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Atalantia buxifolia; photograph (c) vrxz, some rights reserved (CC BY-SA) CC BY-SA(c) vrxz, some rights reserved (CC BY-SA) · observed growing wild · 2026-07-15

Atalantia buxifolia (Poir.) Oliv. ex Benth.

Box-leaved Atalantia; Chinese box-orange

Rutaceae · China South-Central, Hainan +5

Cited as Kew's World Checklist cites it, Atalantia buxifolia (Poir.) Oliv. ex Benth.: GBIF's backbone key for this page carries the name with another author, (Poir.) Oliv.

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Atalantia buxifolia, photograph (c) vrxz, some rights reserved (CC BY-SA)Atalantia buxifolia, photograph (c) 謝麗霦, some rights reserved (CC BY)Atalantia buxifolia, photograph (c) 謝麗霦, some rights reserved (CC BY)Atalantia buxifolia, photograph (c) 謝麗霦, some rights reserved (CC BY)Atalantia buxifolia, photograph (c) 謝麗霦, some rights reserved (CC BY)Atalantia buxifolia, photograph (c) 謝麗霦, some rights reserved (CC BY) 54 photographs ›
Habitat figures
Cold floor (1 night in 100)
12.4°C
Record low 6.5 °C in 44 years, at a typical spot in the range NASA POWER
Warmest month, mean daily high
30°C
Jul at the habitat CHELSA
Rain a year (median across the range)
2,209mm
12 months of 25 mm or more in the median year CHELSA
Open-sky light
22–36DLI
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 May to September, 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

Atalantia buxifolia, synonym Severinia buxifolia, is a species of plant in the family Rutaceae, related to Citrus and Citropsis. Its common names include Chinese box-orange, box orange or boxthorn. It is native to southern China. It produces small black berries that resemble black currants. More on Wikipedia ›

Quoted from Wikipedia, "Atalantia buxifolia", CC BY-SA 4.0.

Cultivation

Seasons

The rain rule reads a summer growing season: 70% of the median year's rain (1,788 mm of 2,196 mm) falls in May to September, warmer than the year (wet-season mean 27.2 °C against a yearly mean of 23.3 °C). Months are the habitat's, northern hemisphere; shifted six months for a southern-hemisphere collection: November to March.

Rain

2,196 mm in the median year at the habitat, 1,788 mm of it May to September. Wettest month August at 425 mm, driest month January at 25 mm. Across the grid cells of the range the year's total runs 1,875 mm to 2,936 mm, the 10th to 90th percentile of each cell's own year. The median of the cells' own yearly totals, 2,209 mm, is the year's rain at the top of the page; the 2,196 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: 22 to 36 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 20, the highest 90th-percentile month 38).

Warmth and air
Temperature

Coldest: the 1st-percentile night over 44 years at a typical spot in the range is 12.4 °C, the absolute minimum 6.5 °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 13.4 °C in January (across the grid cells of the range 12.1 °C to 18.0 °C), the warmest month's mean daily high 29.5 °C in July (median year across the grid cells of the range, CHELSA). Cold floor: 12.4 °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: 61 to 67% 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 -430 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 Atalantia buxifolia through the yearWarmest month July, mean daily high 30 °C; coldest month January, mean nightly low 13.4 °C; 2,196 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.0°10°20°30°40°36.7° 99th-percentile day, NASA POWER6.5° lowest night in 44 years, NASA POWER°C · day and nightcold quarter0100200300400500600mm rainDLI 22–36RH 61–67%JanFebMarAprMayJunJulAugSepOctNovDec
day night rain medians and 10th–90th percentile across 114 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 °C21 / 18–2222 / 18–2323 / 21–2625 / 24–2827 / 26–2929 / 27–3030 / 28–3029 / 28–3029 / 27–2927 / 25–2824 / 22–2622 / 19–23
Night °C13 / 12–1815 / 14–1917 / 16–2021 / 19–2323 / 21–2525 / 23–2626 / 23–2725 / 23–2724 / 22–2622 / 21–2419 / 17–2215 / 13–19
Rain mm25 / 18–4650 / 26–8870 / 35–105130 / 53–198258 / 176–334413 / 358–473394 / 317–512425 / 351–562298 / 238–43968 / 45–16438 / 24–8627 / 17–46
DLI23 / 20–2425 / 21–2831 / 25–3434 / 29–3833 / 30–3633 / 31–3536 / 35–3833 / 31–3531 / 30–3330 / 28–3125 / 23–2622 / 21–23
RH %61 / 60–6463 / 61–6764 / 61–6965 / 63–7165 / 64–7167 / 65–7166 / 64–7067 / 66–7066 / 64–6863 / 61–6662 / 59–6561 / 58–64
How this section is made
Each figure is the median across the 114 grid cells on land that hold in-range records (385 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 1339:6007 (23.025, 120.375). Over 44 years there: absolute minimum 6.5 °C, 1st-percentile night 12.4 °C, 99th-percentile day 36.7 °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 114 distinct grid cells holding 385 of the 386 in-range records (1 further cell with records at sea, by the elevation layer, left out); extremes and elevation at the typical cell 1339:6007 (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 23.00_120.625, lapse-corrected -430 m at 6.5 °C/km. Elevation: ETOPO 2022, 84 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.
NativeChina South-Central, Hainan, China Southeast, Taiwan, Laos, Vietnam, Philippines · introduced: Florida · 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 marker22.694, 120.357 · in the densest population, 384 records (74% of those in range)
Kew's description“shrub” · “subtropical” · quoted from WCVP, RBG Kew (CC BY 4.0); not derived here
Evidence usedThe map marker rests on all 522 georeferenced records inside the native range; the climate across the range on the 385 of them in the land cells it reads, of 386 placed to within 10 km; the map shows only the 156 openly licensed ones, which alone would put the marker 4 km away. 113 records outside the WCVP native range not used. 136 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 522 in-range records; it decides nothing. Records outside the native range, living specimens and records marked introduced are not used; which records count.

Photographs

Atalantia buxifolia, photograph 1did not loadAtalantia buxifolia, photograph 2did not loadAtalantia buxifolia, photograph 3did not loadAtalantia buxifolia, photograph 4did not loadAtalantia buxifolia, photograph 5did not loadAtalantia buxifolia, photograph 6did not load

Photographs: (c) vrxz, some rights reserved (CC BY-SA); (c) 謝麗霦, some rights reserved (CC BY) (5).

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

Phoenix loureiroi Phoenix loureiroi Loureir's date palm Photo: CC0, author not statedClitoria ternatea Clitoria ternatea Asian pigeonwings Photo: CC BY, Renjith Jacob MathewsChloris barbata Chloris barbata Swollen windmill grass Photo: CC BY, Yu-Huang Wang Flemingia prostrata Fabaceae Macaranga tanarius Macaranga tanarius Parasol leaf tree Photo: CC0, author not statedPittosporum pentandrum Pittosporum pentandrum Taiwanese cheesewood Photo: CC BY, chiuluan

Other Atalantia 1 in the reference

Atalantia monophylla Atalantia monophylla Indian atalantia Photo: CC BY, Suhel Quader

Names & registers

Also known as Atalantia bilocularis; Atalantia loureiroana; Citrus buxifolia; Citrus emarginata; Dumula sinensis and 7 more. (GBIF Backbone)

Under another author Atalantia monophylla Hook. & Arn. is an older name of this species, not Atalantia monophylla, a species of the reference. (GBIF Backbone)

GBIFPOWOIPNIWFOWikidataWikipediaiNaturalist

The record

Family
Rutaceae
Described by
(Poir.) Oliv. ex Benth.
Native to
China South-Central, Hainan, China Southeast +4
Wild records
522 in range · 156 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 2026-10-21GBIF's key 5593924 is Atalantia buxifolia (Poir.) Oliv.; the page links Kew's Atalantia buxifolia (Poir.) Oliv. ex Benth., and the name is cited as Kew cites it
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; 130 records within 1 km of a botanic garden, herbarium or zoo left out (30 at a botanic garden or arboretum, 100 at a zoo; Wikidata's list)
Habitat climate climate answeredasked 2026-10-21
Daily extremes (NASA POWER) climate.extremes answeredasked 2026-10-21NASA POWER (MERRA-2) daily 1981–2024, cell 23.00_120.625, lapse-corrected -430 m at 6.5 °C/km
Wikidata wikidata answeredasked 2026-10-21
Wikipedia wikipedia answeredasked 2026-10-21
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 2026-10-21
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 37 datasets via GBIF.org; each carries its own licence.

Cultifolio

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