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An example collection, so you can see what this page does. Nothing added here is kept: leaving deletes it.
Albizia procera; photograph (c) Emmett Serrano, some rights reserved (CC BY) CC BY(c) Emmett Serrano, some rights reserved (CC BY) · observed growing wild · 2024-12-28

Albizia procera (Roxb.) Benth.

Tall albizia; White siris; Tall albizzia; Black siris

Fabaceae · China South-Central, Hainan +29

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Albizia procera, photograph (c) Cricket Raspet, some rights reserved (CC BY)Albizia procera, photograph (c) Kurt Miller, some rights reserved (CC BY-SA)Albizia procera, photograph (c) Kurt Miller, some rights reserved (CC BY-SA)Albizia procera, photograph (c) Kurt Miller, some rights reserved (CC BY-SA)Albizia procera, photograph (c) Sayee Girdhari, some rights reserved (CC BY)Albizia procera, photograph (c) Raja Sekhar Chimirala, some rights reserved (CC BY) 71 photographs ›
Habitat figures
Cold floor (1 night in 100)
11.4°C
Record low 5.1 °C in 44 years, at a typical spot in the range NASA POWER
Warmest month, mean daily high
33°C
Apr at the habitat CHELSA
Rain a year (median across the range)
2,015mm
10 months of 25 mm or more in the median year CHELSA
Open-sky light
27–41DLI
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
Wet summers: the rain comes May to September (the habitat's months, not shifted), read as a summer growing season. rain rule, CHELSA
Not shifted: the shift rule does not apply to this habitat. The chart is in the habitat's months.

Summary

Albizia procera, commonly known as white siris or karoi tree, is a species of large tree found natively in southeast Asia and India. It is most commonly found in open forests, but may also be found on the margins of rain forests and in monsoon and gallery forests. It is considered an invasive species in South Africa.

Quoted from Wikipedia, "Albizia procera", CC BY-SA 4.0.

About the genus · Albizia

Albizia is a genus of more than 160 species of mostly fast-growing subtropical and tropical trees and shrubs in the subfamily Mimosoideae of the family Fabaceae. The genus is pantropical, occurring in Asia, Africa, Madagascar, America and Australia, but mostly in the Old World tropics. In some locations, some species are considered weeds.

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

Cultivation

Seasons

The rain rule reads a summer growing season: 70% of the median year's rain (1,400 mm of 1,839 mm) falls in May to September, warmer than the year (wet-season mean 26.6 °C against a yearly mean of 26.0 °C). 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

1,839 mm in the median year at the habitat, 1,400 mm of it May to September. Wettest month July at 377 mm, driest month January at 16 mm. Across the grid cells of the range the year's total runs 896 mm to 3,264 mm, the 10th to 90th percentile of each cell's own year. The median of the cells' own yearly totals, 2,015 mm, is the year's rain at the top of the page; the 1,839 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 41 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 22, the highest 90th-percentile month 47).

Warmth and air
Temperature

Coldest: the 1st-percentile night over 44 years at a typical spot in the range is 11.4 °C, the absolute minimum 5.1 °C, no frost in 44 years (NASA POWER daily minima). Warmest: the 99th-percentile day is 40.3 °C. Monthly means: the coldest month's mean nightly low 18.1 °C in January (across the grid cells of the range 10.9 °C to 23.8 °C), the warmest month's mean daily high 32.5 °C in April (median year across the grid cells of the range, CHELSA). Cold floor: 11.4 °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: 57 to 69% 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 +30 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 Albizia procera through the yearWarmest month April, mean daily high 33 °C; coldest month January, mean nightly low 18.1 °C; 1,839 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°50°40.3° 99th-percentile day, NASA POWER5.1° lowest night in 44 years, NASA POWER°C · day and nightcold quarter0200400600800mm rainDLI 27–41RH 57–69%JanFebMarAprMayJunJulAugSepOctNovDec
day night rain medians and 10th–90th percentile across 292 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 / 22–3230 / 23–3432 / 26–3533 / 27–3831 / 28–4029 / 27–3628 / 27–3128 / 27–3129 / 27–3129 / 27–3228 / 24–3028 / 22–30
Night °C18 / 11–2419 / 13–2422 / 17–2524 / 20–2625 / 22–2724 / 22–2724 / 22–2624 / 21–2523 / 21–2522 / 19–2421 / 15–2419 / 12–24
Rain mm16 / 3–4722 / 3–11136 / 4–13989 / 4–187188 / 11–285293 / 67–705377 / 100–787305 / 114–621237 / 115–355155 / 34–37495 / 11–22326 / 4–104
DLI33 / 23–3738 / 27–4041 / 31–4339 / 32–4735 / 31–4630 / 25–3727 / 24–3428 / 22–3431 / 27–3631 / 28–3530 / 25–3331 / 22–34
RH %57 / 49–6457 / 45–6457 / 40–6562 / 38–6664 / 41–6767 / 53–7269 / 62–7269 / 63–7167 / 61–7064 / 51–6963 / 49–6760 / 49–64

Records on both sides of the equator: the 124 cells at least 10° south of it have seasons six months apart and are left out, not combined into a year no place has. These figures are across the 292 cells that remain: the 205 at least 10° north and the 87 within 10° of the equator, which stay in either way.

How this section is made
Each figure is the median across the 292 grid cells on land that hold in-range records (463 records in those cells; 2 more cells hold records but no land by the elevation layer, so those records sit at sea and the cells are 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 1502:5632 (14.875, 101.625). Over 44 years there: absolute minimum 5.1 °C, 1st-percentile night 11.4 °C, 99th-percentile day 40.3 °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 292 distinct grid cells holding 463 of the 655 in-range records (2 further cells with records at sea, by the elevation layer, left out) on the northern side of the equator (205 cells poleward of 10° north, 124 poleward of 10° south: the two sides' seasons are not combined, and cells within 10° of the equator stay in); extremes and elevation at the typical cell 1502:5632 (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 15.00_101.875, lapse-corrected +30 m at 6.5 °C/km. Elevation: ETOPO 2022, 256 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, Assam, Bangladesh, East Himalaya, India, Nepal, Sri Lanka, West Himalaya, Andaman Is., Cambodia, Laos, Myanmar, Thailand, Vietnam, Borneo, Jawa, Lesser Sunda Is., Malaya, Maluku, Philippines, Sulawesi, Sumatera, Bismarck Archipelago, New Guinea, Solomon Is., Northern Territory, Queensland, Western Australia · introduced: Egypt, Gulf of Guinea Is., Sudan, Uganda, Zimbabwe, Northern Provinces, Pakistan, Fiji, Florida, Honduras, Cuba, Dominican Republic, Jamaica, Leeward Is. AB Ant, Puerto Rico · 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 marker9.383, 76.596 · in the densest population, 174 records (21% of those in range)
Kew's description“tree” · “wet tropical” · quoted from WCVP, RBG Kew (CC BY 4.0); not derived here
Evidence usedThe map marker rests on all 839 georeferenced records inside the native range; the climate across the range on the 463 of them in the land cells it reads, of 655 placed to within 10 km; the map shows only the 694 openly licensed ones, which alone would put the marker in the same place. 138 records outside the WCVP native range not used. 184 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 839 in-range records; it decides nothing. Records outside the native range, living specimens and records marked introduced are not used; which records count.

Photographs

Albizia procera, photograph 1did not loadAlbizia procera, photograph 2did not loadAlbizia procera, photograph 3did not loadAlbizia procera, photograph 4did not loadAlbizia procera, photograph 5did not loadAlbizia procera, photograph 6did not load

Photographs: (c) Cricket Raspet, some rights reserved (CC BY); (c) Kurt Miller, some rights reserved (CC BY-SA) (3); (c) Sayee Girdhari, some rights reserved (CC BY); (c) Raja Sekhar Chimirala, some rights reserved (CC BY).

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

Crateva religiosa Crateva religiosa Sacred garlic pear Photo: CC BY, P JeganathanLagerstroemia speciosa Lagerstroemia speciosa Pride of India Photo: CC BY, Sindhu HaridasSyzygium cumini Syzygium cumini Java plum Photo: CC BY, Ben MachadoTorenia fournieri Torenia fournieri Bluewings Photo: CC0, author not statedMallotus nudiflorus Mallotus nudiflorus False White Teak Photo: CC BY-SA, Dinesh ValkeTabernaemontana divaricata Tabernaemontana divaricata Pinwheelflower Photo: CC BY, Sabarni Sarker

Other Albizia 15 in the reference

Albizia adianthifolia Albizia adianthifolia West African albizia Photo: CC BY, Bruno - Yolande ZanetteAlbizia amara Albizia amara Krishna Siris Photo: CC BY-SA, Vikas D PrasadAlbizia anthelmintica Albizia anthelmintica Worm-bark false-thorn Photo: CC BY, Malte KrömerAlbizia chinensis Albizia chinensis Chinese albizia Photo: CC BY-SA, Dinesh ValkeAlbizia forbesii Albizia forbesii Broad-pod Albizia Photo: CC BY-SA, Brian du PreezAlbizia guillainii Albizia guillainii Fabaceae Photo: CC BY-SA, MonofruitAlbizia gummifera Albizia gummifera Peacock Flower Photo: CC BY, Dr. Alexey YakovlevAlbizia harveyi Albizia harveyi Bushveld Albizia Photo: CC BY, Alan MansonAlbizia julibrissin Albizia julibrissin Silk tree Photo: CC BY, WATANABE Hitoshi 渡辺仁Albizia kalkora Albizia kalkora Kalkora mimosa Photo: CC BY, 黃美滿Albizia lebbeck Albizia lebbeck Woman's tongue Photo: CC BY, 五色鳥 Albizia lucida Fabaceae all 16 ›

Names & registers

Also known as Acacia procera; Acacia procera subsp. elata; Acacia procera subsp. roxburghiana; Acacia procera var. elata; Acacia procera var. roxburghiana and 12 more. (GBIF Backbone)

Under another author Acacia elata (Roxb.) Voigt is an older name of this species, not Acacia elata, a species of the reference. (GBIF Backbone)

GBIFPOWOIPNIWFOWikidataWikipediaiNaturalist

The record

Family
Fabaceae
Described by
(Roxb.) Benth.
Native to
China South-Central, Hainan, China Southeast +28
Wild records
839 in range · 694 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; 125 records within 1 km of a botanic garden, herbarium or zoo left out (88 at a botanic garden or arboretum, 37 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 15.00_101.875, lapse-corrected +30 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 70 datasets via GBIF.org; each carries its own licence.

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