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Bactris barronis L.H.Bailey

Arecaceae · Panama, Colombia

Photographs not checked iNaturalist was skipped (not asked) when this page was built. Not asked, or not answered, is not "none": nothing here claims there is none. Why the site says it this way.
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Habitat figures
Cold floor (1 night in 100)
21.4°C
Record low 20.0 °C in 44 years, at a typical spot in the range NASA POWER
Warmest month, mean daily high
29°C
Feb, Mar and Apr at the habitat CHELSA
Rain a year (median across the range)
4,411mm
12 months of 25 mm or more in the median year CHELSA
Open-sky light
25–34DLI
Lowest to highest month (DLI) CHELSA
The year in the habitat's months, not shifted
  1. Jan
  2. Feb
  3. Mar
  4. Apr
  5. May
  6. Jun
  7. Jul
  8. Aug
  9. Sep
  10. Oct
  11. Nov
  12. Dec
A sharp rainy season, May to November (the habitat's months, not shifted), in a year of even temperature. rain rule, CHELSA
Not shifted: the shift rule does not apply to this habitat. The chart is in the habitat's months.

Summary

Bactris barronis is a species of flowering plant in the family Arecaceae. It is a shrub or tree with spikes, and orange-red fruits. The species is native to Colombia and Panama.

Quoted from Wikipedia, "Bactris barronis", CC BY-SA 4.0.

Cultivation

Seasons

The rain rule reads a sharp season: 70% of the median year's rain (3,136 mm of 4,449 mm) falls in May to November. The temperature curve is flat, 0.9 °C between the warmest and coldest month, so the growing-season rule does not infer a growing season from it. 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

4,449 mm in the median year at the habitat, 3,136 mm of it May to November. Wettest month October at 497 mm, driest month January at 178 mm. Across the grid cells of the range the year's total runs 2,749 mm to 8,257 mm, the 10th to 90th percentile of each cell's own year. The median of the cells' own yearly totals, 4,411 mm, is the year's rain at the top of the page; the 4,449 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: 25 to 34 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 18, the highest 90th-percentile month 39).

Warmth and air
Temperature

Coldest: the 1st-percentile night over 44 years at a typical spot in the range is 21.4 °C, the absolute minimum 20.0 °C, no frost in 44 years (NASA POWER daily minima). Warmest: the 99th-percentile day is 31.8 °C. Monthly means: the coldest month's mean nightly low 22.6 °C in July, August, September, October, November and December (across the grid cells of the range 20.6 °C to 23.6 °C), the warmest month's mean daily high 29.3 °C in March (median year across the grid cells of the range, CHELSA). Cold floor: 21.4 °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: 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. NASA POWER daily minima and maxima over 44 years at a typical spot in the range, lapse-corrected -123 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 Bactris barronis through the yearWarmest months February, March and April, mean daily high 29 °C; coldest months July, August, September, October, November and December, mean nightly low 22.6 °C; 4,449 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.15°20°25°30°35°31.8° 99th-percentile day, NASA POWER20.0° lowest night in 44 years, NASA POWER°C · day and nightcold quarter02004006008001000mm rainDLI 25–34RH 67–71%JanFebMarAprMayJunJulAugSepOctNovDec
day night rain medians and 10th–90th percentile across 34 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 °C28 / 26–3029 / 27–3129 / 27–3129 / 27–3028 / 27–2928 / 26–3028 / 26–3028 / 26–3028 / 26–3028 / 26–2927 / 26–2928 / 26–29
Night °C23 / 21–2423 / 21–2423 / 21–2423 / 21–2423 / 21–2423 / 21–2423 / 21–2423 / 21–2423 / 21–2423 / 21–2323 / 21–2323 / 21–24
Rain mm178 / 71–565189 / 124–496258 / 185–540370 / 276–703462 / 305–781411 / 199–759455 / 183–750436 / 219–820434 / 289–826497 / 367–861441 / 294–751318 / 143–685
DLI30 / 21–3332 / 23–3634 / 24–3731 / 22–3528 / 20–3427 / 18–3527 / 19–3828 / 20–3929 / 20–3627 / 20–3325 / 19–3026 / 19–31
RH %68 / 62–7167 / 61–7168 / 62–7170 / 65–7370 / 65–7370 / 63–7469 / 60–7369 / 60–7471 / 64–7471 / 66–7471 / 67–7470 / 65–73
How this section is made
Each figure is the median across the 34 grid cells holding the 47 in-range records, 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 1685:2068 (5.725, -76.575). Over 44 years there: absolute minimum 20.0 °C, 1st-percentile night 21.4 °C, 99th-percentile day 31.8 °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 34 distinct grid cells holding 47 of the 47 in-range records; extremes and elevation at the typical cell 1685:2068 (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 5.50_-76.875, lapse-corrected -123 m at 6.5 °C/km. Elevation: ETOPO 2022, 71 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.
NativePanama, Colombia · 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 marker9.152, -79.736 · in the densest population, 73 records (71% of those in range)
Kew's description“shrub or tree” · “wet tropical” · quoted from WCVP, RBG Kew (CC BY 4.0); not derived here
Evidence usedThe map marker rests on all 103 georeferenced records inside the native range; the climate across the range on the 47 of them placed to within 10 km; the map shows only the 67 openly licensed ones, which alone would put the marker in the same place. 56 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 2° block of the 103 in-range records; it decides nothing. Records outside the native range, living specimens and records marked introduced are not used; which records count.

Photographs

Not checked. iNaturalist was skipped (not asked) when this page was built; GBIF's observation records with coordinates hold none. Not a statement that none exist.

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

Magnolia katiorum Magnoliaceae Pentaclethra macroloba Pentaclethra macroloba Fabaceae Photo: CC BY, er-birdsDipteryx oleifera Dipteryx oleifera Fabaceae Photo: CC BY, My-Lan LeAnthurium acutangulum Anthurium acutangulum Araceae Photo: CC BY-SA, Lena StruweDalechampia dioscoreifolia Dalechampia dioscoreifolia Euphorbiaceae Photo: CC BY, Nicolás Baresch UribeAristolochia cordiflora Aristolochia cordiflora Aristolochiaceae Photo: CC0, Dario Taraborelli

Other Bactris 9 in the reference

Bactris brongniartii Arecaceae Bactris ferruginea Bactris ferruginea Arecaceae Photo: CC BY, Alex Popovkin, Bahia, Brazil from BrazilBactris gasipaes Bactris gasipaes Peach palm Photo: CC BY, Tara SevernsBactris guineensis Bactris guineensis Guinea bactris Photo: CC BY-SA, Djibo ZanzotBactris hirta Bactris hirta Arecaceae Photo: CC BY, Carlos Otávio GussoniBactris major Bactris major Beach palm Photo: CC BY, Daniel Pineda VeraBactris maraja Bactris maraja Arecaceae Photo: CC BY, keesgroenendijkBactris setosa Bactris setosa Arecaceae Photo: CC BY, Diogo LuizBactris setulosa Bactris setulosa Arecaceae Photo: CC BY, Alfredo Gutierrez Dipaz

Names & registers

GBIFPOWOIPNIWFOWikidataWikipediaiNaturalist

The record

Family
Arecaceae
Described by
L.H.Bailey
Native to
Panama, Colombia
Wild records
103 in range · 67 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 2026-10-21
GBIF species record gbif.species answeredasked 2026-10-21
GBIF synonyms gbif.synonyms answeredasked 2026-10-21
GBIF common names gbif.vernacular answeredasked 2026-10-21names fetched 2026-10-21
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
Habitat climate climate answeredasked 2026-10-21
Daily extremes (NASA POWER) climate.extremes answeredasked 2026-10-21NASA POWER (MERRA-2) daily 1981–2024, cell 5.50_-76.875, lapse-corrected -123 m at 6.5 °C/km
Wikidata wikidata answeredasked 2026-10-21
Wikipedia wikipedia answeredasked 2026-10-21
iNaturalist photographs, wild inat.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 2026-10-22
iNaturalist photographs, cultivated inat.photos.cultivated not asked
GBIF media gbif.media nothing to reportasked 2026-10-21
Wikimedia Commons commons nothing to reportasked 2026-10-21
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…