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Nolana humifusa (Gouan) I.M.Johnst.

Trailing Chilean-bellflower

Solanaceae · Peru

Sow seed
Nolana humifusa, photograph (c) GREGORY ANTHONY PAUCA TANCO, some rights reserved (CC BY)Nolana humifusa, photograph (c) GREGORY ANTHONY PAUCA TANCO, some rights reserved (CC BY)Nolana humifusa, photograph (c) GREGORY ANTHONY PAUCA TANCO, some rights reserved (CC BY)Nolana humifusa, photograph (c) Viktor, some rights reserved (CC BY)Nolana humifusa, photograph (c) Ellky Arteta Paredes, some rights reserved (CC BY)Nolana humifusa, photograph (c) Ellky Arteta Paredes, some rights reserved (CC BY) 101 photographs ›

At a glance

Habitat figures
Coldest month, mean nightly low
14.3°C
Aug at the habitat, not a floor; extremes not used (the weather cell's ground is too far off) CHELSA
Warmest month, mean daily high
24°C
Jan, Feb and Mar at the habitat CHELSA
Rain a year (median across the range)
51mm
No month of 25 mm or more in the median year CHELSA
Open-sky light
30–45DLI
Lowest to highest month (DLI) CHELSA
The year in your months, northern hemisphere
  1. Jan, shaded, under 5 mm of rain
  2. Feb, shaded
  3. Mar, shaded, under 5 mm of rain
  4. Apr, shaded, under 5 mm of rain
  5. May, shaded, under 5 mm of rain
  6. Jun, under 5 mm of rain
  7. Jul
  8. Aug
  9. Sep
  10. Oct, under 5 mm of rain
  11. Nov, under 5 mm of rain
  12. Dec, shaded, under 5 mm of rain
51 mm of rain in the median year, under the rule's 120 mm, so no rainy season is read; the cooler six months are December to May (June to November at the habitat). rain and temperature rules, CHELSA
Northern hemisphere unless you set your site. The chart is in the habitat's months.

Cultivation

Seasons

Rain at the habitat is 51 mm in the median year (across the grid cells of the range, CHELSA). Under 120 mm the rain rule reads no rainy season, and the growing-season rule infers nothing from it. The temperature rule reads the cooler six months as June to November. Months are the habitat's, southern hemisphere; shifted six months for a northern-hemisphere collection: December to May.

Rain

51 mm in the median year at the habitat. Wettest month February at 7 mm, driest months (5 at 3 mm); 8 months under 5 mm. Across the grid cells of the range the year's total runs 31 mm to 93 mm, the 10th to 90th percentile of each cell's own year. The median of the cells' own yearly totals, 51 mm, is the year's rain at the top of the page; the 51 mm here is the median year's, the twelve monthly medians added, which the rain rule reads. Habitat calendar, southern hemisphere; median year across the grid cells of the range, CHELSA.

Light

Open sky over the habitat: 30 to 45 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 25, the highest 90th-percentile month 46).

Warmth and air
Temperature

Monthly means: the coldest month's mean nightly low 14.3 °C in August (across the grid cells of the range 12.8 °C to 15.2 °C), the warmest month's mean daily high 24.2 °C in February (median year across the grid cells of the range, CHELSA). Cold floor: none read. The nearest figure is 14.3 °C, the coldest month's mean nightly low, 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.

Humidity

Relative humidity at the habitat: 68 to 72% 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, southern hemisphere

Habitat climate of Nolana humifusa through the yearWarmest months January, February and March, mean daily high 24 °C; coldest month August, mean nightly low 14.3 °C; 51 mm of rain in the median year (the twelve monthly medians added). Medians across the range, from CHELSA. Habitat months, southern hemisphere.10°15°20°25°30°°C · day and nightcold quarter01020mm rainDLI 30–45RH 68–72%JanFebMarAprMayJunJulAugSepOctNovDec
day night rain medians and 10th–90th percentile across 49 habitat cells, CHELSA cold quarter: the three months around the coldest month's mean nightly low DLI, mol/m²/dayRH %each on its own scale
Figures by month
FigureJanFebMarAprMayJunJulAugSepOctNovDec
Day °C24 / 22–2524 / 23–2624 / 22–2623 / 21–2421 / 19–2319 / 18–2118 / 17–2018 / 17–2019 / 17–2120 / 18–2220 / 19–2322 / 21–24
Night °C20 / 19–2021 / 19–2120 / 19–2119 / 17–1917 / 16–1715 / 14–1615 / 13–1514 / 13–1515 / 13–1515 / 14–1616 / 15–1718 / 17–18
Rain mm6 / 3–117 / 3–166 / 3–153 / 1–73 / 2–53 / 2–74 / 2–95 / 2–74 / 3–63 / 2–73 / 2–64 / 2–8
DLI39 / 37–4238 / 35–4137 / 35–4036 / 32–3833 / 28–3530 / 25–3231 / 26–3435 / 30–3840 / 36–4244 / 42–4545 / 43–4642 / 41–44
RH %72 / 69–7571 / 69–7470 / 68–7370 / 68–7470 / 66–7470 / 65–7469 / 64–7468 / 63–7469 / 63–7369 / 64–7370 / 65–7370 / 67–74

The daily extremes were not used: the correction for elevation, -1064 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 16.7 °C, 1st-percentile night 18.5 °C.

How this section is made
Each figure is the median across the 49 grid cells on land that hold in-range records (120 records in those cells; 1 more cell holds records but no land by the elevation layer, so those records sit at sea and the cell is 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 2044:2061 (-12.225, -76.925). 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 49 distinct grid cells holding 120 of the 121 in-range records (1 further cell with records at sea, by the elevation layer, left out); extremes and elevation at the typical cell 2044:2061 (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 -12.00_-76.875, lapse-corrected -1064 m at 6.5 °C/km. Elevation: ETOPO 2022, 131 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.
NativePeru · introduced: Germany · 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 marker-12.138, -76.923 · in the densest population, 110 records (61% of those in range)
Kew's description“annual or subshrub” · “seasonally dry tropical” · quoted from WCVP, RBG Kew (CC BY 4.0); not derived here
Evidence usedThe map marker rests on all 181 georeferenced records inside the native range; the climate across the range on the 120 of them in the land cells it reads, of 121 placed to within 10 km; the map shows only the 116 openly licensed ones, which alone would put the marker 9 km away. 5 records outside the WCVP native range not used. 60 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 of the 181 in-range records; it decides nothing. Records outside the native range, living specimens and records marked introduced are not used; which records count.

Photographs

Photographs: (c) GREGORY ANTHONY PAUCA TANCO, some rights reserved (CC BY) (3); (c) Viktor, some rights reserved (CC BY); (c) Ellky Arteta Paredes, 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.

Other Nolana 3 in the reference

Names & registers

Also known as Belladonna peruviana; Nolana humifusa var. humifusa; Nolana parviflora. (GBIF Backbone)

The record

Family
Solanaceae
Described by
(Gouan) I.M.Johnst.
Native to
Peru
Wild records
181 in range · 116 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; 20 records within 1 km of a botanic garden, herbarium or zoo left out (6 at a botanic garden or arboretum, 11 at a herbarium, 3 at a zoo; 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 -12.00_-76.875, lapse-corrected -1064 m at 6.5 °C/km; read, and set aside: the correction for elevation, -1064 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 shown
Wikidata wikidata answeredasked 2026-10-22IPNI and POWO linked by Kew's number for Nolana humifusa (Gouan) I.M.Johnst. (the item's: IPNI 603904-1, POWO 170181-2)
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 21 datasets via GBIF.org; each carries its own licence.

Cultifolio

Opening your plants…