Cochemiea schumannii (Hildm.) P.B.Breslin & Majure
Schummann's Nipple Cactus
72 photographs › At a glance
- Jan
- Feb
- Mar, under 5 mm of rain
- Apr, under 5 mm of rain
- May, under 5 mm of rain
- Jun, under 5 mm of rain
- Jul
- Aug, shaded
- Sep, shaded
- Oct, shaded
- Nov
- Dec
Summary
Cochemiea schumannii is a species of Cochemiea found in Mexico.
Quoted from Wikipedia, "Cochemiea schumannii", CC BY-SA 4.0.
About the genus · Cochemiea
Cochemiea is a genus of cactus. The group was previously synonymized with Mammillaria, until molecular phylogenetic studies determined that—when broadly circumscribed—Mammillaria is not monophyletic; thus, Cochemiea has been accepted as a distinct genus.
Quoted from Wikipedia, "Cochemiea", CC BY-SA 4.0.
Cultivation
Grouped as a cactus or succulent, listed under the family Cactaceae 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 (261 mm of 347 mm) falls in August to October, warmer than the year (wet-season mean 26.9 °C against a yearly mean of 23.1 °C). Months are the habitat's, northern hemisphere; shifted six months for a southern-hemisphere collection: February to April.
Rain
347 mm in the median year at the habitat, 261 mm of it August to October. Wettest month September at 142 mm, driest months (2 at 0 mm); 4 months under 5 mm. Across the grid cells of the range the year's total runs 311 mm to 408 mm, the 10th to 90th percentile of each cell's own year. The median of the cells' own yearly totals, 352 mm, is the year's rain at the top of the page; the 347 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: 27 to 51 mol/m²/day across the year (daily light integral, median year across the grid cells of the range, CHELSA).
Warmth and air
Coldest: the 1st-percentile night over 44 years at a typical spot in the range is 13.4 °C, the absolute minimum 8.7 °C, no frost in 44 years (NASA POWER daily minima). Warmest: the 99th-percentile day is 36.7 °C. Monthly means: the coldest month's mean nightly low 16.3 °C in February (across the grid cells of the range 13.9 °C to 18.1 °C), the warmest month's mean daily high 30.7 °C in August (median year across the grid cells of the range, CHELSA). Cold floor: 13.4 °C, which is the 1st-percentile night over 44 years at a typical spot in the range (NASA POWER).
Relative humidity at the habitat: 52 to 65% 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 -36 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 family Cactaceae 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, northern hemisphere
Mean daily high from 23 °C in Jan and Feb to 31 °C in Aug; mean nightly low from 16 °C in Jan and Feb to 25 °C in Aug and Sep. The cold quarter, Dec to Feb, is the three months around the coldest month's mean nightly low, centred on the 2 months in a row that tie for it. 347 mm of rain in the median year (the twelve monthly medians added), the wettest month Sep. The bands show the 10th to 90th percentile across 13 habitat cells. Over 44 years at a typical spot in the range (NASA POWER) the absolute minimum was 8.7 °C and the 99th-percentile day 36.7 °C; neither is dated to a month. 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 | 23 / 22–24 | 23 / 22–25 | 24 / 23–26 | 26 / 24–28 | 27 / 24–29 | 28 / 26–31 | 30 / 28–32 | 31 / 29–32 | 30 / 29–31 | 30 / 28–30 | 27 / 26–28 | 24 / 23–25 |
| Night °C | 16 / 14–18 | 16 / 14–18 | 17 / 14–18 | 18 / 16–19 | 19 / 17–21 | 21 / 19–23 | 24 / 22–25 | 25 / 23–26 | 25 / 23–26 | 24 / 21–25 | 20 / 18–22 | 18 / 15–20 |
| Rain mm | 21 / 19–23 | 7 / 6–8 | 2 / 2–3 | 0 / 0–1 | 0 | 1 / 1–2 | 29 / 22–41 | 86 / 70–106 | 142 / 118–159 | 33 / 25–47 | 11 / 10–16 | 15 / 14–20 |
| DLI | 29 / 29–30 | 36 / 35–36 | 43 / 43–43 | 48 / 48–49 | 51 / 51–51 | 50 / 50–50 | 45 / 45–46 | 43 / 42–43 | 38 / 38–39 | 36 / 36–37 | 31 / 31–31 | 27 / 27–28 |
| RH % | 57 / 54–60 | 55 / 52–60 | 54 / 51–60 | 52 / 50–59 | 53 / 50–60 | 56 / 52–61 | 59 / 55–64 | 62 / 59–64 | 65 / 62–66 | 60 / 57–62 | 58 / 56–59 | 58 / 55–59 |
How this section is made
Natural habitat
How this section is made
Photographs
Photographs: (c) MarvalPhotography19, some rights reserved (CC BY) (2); (c) P Gonzalez Zamora, some rights reserved (CC BY); (c) Abraham Sánchez Romero, some rights reserved (CC BY) (3).
Related
Similar habitat climate The 6 nearest by mean daily high, mean nightly low and rain, month by month. How.
Mammillaria peninsularis Cactaceae Photo: CC BY-SA, James C. Davis
Cochemiea armillata Los Cabos Nipple Cactus Photo: CC BY, Erick Vélez Sánchez
Gossypium klotzschianum Galapagos Cotton Photo: CC BY, Rachel Allingham
Cochemiea capensis Cactaceae Photo: CC BY, Abraham Sánchez Romero
Ferocactus townsendianus Cactaceae Photo: CC BY, Jose Luis Leon de la Luz
Cochemiea fraileana Cactaceae Photo: CC BY, Abraham Sánchez RomeroOther Cochemiea 33 in the reference
Cochemiea albicans Cactaceae Photo: CC BY, Bill Levine Cochemiea armillata Los Cabos Nipple Cactus Photo: CC BY, Erick Vélez Sánchez
Cochemiea barbata Green-flowered pincushion cactus Photo: CC BY, Elisa
Cochemiea blossfeldiana Cactaceae Photo: CC BY, MarvalPhotography19
Cochemiea boolii Cactaceae Photo: CC BY, Norma Piedra Cochemiea capensis Cactaceae Photo: CC BY, Abraham Sánchez Romero
Cochemiea cerralboa Cactaceae Photo: CC0, author not stated
Cochemiea conoidea Cactaceae Photo: CC BY, CK2AZ
Cochemiea dioica Coastal Fish Hook Cactus Photo: CC BY, Sue Carnahan
Cochemiea estebanensis Cactaceae Photo: CC BY, Luis Fernando Valdez Ojeda Cochemiea fraileana Cactaceae Photo: CC BY, Abraham Sánchez Romero
Cochemiea grahamii Graham's nipple cactus Photo: CC BY, Bruce Hartman all 34 ›Names & registers
Also known as Bartschella schumannii; Mammillaria schumannii; Mammillaria schumannii subsp. globosa; Mammillaria schumannii var. globosa; Mammillaria venusta. (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 2026-10-21
gbif.species answeredasked 2026-10-21gbif.synonyms answeredasked 2026-10-21gbif.vernacular answeredasked 2026-10-21names fetched 2026-10-21wcvp.distribution answeredas of 2026-06-04gbif.occurrences answeredas of 2026-10-21GBIF occurrence download https://doi.org/10.15468/dl.hbdw64, of 2026-10-21climate answeredasked 2026-10-21climate.extremes answeredasked 2026-10-21NASA POWER (MERRA-2) daily 1981–2024, cell 24.00_-110.000, lapse-corrected -36 m at 6.5 °C/kmwikidata answeredasked 2026-10-21wikipedia answeredasked 2026-10-21inat.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 2026-10-22inat.photos.cultivated not askedgbif.media answeredasked 2026-10-21openalex 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 5 datasets via GBIF.org; each carries its own licence.