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Anemonastrum flaccidum; photograph WATANABE Hitoshi 渡辺仁, CC BY, iNaturalist via GBIF CC BYWATANABE Hitoshi 渡辺仁, CC BY, iNaturalist via GBIF

Anemonastrum flaccidum (Fr.Schmidt) Mosyakin

Flaccid Anemone

Ranunculaceae · Kuril Is., Sakhalin +3

Cited as Kew's World Checklist cites it, Anemonastrum flaccidum (Fr.Schmidt) Mosyakin: GBIF's backbone key for this page carries the name with another author, (F.Schmidt) Mosyakin.

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Anemonastrum flaccidum, photograph Se Lena, CC BY, iNaturalist via GBIFAnemonastrum flaccidum, photograph Yoshimasa Uchiyama, CC BY, iNaturalist via GBIFAnemonastrum flaccidum, photograph Yoshimasa Uchiyama, CC BY, iNaturalist via GBIFAnemonastrum flaccidum, photograph Yoshimasa Uchiyama, CC BY, iNaturalist via GBIFAnemonastrum flaccidum, photograph Yoshimasa Uchiyama, CC BY, iNaturalist via GBIFAnemonastrum flaccidum, photograph Se Lena, CC BY, iNaturalist via GBIF 24 photographs ›
Habitat figures
Cold floor (1 night in 100)
-13.3°C
Record low -18.4 °C in 44 years, at a typical spot in the range NASA POWER
Warmest month, mean daily high
25°C
Aug at the habitat CHELSA
Rain a year (median across the range)
1,616mm
12 months of 25 mm or more in the median year CHELSA
Open-sky light
15–35DLI
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 April to October, 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

Anemonastrum flaccidum, commonly known as the flaccid anemone or soft windflower, is a species of flowering plant in the family Ranunculaceae. It is a low-growing perennial native to East Asia.

Quoted from Wikipedia, "Anemonastrum flaccidum", CC BY-SA 4.0.

About the genus · Anemonastrum

Anemonastrum is a genus of flowering plants in the family Ranunculaceae. Plants of the genus are native to the temperate and subarctic regions of North America, Greenland, Europe, Asia, South America, and New Zealand. The generic name Anemonastrum means "somewhat like anemone", a reference to the Anemone genus of closely related plants. More on Wikipedia ›

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

Cultivation

Seasons

The rain rule reads a summer growing season: 70% of the median year's rain (1,169 mm of 1,593 mm) falls in April to October, warmer than the year (wet-season mean 15.9 °C against a yearly mean of 9.5 °C). Months are the habitat's, northern hemisphere; shifted six months for a southern-hemisphere collection: October to April.

Rain

1,593 mm in the median year at the habitat, 1,169 mm of it April to October. Wettest month September at 216 mm, driest month December at 69 mm. Across the grid cells of the range the year's total runs 1,190 mm to 2,642 mm, the 10th to 90th percentile of each cell's own year. The median of the cells' own yearly totals, 1,616 mm, is the year's rain at the top of the page; the 1,593 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: 15 to 35 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 9, the highest 90th-percentile month 37).

Warmth and air
Temperature

Coldest: the 1st-percentile night over 44 years at a typical spot in the range is -13.3 °C, the absolute minimum -18.4 °C, 6,851 frost nights in 44 years, 155.7 a year (NASA POWER daily minima). Warmest: the 99th-percentile day is 28.5 °C. Monthly means: the coldest month's mean nightly low -8.4 °C in January (across the grid cells of the range -14.6 °C to -0.9 °C), the warmest month's mean daily high 25.4 °C in August (median year across the grid cells of the range, CHELSA). Cold floor: -13.3 °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: 59 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 +132 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 Anemonastrum flaccidum through the yearWarmest month August, mean daily high 25 °C; coldest month January, mean nightly low -8.4 °C; 1,593 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.-20°-10°0°10°20°30°frost28.5° 99th-percentile day, NASA POWER-18.4° lowest night in 44 years, NASA POWER°C · day and nightcold quarter0100200300400mm rainDLI 15–35RH 59–67%JanFebMarAprMayJunJulAugSepOctNovDec
day night rain medians and 10th–90th percentile across 273 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 °C0 / -8–81 / -7–85 / -2–1212 / 5–1717 / 11–2121 / 15–2424 / 18–2825 / 20–2921 / 17–2516 / 10–209 / 3–153 / -4–10
Night °C-8 / -15–-1-8 / -14–0-4 / -9–42 / -2–98 / 3–1413 / 8–1817 / 13–2218 / 14–2314 / 10–208 / 3–131 / -4–8-5 / -10–2
Rain mm70 / 45–18372 / 48–148106 / 66–193111 / 72–175130 / 92–214167 / 77–279194 / 129–328184 / 141–267216 / 152–310167 / 114–221107 / 70–21369 / 38–192
DLI17 / 11–1922 / 18–2527 / 25–3133 / 31–3635 / 32–3732 / 28–3631 / 28–3331 / 28–3324 / 23–2620 / 18–2316 / 11–1815 / 9–17
RH %60 / 55–6760 / 55–6559 / 57–6359 / 56–6261 / 58–6465 / 62–6867 / 64–7066 / 63–7065 / 62–6762 / 59–6560 / 58–6460 / 56–65
How this section is made
Each figure is the median across the 273 grid cells holding the 443 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 1064:6391 (36.775, 139.575). Over 44 years there: absolute minimum -18.4 °C, 1st-percentile night -13.3 °C, 99th-percentile day 28.5 °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 273 distinct grid cells holding 443 of the 443 in-range records; extremes and elevation at the typical cell 1064:6391 (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 37.00_139.375, lapse-corrected +132 m at 6.5 °C/km. Elevation: ETOPO 2022, 1057 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.
NativeKuril Is., Sakhalin, China South-Central, China Southeast, Japan · 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 marker35.94, 138.877 · in the densest population, 537 records (40% of those in range)
Kew's description“perennial” · “temperate” · quoted from WCVP, RBG Kew (CC BY 4.0); not derived here
Evidence usedThe map marker rests on all 1335 georeferenced records inside the native range; the climate across the range on the 443 of them placed to within 10 km; the map shows only the 942 openly licensed ones, which alone would put the marker 44 km away. 16 records outside the WCVP native range not used. 892 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 1335 in-range records; it decides nothing. Records outside the native range, living specimens and records marked introduced are not used; which records count.

Photographs

Anemonastrum flaccidum, photograph 1did not loadAnemonastrum flaccidum, photograph 2did not loadAnemonastrum flaccidum, photograph 3did not loadAnemonastrum flaccidum, photograph 4did not loadAnemonastrum flaccidum, photograph 5did not loadAnemonastrum flaccidum, photograph 6did not load

Photographs: Se Lena, CC BY, iNaturalist via GBIF (2); Yoshimasa Uchiyama, CC BY, iNaturalist via GBIF (4).

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

Scirpus wichurae Scirpus wichurae Long pine-cone bulrush Photo: CC BY, WATANABE Hitoshi 渡辺仁Cercidiphyllum japonicum Cercidiphyllum japonicum Katsura-tree Photo: CC BY, Navin SasikumarHumulus cordifolius Humulus cordifolius Cannabaceae Photo: CC BY, Илья РуденкоAralia cordata Aralia cordata Japanese-spikenard Photo: CC BY, mami_t_tHosta sieboldii Hosta sieboldii Siebold's Plantain Lily Photo: CC BY, Yoshihiro TokueActaea japonica Actaea japonica Jejudo bugbane Photo: CC BY-SA, Qwert1234

Other Anemonastrum 19 in the reference

Anemonastrum baicalense Anemonastrum baicalense Ranunculaceae Photo: CC BY, neyasitAnemonastrum biarmiense Anemonastrum biarmiense Ranunculaceae Photo: CC BY, Сергей КрыленкоAnemonastrum canadense Anemonastrum canadense Canada anemone Photo: CC0, author not statedAnemonastrum coelestinum Anemonastrum coelestinum Ranunculaceae Photo: CC BY, 王天明 Anemonastrum demissum Floppy Himalayan Anemone Anemonastrum dichotomum Anemonastrum dichotomum Dichotomous anemone Photo: CC BY, Юлия Anemonastrum fasciculatum Ranunculaceae Anemonastrum keiskeanum Anemonastrum keiskeanum Ranunculaceae Photo: CC BY, KENPEIAnemonastrum narcissiflorum Anemonastrum narcissiflorum Narcissus anemone Photo: CC BY-SA, xulescu_gAnemonastrum obtusilobum Anemonastrum obtusilobum Himalayan thimbleweed Photo: CC BY, Jagdish Singh NegiAnemonastrum polyanthes Anemonastrum polyanthes Ranunculaceae Photo: CC BY, phiroza Anemonastrum prattii Ranunculaceae all 20 ›

Names & registers

Also known as Anemone amagisanensis; Anemone anhuiensis; Anemone baicalensis subsp. flaccida; Anemone baicalensis var. laevigata; Anemone debilis var. soyensis and 15 more. (GBIF Backbone)

Kew accepts as species of their own Anemone soyensis: older names in GBIF's record of this species that Kew's World Checklist accepts as other species. (WCVP, RBG Kew, file of 2026-06-04)

GBIFPOWOIPNIWFOWikidataWikipedia

The record

Family
Ranunculaceae
Described by
(Fr.Schmidt) Mosyakin
Native to
Kuril Is., Sakhalin, China South-Central +2
Wild records
1335 in range · 942 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 10305703 is Anemonastrum flaccidum (F.Schmidt) Mosyakin; the page links Kew's Anemonastrum flaccidum (Fr.Schmidt) Mosyakin, 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; 59 records within 1 km of a botanic garden, herbarium or zoo left out (30 at a botanic garden or arboretum, 29 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 37.00_139.375, lapse-corrected +132 m at 6.5 °C/km
Wikidata wikidata answeredasked 2026-10-21
Wikipedia wikipedia answeredasked 2026-10-21
iNaturalist taxon inat.taxon not asked
iNaturalist photographs, wild inat.photos.wild not asked
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 78 datasets via GBIF.org; each carries its own licence.

Cultifolio

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