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Echinopsis huascha; photograph Dru Bloomfield from Scottsdale, Arizona, USA, CC BY 2.0, via Wikimedia Commons CC BYDru Bloomfield from Scottsdale, Arizona, USA, CC BY 2.0, via Wikimedia Commons

Echinopsis huascha (F.A.C.Weber) H.Friedrich & G.D.Rowley

Cactaceae · Argentina Northwest · listed by its genus as a cactus or succulent

English names not checked: Wikidata's common names were not read for this page.

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Echinopsis huascha, photograph Dru Bloomfield from Scottsdale, Arizona, USA, CC BY 2.0, via Wikimedia CommonsEchinopsis huascha, photograph Jofre, CC0, via Wikimedia CommonsEchinopsis huascha, photograph Frank Vincentz, CC BY-SA 3.0, via Wikimedia CommonsEchinopsis huascha, photograph Cliff from Arlington, Virginia, USA, CC BY 2.0, via Wikimedia CommonsEchinopsis huascha, photograph Cliff from Arlington, Virginia, USA, CC BY 2.0, via Wikimedia CommonsEchinopsis huascha, photograph Allie_Caulfield from Germany, CC BY 2.0, via Wikimedia Commons 12 photographs ›
Habitat figures
Cold floor (1 night in 100)
0.4°C
Record low -8.8 °C in 44 years, at a typical spot in the range NASA POWER
Warmest month, mean daily high
26°C
Dec at the habitat CHELSA
Rain a year (median across the range)
509mm
7 months of 25 mm or more in the median year CHELSA
Open-sky light
23–44DLI
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 summers: the rain comes June to September (December to March at the habitat), read as a summer growing season. rain rule, CHELSA
Northern hemisphere unless you set your site. The chart is in the habitat's months.

Summary

Echinopsis huascha, synonym Soehrensia huascha, is a species of Echinopsis in the family Cactaceae, found in north western Argentina.

Quoted from Wikipedia, "Echinopsis huascha", CC BY-SA 4.0.

About the genus · Echinopsis

Echinopsis is a genus of cacti native to South America, sometimes known as hedgehog cactus, sea-urchin cactus or Easter lily cactus. As of November 2025, Plants of the World Online used a broad circumscription of the genus, resulting in about 80 accepted species, ranging from large and treelike types to small globose cacti. The name derives from echinos hedgehog or sea urchin, and opsis appearance, a reference to these plants' dense coverings of spines.

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

Cultivation

Grouped as a cactus or succulent, listed under the genus Echinopsis in the archetype table, and Kew describes it as “succulent subshrub”.

Seasons

The rain rule reads a summer growing season: 70% of the median year's rain (358 mm of 497 mm) falls in December to March, warmer than the year (wet-season mean 20.5 °C against a yearly mean of 16.1 °C). Months are the habitat's, southern hemisphere; shifted six months for a northern-hemisphere collection: June to September.

Rain

497 mm in the median year at the habitat, 358 mm of it December to March. Wettest month January at 112 mm, driest month June at 4 mm; 1 month under 5 mm. Across the grid cells of the range the year's total runs 218 mm to 832 mm, the 10th to 90th percentile of each cell's own year. The median of the cells' own yearly totals, 509 mm, is the year's rain at the top of the page; the 497 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: 23 to 44 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 48).

Warmth and air
Temperature

Coldest: the 1st-percentile night over 44 years at a typical spot in the range is 0.4 °C, the absolute minimum -8.8 °C, 105 frost nights in 44 years, 2.4 a year (NASA POWER daily minima). Warmest: the 99th-percentile day is 35.6 °C. Monthly means: the coldest month's mean nightly low 4.7 °C in July (across the grid cells of the range 1.4 °C to 7.5 °C), the warmest month's mean daily high 25.5 °C in December (median year across the grid cells of the range, CHELSA). Cold floor: 0.4 °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: 51 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 -940 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.

Group. Listed under the genus Echinopsis in the archetype table, and Kew describes it as “succulent subshrub”. A group is taken only where Kew's description of the species agrees with the table's listing. The table gives no figure and no prose; the cold floor is the habitat's alone.

Climate across the habitat

Habitat months, southern hemisphere

Habitat climate of Echinopsis huascha through the yearWarmest month December, mean daily high 26 °C; coldest month July, mean nightly low 4.7 °C; 497 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, southern hemisphere.-10°0°10°20°30°40°frost35.6° 99th-percentile day, NASA POWER-8.8° lowest night in 44 years, NASA POWER°C · day and nightcold quarter050100150200mm rainDLI 23–44RH 51–62%JanFebMarAprMayJunJulAugSepOctNovDec
day night rain medians and 10th–90th percentile across 47 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 °C25 / 22–3024 / 21–2923 / 20–2721 / 18–2419 / 16–2117 / 14–2016 / 13–1919 / 15–2220 / 16–2423 / 19–2724 / 21–2926 / 22–30
Night °C17 / 13–2116 / 12–2015 / 11–1912 / 8–159 / 5–116 / 3–95 / 1–87 / 3–98 / 4–1112 / 8–1614 / 10–1816 / 12–20
Rain mm112 / 58–17595 / 47–14470 / 29–12129 / 8–5311 / 4–234 / 2–107 / 3–135 / 3–1010 / 3–1727 / 9–5046 / 17–8781 / 38–143
DLI41 / 38–4538 / 35–4231 / 29–3626 / 23–3223 / 20–2723 / 18–2625 / 21–2730 / 27–3335 / 33–3939 / 37–4543 / 39–4844 / 40–48
RH %60 / 54–6560 / 55–6562 / 57–6761 / 56–6657 / 54–6452 / 48–6051 / 47–5651 / 47–5452 / 49–5654 / 49–5856 / 51–6057 / 52–62
How this section is made
Each figure is the median across the 47 grid cells holding the 65 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 2382:2248 (-29.125, -67.575). Over 44 years there: absolute minimum -8.8 °C, 1st-percentile night 0.4 °C, 99th-percentile day 35.6 °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 47 distinct grid cells holding 65 of the 65 in-range records; extremes and elevation at the typical cell 2382:2248 (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 -29.00_-67.500, lapse-corrected -940 m at 6.5 °C/km. Elevation: ETOPO 2022, 1567 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.

This species has no GBIF key of its own. Its records are GBIF's under the key of the name Kew's World Checklist holds as this plant: 7279801 (Soehrensia huascha (F.A.C.Weber) Schlumpb., 99 records). No name was matched to GBIF; the keys are read from Kew's synonymy. How.

NativeArgentina Northwest · introduced: Canary Is. · 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-28.69, -66.39 · in the densest population, 65 records (89% of those in range)
Kew's description“succulent subshrub” · “desert or dry shrubland” · quoted from WCVP, RBG Kew (CC BY 4.0); not derived here
Evidence usedThe map marker rests on all 73 georeferenced records inside the native range; the climate across the range on the 65 of them placed to within 10 km; the map shows only the 25 openly licensed ones, which alone would put the marker 21 km away. 6 records outside the WCVP native range not used. 8 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.
Other GBIF keysRecords also from GBIF's key 7279801 (Soehrensia huascha (F.A.C.Weber) Schlumpb.): Kew's file holds it as Soehrensia huascha (F.A.C.Weber) Schlumpb. (synonym under Echinopsis huascha (F.A.C.Weber) H.Friedrich & G.D.Rowley); 99 records, from GBIF's download.
How this section is made
The map marker: the openly licensed record nearest the middle of the densest 1° population of the 73 in-range records; it decides nothing. Records outside the native range, living specimens and records marked introduced are not used; which records count.

Photographs

Echinopsis huascha, photograph 1did not loadEchinopsis huascha, photograph 2did not loadEchinopsis huascha, photograph 3did not loadEchinopsis huascha, photograph 4did not loadEchinopsis huascha, photograph 5did not loadEchinopsis huascha, photograph 6did not load

Photographs: Dru Bloomfield from Scottsdale, Arizona, USA, CC BY 2.0, via Wikimedia Commons; Jofre, CC0, via Wikimedia Commons; Frank Vincentz, CC BY-SA 3.0, via Wikimedia Commons; Cliff from Arlington, Virginia, USA, CC BY 2.0, via Wikimedia Commons (2); Allie_Caulfield from Germany, CC BY 2.0, via Wikimedia Commons.

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

Gymnocalycium saglionis Gymnocalycium saglionis Cactaceae Photo: CC0, author not statedParodia microsperma Parodia microsperma Cactaceae Photo: CC0, author not statedDeuterocohnia longipetala Deuterocohnia longipetala Bromeliaceae Photo: CC0, author not statedDyckia velascana Dyckia velascana Bromeliaceae Photo: Public domain, DaderotParasenegalia visco Parasenegalia visco Visite Photo: CC BY, Tomás TamagnoGymnocalycium rhodantherum Gymnocalycium rhodantherum Cactaceae Photo: CC BY-SA, Hryhorii22

Other Echinopsis 48 in the reference

Echinopsis albispinosa Echinopsis albispinosa Cactaceae Photo: CC BY, Kay UrbanEchinopsis ancistrophora Echinopsis ancistrophora Cactaceae Photo: CC BY-SA, Pete Cupial-JonesEchinopsis angelesiae Echinopsis angelesiae Cactaceae Photo: CC0, DaderotEchinopsis arachnacantha Echinopsis arachnacantha Cactaceae Photo: CC BY, Paul KaluschkeEchinopsis aurea Echinopsis aurea Cactaceae Photo: CC0, author not statedEchinopsis backebergii Echinopsis backebergii Cactaceae Photo: CC BY, Paul KaluschkeEchinopsis bridgesii Echinopsis bridgesii Cactaceae Photo: CC BY, msscactiEchinopsis bruchii Echinopsis bruchii Cactaceae Photo: CC BY, Yazz'Echinopsis calochlora Echinopsis calochlora Cactaceae Photo: CC0, author not statedEchinopsis calorubra Echinopsis calorubra Cactaceae Photo: CC BY-SA, Michael WolfEchinopsis camarguensis Echinopsis camarguensis Cactaceae Photo: CC BY-SA, Frank VincentzEchinopsis cardenasiana Echinopsis cardenasiana Cactaceae Photo: CC BY-SA, Pete Cupial-Jones all 49 ›

Names & registers

Also known as Trichocereus huascha; Cereus huascha; Salpingolobivia huascha; Helianthocereus huascha; Lobivia huascha and 1 more. (WCVP, RBG Kew)

IPNIPOWOWikidataWFOWikipedia

The record

Family
Cactaceae
Described by
(F.A.C.Weber) H.Friedrich & G.D.Rowley
Native to
Argentina Northwest
Wild records
73 in range · 25 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
Kew's names (WCVP) kew.names answeredas of 2026-06-04Kew's entry Echinopsis huascha (F.A.C.Weber) H.Friedrich & G.D.Rowley (plant_name_id 2783463), read from Kew's names file
GBIF species record gbif.species not askedGBIF's backbone holds no one accepted species of this name, and a name it holds only as another species' synonym is not taken for this one, so GBIF's records were not asked
GBIF synonyms gbif.synonyms not askedGBIF's backbone holds no one accepted species of this name, and a name it holds only as another species' synonym is not taken for this one, so GBIF's records were not asked
GBIF common names gbif.vernacular not askedGBIF's backbone holds no one accepted species of this name, and a name it holds only as another species' synonym is not taken for this one, so GBIF's records were not asked
WCVP native range wcvp.distribution answeredas of 2026-06-04
GBIF occurrence records gbif.occurrences answeredas of 2026-10-21this species has no GBIF key of its own; its records are read under GBIF's keys for the names Kew's file holds as this plant, never by a name matched; GBIF occurrence download https://doi.org/10.15468/dl.hbdw64, of 2026-10-21; 99 records of GBIF's key 7279801, Soehrensia huascha (F.A.C.Weber) Schlumpb. (Kew's file holds it as Soehrensia huascha (F.A.C.Weber) Schlumpb. (synonym under Echinopsis huascha (F.A.C.Weber) H.Friedrich & G.D.Rowley)): the GBIF download; 1 record within 1 km of a botanic garden, herbarium or zoo left out (1 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 -29.00_-67.500, lapse-corrected -940 m at 6.5 °C/km
Wikidata wikidata answeredasked 2026-10-22found by Kew's IPNI identifier 132688-1, POWO 132688-1
Wikipedia wikipedia answeredasked 2026-10-22
iNaturalist photographs, wild inat.photos.wild not asked
iNaturalist photographs, cultivated inat.photos.cultivated not asked
GBIF media gbif.media not askedGBIF's backbone holds no one accepted species of this name, and a name it holds only as another species' synonym is not taken for this one, so GBIF's records were not asked
Wikimedia Commons commons 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 8 datasets via GBIF.org; each carries its own licence.

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