia praecox Lam.
  • Lasiopera latifolia (L.) Samp.
  • Parentucellia floribunda Viv.
  • Parentucellia latifolia f. albiflora (Raulin) Jovan.-Dunj.
  • Parentucellia latifolia var. atroviolacea Rouy
  • Parentucellia latifolia var. pycnantha Heldr.
  • Trixago atroviolacea Nyman
  • Trixago latifolia (L.) Rchb.
  • Trixago purpurea Steven

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.