Example ⟳ +
An example collection, so you can see what this page does. Nothing added here is kept: leaving deletes it.
Cyanotis cristata; photograph author not stated, no rights reserved CC0author not stated, no rights reserved · observed growing wild · 2026-08-29

Cyanotis cristata (L.) D.Don

Crested Cat Ears

Commelinaceae · Ethiopia, Socotra +22

Add one to my plants
Sow seed
Cyanotis cristata, photograph (c) Raja Sekhar Chimirala, some rights reserved (CC BY)Cyanotis cristata, photograph (c) Raja Sekhar Chimirala, some rights reserved (CC BY)Cyanotis cristata, photograph (c) Raja Sekhar Chimirala, some rights reserved (CC BY)Cyanotis cristata, photograph (c) Jahnavee Palsodkar (she/her), some rights reserved (CC BY)Cyanotis cristata, photograph (c) Jahnavee Palsodkar (she/her), some rights reserved (CC BY)Cyanotis cristata, photograph (c) Aadi Kulkarni, some rights reserved (CC BY) 60 photographs ›
Habitat figures
Cold floor (1 night in 100)
13.4°C
Record low 9.3 °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)
1,538mm
8 months of 25 mm or more in the median year CHELSA
Open-sky light
26–43DLI
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
A rainy season, June to September, neither the cool nor the warm half of the year. rain rule, CHELSA
Northern hemisphere unless you set your site. The chart is in the habitat's months.

Summary

Cyanotis cristata is a species of perennial plant in the family Commelinaceae. It is native to the Indian subcontinent, southern China, Southeast Asia, Ethiopia, Socotra, Mauritius, Java, and the Philippines.

Quoted from Wikipedia, "Cyanotis cristata", CC BY-SA 4.0.

Cultivation

Seasons

The rain rule reads a rainy season with no name: 70% of the median year's rain (916 mm of 1,306 mm) falls in June to September, whose mean temperature, 25.7 °C, is within half a degree of the year's, 25.3 °C, so it is neither the cooler nor the warmer part of the year. Months are the habitat's, northern hemisphere; shifted six months for a southern-hemisphere collection: December to March.

Rain

1,306 mm in the median year at the habitat, 916 mm of it June to September. Wettest month July at 292 mm, driest months (2 at 7 mm). Across the grid cells of the range the year's total runs 834 mm to 3,263 mm, the 10th to 90th percentile of each cell's own year. The median of the cells' own yearly totals, 1,538 mm, is the year's rain at the top of the page; the 1,306 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: 26 to 43 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 13.4 °C, the absolute minimum 9.3 °C, no frost in 44 years (NASA POWER daily minima). Warmest: the 99th-percentile day is 43.5 °C. Monthly means: the coldest month's mean nightly low 16.1 °C in January (across the grid cells of the range 12.2 °C to 22.6 °C), the warmest month's mean daily high 33.0 °C in April (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).

Humidity

Relative humidity at the habitat: 52 to 68% 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 -38 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 Cyanotis cristata through the yearWarmest month April, mean daily high 33 °C; coldest month January, mean nightly low 16.1 °C; 1,306 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°43.5° 99th-percentile day, NASA POWER9.3° lowest night in 44 years, NASA POWER°C · day and nightcold quarter02004006008001000mm rainDLI 26–43RH 52–68%JanFebMarAprMayJunJulAugSepOctNovDec
day night rain medians and 10th–90th percentile across 173 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 / 25–3130 / 27–3232 / 29–3533 / 30–3732 / 29–3929 / 26–3528 / 25–3128 / 25–3028 / 26–3129 / 26–3228 / 25–3128 / 25–31
Night °C16 / 12–2318 / 14–2321 / 17–2523 / 20–2625 / 21–2724 / 20–2723 / 20–2523 / 19–2523 / 19–2521 / 18–2418 / 16–2416 / 13–23
Rain mm7 / 1–247 / 1–3519 / 1–7048 / 2–154101 / 15–264178 / 72–734292 / 89–989250 / 104–652196 / 114–378151 / 52–33947 / 13–22310 / 3–68
DLI34 / 30–3739 / 34–4142 / 39–4443 / 37–4741 / 32–4731 / 25–3626 / 22–3227 / 22–3331 / 28–3432 / 29–3531 / 29–3331 / 28–34
RH %55 / 49–6252 / 46–6253 / 42–6357 / 43–6660 / 45–6866 / 54–7368 / 61–7468 / 63–7567 / 61–7264 / 52–6960 / 48–6857 / 49–63
How this section is made
Each figure is the median across the 173 grid cells holding the 255 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 1409:5060 (19.525, 73.025). Over 44 years there: absolute minimum 9.3 °C, 1st-percentile night 13.4 °C, 99th-percentile day 43.5 °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 173 distinct grid cells holding 255 of the 255 in-range records; extremes and elevation at the typical cell 1409:5060 (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 19.50_73.125, lapse-corrected -38 m at 6.5 °C/km. Elevation: ETOPO 2022, 88 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.
NativeEthiopia, Socotra, Mauritius, China South-Central, Hainan, China Southeast, Assam, Bangladesh, East Himalaya, India, Laccadive Is., Maldives, Nepal, Pakistan, Sri Lanka, West Himalaya, Cambodia, Laos, Myanmar, Thailand, Vietnam, Jawa, Malaya, Philippines · introduced: Windward 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 marker17.422, 78.526 · in the densest population, 115 records (27% of those in range)
Kew's description“annual” · “seasonally dry tropical” · quoted from WCVP, RBG Kew (CC BY 4.0); not derived here
Evidence usedThe map marker rests on all 419 georeferenced records inside the native range; the climate across the range on the 255 of them placed to within 10 km; the map shows only the 210 openly licensed ones, which alone would put the marker 48 km away. 10 records outside the WCVP native range not used. 164 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 419 in-range records; it decides nothing. Records outside the native range, living specimens and records marked introduced are not used; which records count.

Photographs

Cyanotis cristata, photograph 1did not loadCyanotis cristata, photograph 2did not loadCyanotis cristata, photograph 3did not loadCyanotis cristata, photograph 4did not loadCyanotis cristata, photograph 5did not loadCyanotis cristata, photograph 6did not load

Photographs: (c) Raja Sekhar Chimirala, some rights reserved (CC BY) (3); (c) Jahnavee Palsodkar (she/her), some rights reserved (CC BY) (2); (c) Aadi Kulkarni, some rights reserved (CC BY).

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

Wrightia arborea Wrightia arborea Apocynaceae Photo: CC BY, Ravuri Krishna ChaitanyaStephanotis volubilis Stephanotis volubilis Jukti Photo: CC BY, 黃其君Garuga pinnata Garuga pinnata Garuga Photo: CC BY, T R Shankar RamanTerminalia bellirica Terminalia bellirica Beleric myrobalan Photo: CC BY, Ravuri Krishna ChaitanyaDendrophthoe falcata Dendrophthoe falcata Loranthaceae Photo: CC BY, P JeganathanTerminalia anogeissiana Terminalia anogeissiana Indian Sumac Photo: CC BY, Ravuri Krishna Chaitanya

Other Cyanotis 9 in the reference

Cyanotis arachnoidea Cyanotis arachnoidea Commelinaceae Photo: CC BY, 祐Cyanotis axillaris Cyanotis axillaris Creeping Cradle Plant Photo: CC BY, Rohit NaniwadekarCyanotis beddomei Cyanotis beddomei Teddy-bear Vine Photo: CC BY-SA, Krzysztof Ziarnek, KenraizCyanotis ciliata Cyanotis ciliata Commelinaceae Photo: CC BY, 呂一起(Lyu yi-chi)Cyanotis kawakamii Cyanotis kawakamii Commelinaceae Photo: CC BY, 呂一起(Lyu yi-chi)Cyanotis lapidosa Cyanotis lapidosa Commelinaceae Photo: CC BY, Matthew FainmanCyanotis somaliensis Cyanotis somaliensis Pussy-ears Photo: CC BY-SA, LucaLucaCyanotis speciosa Cyanotis speciosa Doll's Powderpuff Photo: CC BY, Henry de LangeCyanotis vaga Cyanotis vaga Commelinaceae Photo: CC BY, Sebastian Doak

Names & registers

Also known as Commelina cristata; Commelina papilionacea; Cyanotis cavaleriei; Cyanotis huegelii; Cyanotis imbricata and 12 more. (GBIF Backbone)

GBIFPOWOIPNIWFOWikidataWikipediaiNaturalist

The record

Family
Commelinaceae
Described by
(L.) D.Don
Native to
Ethiopia, Socotra, Mauritius +21
Wild records
419 in range · 210 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
GBIF species record gbif.species answeredasked 2026-10-22
GBIF synonyms gbif.synonyms answeredasked 2026-10-22
GBIF common names gbif.vernacular answeredasked 2026-10-22names fetched 2026-10-22
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; 4 records within 1 km of a botanic garden, herbarium or zoo left out (4 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 19.50_73.125, lapse-corrected -38 m at 6.5 °C/km
Wikidata wikidata answeredasked 2026-10-22
Wikipedia wikipedia answeredasked 2026-10-22
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 2026-10-22
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 34 datasets via GBIF.org; each carries its own licence.

Cultifolio

Opening your plants…