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About the genus · Gunnera
Gunnera is the sole genus of herbaceous flowering plants in the family Gunneraceae, which contains 63 species. Some species in this genus, namely those in the subgenus Panke, have extremely large leaves. Species in the genus are variously native to Latin America, Australia, New Zealand, Papuasia, Hawaii, insular Southeast Asia, eastern Africa, and Madagascar. More on Wikipedia ›
Quoted from Wikipedia, "Gunnera", CC BY-SA 4.0.
Cultivation
Seasons
The rain rule reads no short rainy season: 70% of the median year's rain (1,712 mm of 2,321 mm) takes 8 months, March to July and September to November. Mean temperature moves 0.9 °C between the warmest and coldest month. Months are the habitat's, northern hemisphere. The habitat lies within 10° of the equator, where the shift rule does not apply, so they are not shifted for a collection elsewhere.
Rain
2,321 mm in the median year at the habitat, 1,712 mm of it March to July and September to November. Wettest month May at 255 mm, driest month January at 122 mm. Across the grid cells of the range the year's total runs 1,476 mm to 3,486 mm, the 10th to 90th percentile of each cell's own year. The median of the cells' own yearly totals, 2,419 mm, is the year's rain at the top of the page; the 2,321 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: 26 to 32 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 22, the highest 90th-percentile month 36).
Warmth and air
Monthly means: the coldest month's mean nightly low 6.2 °C in July and August (across the grid cells of the range 4.2 °C to 9.4 °C), the warmest month's mean daily high 15.1 °C in September (median year across the grid cells of the range, CHELSA). Cold floor: none read. The nearest figure is 6.2 °C, the coldest month's mean nightly low, July and August, in the median year (CHELSA); a month's mean of its nightly lows is warmer than the nights a floor is read from. The daily extremes were read at a weather cell whose ground is too far above or below the typical spot to correct for, and are not used.
Relative humidity at the habitat: 67 to 71% 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. CHELSA monthly means, median year across the grid cells of the range. No cold floor is read without a daily extremes series; the coldest month's mean nightly low named in its sentence is not one. 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
Mean daily high from 14 °C in Apr, May, Jun, Jul, Aug, Nov and Dec to 15 °C in Jan, Feb, Mar, Sep and Oct; mean nightly low from 6 °C in Jul, Aug and Sep to 8 °C in Mar, Apr and May. The cold quarter, Jul to Sep, is the three months around the coldest month's mean nightly low, centred on the 3 months in a row that tie for it. 2,321 mm of rain in the median year (the twelve monthly medians added), the wettest month May. The bands show the 10th to 90th percentile across 27 habitat cells. Beneath: daily light integral and relative humidity through the year, each on its own scale.
Figures by month
| Figure | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Day °C | 15 / 12–18 | 15 / 12–18 | 15 / 13–19 | 14 / 13–18 | 14 / 12–18 | 14 / 12–18 | 14 / 12–18 | 14 / 12–19 | 15 / 12–19 | 15 / 12–18 | 14 / 12–18 | 14 / 12–18 |
| Night °C | 7 / 5–10 | 7 / 5–11 | 8 / 5–11 | 8 / 5–11 | 8 / 5–11 | 7 / 5–10 | 6 / 4–9 | 6 / 4–9 | 6 / 4–10 | 7 / 5–10 | 7 / 5–10 | 7 / 5–10 |
| Rain mm | 122 / 45–190 | 160 / 68–204 | 203 / 113–277 | 229 / 160–374 | 255 / 151–366 | 211 / 79–269 | 182 / 59–241 | 167 / 55–235 | 172 / 87–295 | 243 / 151–403 | 217 / 147–374 | 160 / 74–262 |
| DLI | 31 / 29–34 | 32 / 28–34 | 30 / 28–34 | 27 / 24–32 | 26 / 22–31 | 26 / 22–32 | 27 / 24–35 | 31 / 27–36 | 32 / 28–36 | 30 / 26–34 | 28 / 25–33 | 29 / 27–32 |
| RH % | 67 / 64–71 | 68 / 63–72 | 69 / 64–73 | 71 / 65–74 | 70 / 65–74 | 71 / 62–74 | 69 / 61–74 | 68 / 59–72 | 67 / 60–72 | 68 / 64–71 | 69 / 65–71 | 68 / 65–71 |
The daily extremes were not used: the correction for elevation, +1069 m, is beyond the 1,000 m either way that a lapse rate is applied over, so the weather cell's ground is other terrain than the typical spot's. So no cold floor is read for this species, and the coldest month's mean nightly low is not taken as one. What that cell gave, so corrected, over 44 years: absolute minimum -0.5 °C, 1st-percentile night 2.7 °C.
How this section is made
Natural habitat
How this section is made
Photographs
Photographs: vasquez carlos, CC BY-SA, via GBIF (3).
Related
Similar habitat climate The 6 nearest by mean daily high, mean nightly low and rain, month by month. How.
Myrsine dependens Primulaceae Photo: CC BY, Carlos Torrente
Chaetogastra grossa Carmine Princess Flower Photo: CC BY, GERMAN LEONEL SARMIENTO CRUZ
Oncidium cultratum Orchidaceae Photo: CC BY, Frank Dietze
Grammitis moniliformis Polypodiaceae Photo: CC BY, Dairo Escobar Blechnum auratum Aspleniaceae Blechnum loxense Aspleniaceae Other Gunnera 24 in the reference
Gunnera berteroi Gunneraceae Photo: CC0, Matias Adolfo González Tobar Gunnera bogotana Gunneraceae 
Gunnera bracteata Gunneraceae Photo: CC BY, Flavien Saboureau
Gunnera brephogea Gunneraceae Photo: CC BY, EstebanMH
Gunnera cordifolia Gunneraceae Photo: CC BY, Nina Kerr Gunnera × cryptica Gunneraceae 
Gunnera densiflora Gunneraceae Photo: CC BY, Alice Shanks
Gunnera dentata Gunneraceae Photo: CC BY, Lorraine Cook Gunnera diazii Gunneraceae Gunnera flavida Gunneraceae 
Gunnera hamiltonii Gunneraceae Photo: CC BY, Irisa Hudson all 25 ›Names & registers
Also known as Gunnera chilensis var. pilosa. (GBIF Backbone)
The record
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 answeredasked 2026-10-22gbif.synonyms answeredasked 2026-10-22gbif.vernacular answeredasked 2026-10-22names fetched 2026-10-22wcvp.distribution answeredas of 2026-06-04gbif.occurrences answeredas of 2026-10-21GBIF occurrence download https://doi.org/10.15468/dl.hbdw64, of 2026-10-21; 2 records within 1 km of a botanic garden, herbarium or zoo left out (1 at a botanic garden or arboretum, 1 at a herbarium; Wikidata's list)climate answeredasked 2026-10-22climate.extremes answeredasked 2026-10-22NASA POWER (MERRA-2) daily 1981–2024, cell -1.50_-78.125, lapse-corrected +1069 m at 6.5 °C/km; read, and set aside: the correction for elevation, +1069 m, is beyond the 1,000 m either way that a lapse rate is applied over, so the weather cell's ground is other terrain than the typical spot's, so no cold floor is shownwikidata answeredasked 2026-10-22wikipedia nothing to reportasked 2026-10-22inat.photos.wild nothing to reportasked 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 2026-10-22inat.photos.cultivated not askedgbif.media answeredasked 2026-10-22commons nothing to reportasked 2026-10-22openalex not askednot yet asked for this reference; a later fill takes the papers from OpenAlex's snapshotEvery 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 29 datasets via GBIF.org; each carries its own licence.