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Lupinus gussoneanus; photograph (c) Duarte Frade, some rights reserved (CC BY) CC BY(c) Duarte Frade, some rights reserved (CC BY) · observed growing wild · 2026-05-18

Lupinus gussoneanus J.Agardh

Bitter Blue Lupin; Bitter Blue Lupine; Small-flowered Lupin; Small-flowered Lupine

Fabaceae · Baleares, Corse +20

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Lupinus gussoneanus, photograph (c) Duarte Frade, some rights reserved (CC BY)Lupinus gussoneanus, photograph (c) Tracy Gould, some rights reserved (CC BY)Lupinus gussoneanus, photograph (c) Tracy Gould, some rights reserved (CC BY)Lupinus gussoneanus, photograph (c) Tracy Gould, some rights reserved (CC BY)Lupinus gussoneanus, photograph (c) jeanjacquesgodon, some rights reserved (CC BY)Lupinus gussoneanus, photograph (c) jeanjacquesgodon, some rights reserved (CC BY) 71 photographs ›
Habitat figures
Cold floor (1 night in 100)
2.8°C
Record low -4.5 °C in 44 years, at a typical spot in the range NASA POWER
Warmest month, mean daily high
28°C
Jul and Aug at the habitat CHELSA
Rain a year (median across the range)
706mm
9 months of 25 mm or more in the median year CHELSA
Open-sky light
12–48DLI
Lowest to highest month (DLI) CHELSA
The year in your months, northern hemisphere
  1. Jan
  2. Feb
  3. Mar
  4. Apr
  5. May
  6. Jun
  7. Jul
  8. Aug
  9. Sep
  10. Oct
  11. Nov
  12. Dec
Wet winters: the rain comes October to February and April, read as a winter growing season. rain rule, CHELSA
Northern hemisphere unless you set your site. The chart is in the habitat's months.

About the genus · Lupinus

Lupinus, commonly known as lupin, lupine, or regionally bluebonnet, is a genus of plants in the legume family Fabaceae. The genus includes over 199 species, with centres of diversity in North and South America. Smaller centres occur in North Africa and the Mediterranean. More on Wikipedia ›

Quoted from Wikipedia, "Lupinus", CC BY-SA 4.0.

Cultivation

Seasons

The rain rule reads a winter growing season: 70% of the median year's rain (516 mm of 696 mm) falls in October to February and April, cooler than the year (wet-season mean 12.6 °C against a yearly mean of 16.3 °C). Months are the habitat's, northern hemisphere; shifted six months for a southern-hemisphere collection: April to August and October.

Rain

696 mm in the median year at the habitat, 516 mm of it October to February and April. Wettest month December at 113 mm, driest month July at 6 mm. Across the grid cells of the range the year's total runs 553 mm to 992 mm, the 10th to 90th percentile of each cell's own year. The median of the cells' own yearly totals, 706 mm, is the year's rain at the top of the page; the 696 mm here is the median year's, the twelve monthly medians added, which the rain rule reads. Habitat calendar, northern hemisphere; median year across the grid cells of the range, CHELSA.

Light

Open sky over the habitat: 12 to 48 mol/m²/day across the year (daily light integral, median year across the grid cells of the range, CHELSA; the lowest 10th-percentile month across the cells is 10, the highest 90th-percentile month 51).

Warmth and air
Temperature

Coldest: the 1st-percentile night over 44 years at a typical spot in the range is 2.8 °C, the absolute minimum -4.5 °C, 22 frost nights in 44 years (NASA POWER daily minima). Warmest: the 99th-percentile day is 33.8 °C. Monthly means: the coldest month's mean nightly low 6.2 °C in January (across the grid cells of the range 3.0 °C to 9.9 °C), the warmest month's mean daily high 27.6 °C in July and August (median year across the grid cells of the range, CHELSA). Cold floor: 2.8 °C, which is the 1st-percentile night over 44 years at a typical spot in the range (NASA POWER).

Humidity

Relative humidity at the habitat: 55 to 62% across the year (monthly means, median year across the grid cells of the range, CHELSA). A figure about the air, saying nothing about how the plant takes water.

How this section is made

Each card states this species' habitat figures with their sources, and what two fixed rules read from them; nothing here says what the plant does, wants or tolerates. The rules · the terms.

Seasons. Read from the median year of CHELSA monthly rainfall and mean temperature across the grid cells of the range: the rain rule takes the smallest set of months carrying 70% of the rain and calls it winter when its mean is more than half a degree below the year's, summer when more than that above, and neither in between; the temperature rule, used only under 120 mm, names the cooler six months when they are at least a degree cooler than the other six. Months are shifted for the other hemisphere only where the temperature curve moves 4 °C or more and the habitat lies 10° or more from the equator. A reading of the curves, not an observation of the plant.

Rain. CHELSA monthly precipitation, median year across the grid cells of the range. The rain that falls where the species is recorded; nothing about how the plant takes water.

Light. CHELSA shortwave radiation at each envelope cell, a daily-mean flux taken to a daily total and converted at 2.07 mol of PAR per MJ. The sky over the habitat, measured; what reaches a plant under a rock, a shrub or a shade cloth is not.

Temperature. NASA POWER daily minima and maxima over 44 years at a typical spot in the range, lapse-corrected -216 m to its elevation; CHELSA monthly means, median year across the grid cells of the range. The cold floor is the 1st-percentile night named in its sentence. Not a measured survival limit for any plant in a pot.

Humidity. CHELSA relative humidity, median year across the grid cells of the range.

Climate across the habitat

Habitat months, northern hemisphere

Habitat climate of Lupinus gussoneanus through the yearWarmest months July and August, mean daily high 28 °C; coldest month January, mean nightly low 6.2 °C; 696 mm of rain in the median year (the twelve monthly medians added). Medians across the range, from CHELSA; the extremes at the edge from NASA POWER. Habitat months, northern hemisphere.-10°0°10°20°30°40°frost33.8° 99th-percentile day, NASA POWER-4.5° lowest night in 44 years, NASA POWER°C · day and nightcold quarter050100150200mm rainDLI 12–48RH 55–62%JanFebMarAprMayJunJulAugSepOctNovDec
day night rain medians and 10th–90th percentile across 620 habitat cells, CHELSA cold quarter: the three months around the coldest month's mean nightly low extremes over 44 years at a typical spot in the range, from NASA POWER, marked at the edge, in no month DLI, mol/m²/dayRH %each on its own scale
Figures by month
JanFebMarAprMayJunJulAugSepOctNovDec
Day °C12 / 10–1512 / 10–1615 / 13–1917 / 14–2020 / 18–2325 / 21–2828 / 24–3228 / 25–3224 / 22–2820 / 19–2316 / 14–1813 / 11–16
Night °C6 / 3–107 / 3–108 / 5–1110 / 7–1313 / 11–1617 / 15–1919 / 17–2220 / 17–2317 / 15–2014 / 11–1710 / 7–148 / 4–11
Rain mm79 / 54–11866 / 47–9755 / 43–8567 / 49–9145 / 31–6820 / 10–426 / 2–1811 / 4–3443 / 27–8688 / 67–128103 / 80–154113 / 73–165
DLI14 / 12–1720 / 18–2330 / 27–3237 / 34–3942 / 41–4547 / 45–5048 / 46–5143 / 39–4533 / 30–3623 / 19–2615 / 13–1812 / 10–14
RH %61 / 59–6360 / 58–6359 / 56–6159 / 56–6258 / 54–6256 / 51–6355 / 48–6356 / 49–6358 / 52–6261 / 57–6361 / 59–6362 / 59–65
How this section is made
Each figure is the median across the 620 grid cells on land that hold in-range records (1096 records in those cells; 17 more cells hold records but no land by the elevation layer, so those records sit at sea and the cells are left out), with the 10th–90th percentile span across those cells after the slash where it differs. A dash is a month one or more of those cells has no figure for in the grid (a variable CHELSA does not carry there), so no median is taken rather than one over fewer cells. Extremes and elevation were read at a typical spot in the range, cell 931:3735 (43.425, 6.775). Over 44 years there: absolute minimum -4.5 °C, 1st-percentile night 2.8 °C, 99th-percentile day 33.8 °C. Normals: CHELSA V2.1 1981–2010 climatology, 0.05° cells (each the mean of ~36 1 km pixels). Across the range: median and 10th–90th percentile of each month across the 620 distinct grid cells holding 1096 of the 1124 in-range records (17 further cells with records at sea, by the elevation layer, left out); extremes and elevation at the typical cell 931:3735 (its coldest month's mean nightly low nearest the median across cells); its position is the cell centre. Extremes: NASA POWER (MERRA-2) daily 1981–2024, cell 43.50_6.875, lapse-corrected -216 m at 6.5 °C/km. Elevation: ETOPO 2022, 29 m (cell mean).

Natural habitat

Native range as published by WCVP; the marker is where the records are densest and decides nothing: the climate was read across the cells of the in-range records placed well enough to read one, not at the marker.
Openly licensed records inside the range, framed on where they fall.
NativeBaleares, Corse, France, Portugal, Sardegna, Spain, Albania, Greece, Italy, Kriti, Sicilia, Turkey-in-Europe, Yugoslavia, Algeria, Libya, Morocco, Tunisia, Cyprus, East Aegean Is., Lebanon-Syria, Palestine, Turkey · introduced: Germany, Ukraine, Transcaucasus · regions are the level-3 units of the World Geographical Scheme for Recording Plant Distributions, as Kew's World Checklist records ranges, some under historical names such as Yugoslavia or Czechoslovakia (how).
Map marker41.541, 9.14 · in the densest population, 719 records (53% of those in range)
Kew's description“annual” · “subtropical” · quoted from WCVP, RBG Kew (CC BY 4.0); not derived here
Evidence usedThe map marker rests on all 1366 georeferenced records inside the native range; the climate across the range on the 1096 of them in the land cells it reads, of 1124 placed to within 10 km; the map shows only the 544 openly licensed ones, which alone would put the marker 45 km away. 17 records outside the WCVP native range not used. 242 in-range records are placed to worse than 10 km, or with no stated accuracy (admitted only as a person's observation to three decimals), and stay on the map but off the climate.
How this section is made
The map marker: the openly licensed record nearest the middle of the densest 1° population inside the densest 4° block of the 1366 in-range records; it decides nothing. Records outside the native range, living specimens and records marked introduced are not used; which records count.

Photographs

Lupinus gussoneanus, photograph 1did not loadLupinus gussoneanus, photograph 2did not loadLupinus gussoneanus, photograph 3did not loadLupinus gussoneanus, photograph 4did not loadLupinus gussoneanus, photograph 5did not loadLupinus gussoneanus, photograph 6did not load

Photographs: (c) Duarte Frade, some rights reserved (CC BY); (c) Tracy Gould, some rights reserved (CC BY) (3); (c) jeanjacquesgodon, some rights reserved (CC BY) (2).

Similar habitat climate The 6 nearest by mean daily high, mean nightly low and rain, month by month. How.

Oenanthe globulosa Oenanthe globulosa Apiaceae Photo: CC BY, Yves BasRuta chalepensis Ruta chalepensis Fringed rue Photo: CC BY, Alessia GuggisbergFilago pygmaea Filago pygmaea Asteraceae Photo: CC BY, Mehdi ChetibiSedum caeruleum Sedum caeruleum Baby-blue Stone-crop Photo: CC BY, Gianmaria BonariLavandula stoechas Lavandula stoechas French lavender Photo: CC BY, zebedeugalinhaSelaginella denticulata Selaginella denticulata Toothed-leaved Clubmoss Photo: CC BY, Sami Törnblom

Other Lupinus 56 in the reference

Lupinus albicaulis Lupinus albicaulis Sickle-keel lupine Photo: CC BY, ConquestLupinus albifrons Lupinus albifrons Silver lupine Photo: CC BY, Sarah DillionLupinus albus Lupinus albus White lupin Photo: CC BY, Umut Nuri ErdoğanLupinus altimontanus Lupinus altimontanus Fabaceae Photo: CC BY, Humber AlbertoLupinus ammophilus Lupinus ammophilus Sand lupine Photo: CC BY, Anders HastingsLupinus angustifolius Lupinus angustifolius Narrow-leaved lupin Photo: CC BY-SA, Tony RebeloLupinus arboreus Lupinus arboreus Tree lupin Photo: CC0, author not statedLupinus arbustus Lupinus arbustus Long-spurred lupine Photo: CC0, author not statedLupinus arcticus Lupinus arcticus Arctic lupine Photo: CC BY, Peter L AchuffLupinus argenteus Lupinus argenteus Silvery lupine Photo: CC0, author not statedLupinus arizonicus Lupinus arizonicus Arizona lupine Photo: CC BY, Matt BergerLupinus benthamii Lupinus benthamii Spider lupine Photo: CC BY, graham_coop all 57 ›

Names & registers

Also known as Lupinus gussonianus; Lupinus hirsutus subsp. micranthus; Lupinus hirsutus var. gussoneanus; Lupinus hirsutus var. micranthus; Lupinus micranthus and 1 more. (GBIF Backbone)

GBIFPOWOIPNIWFOWikidataiNaturalist

The record

Family
Fabaceae
Described by
J.Agardh
Native to
Baleares, Corse, France +19
Wild records
1366 in range · 544 open

Every figure here is derived from public data by a stated rule and names its source; nothing about this species is written for its page by a person or by AI, apart from the marked, credited quotations. How →

Where this page came from built 2026-10-22
GBIF species record gbif.species answeredasked 2026-10-22
GBIF synonyms gbif.synonyms answeredasked 2026-10-22
GBIF common names gbif.vernacular answeredasked 2026-10-22names fetched 2026-10-22
WCVP native range wcvp.distribution answeredas of 2026-06-04
GBIF occurrence records gbif.occurrences answeredas of 2026-10-21GBIF occurrence download https://doi.org/10.15468/dl.hbdw64, of 2026-10-21; 16 records within 1 km of a botanic garden, herbarium or zoo left out (16 at a botanic garden or arboretum; Wikidata's list)
Habitat climate climate answeredasked 2026-10-22
Daily extremes (NASA POWER) climate.extremes answeredasked 2026-10-22NASA POWER (MERRA-2) daily 1981–2024, cell 43.50_6.875, lapse-corrected -216 m at 6.5 °C/km
Wikidata wikidata answeredasked 2026-10-22
Wikipedia wikipedia nothing to reportasked 2026-10-22
iNaturalist photographs, wild inat.photos.wild answeredasked 2026-10-22from iNaturalist's open data of 2026-09-27: research-grade observations with an open-licence photograph, the 24 whose photographs iNaturalist received last (the open data holds no votes); filled 2026-10-22
iNaturalist photographs, cultivated inat.photos.cultivated not asked
GBIF media gbif.media answeredasked 2026-10-22
OpenAlex papers openalex not askednot yet asked for this reference; a later fill takes the papers from OpenAlex's snapshot

Every source is recorded as having answered, reported nothing, refused, failed, not been asked, or answered twice where one answer is taken (“not taken: two items answered”), and, for a source asked when this page was built, when: the figures are as the source held them that day; a source read from a file (Kew's World Checklist, a GBIF download) says "as of" the file's day instead; a row carried from an earlier build of the page names that build instead. Only “nothing to report” is ever shown as an absence. Records came from 86 datasets via GBIF.org; each carries its own licence.

Cultifolio

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