no rights reserved · observed growing wild · 2024-02-01

Magnolia compressa Maxim.

Compressed michelia, Formosan michelia

Climate known 84 photographs

Every figure on this page is derived from public data by a stated rule and says its source; nothing here is written by a person or a model, except the Wikipedia passage, which is quoted and marked as such. How it is made.

Summary

Magnolia compressa is a species of flowering plant in the family Magnoliaceae, native to Yunnan, Taiwan, the Ryukyu Islands, and southwest Japan, and introduced to South Korea. A small tree when in cultivation, it is hardy only to USDA zone 10. It may be planted in containers and brought indoors in the winter.

Text from Wikipedia, “Magnolia compressa”, CC BY-SA 4.0, quoted as written. Kept separate from everything derived here.

About the genus · Magnolia

Magnolia is a large genus of about 210 to 340 flowering plant species in the subfamily Magnolioideae of the family Magnoliaceae. The natural range of Magnolia species is disjunct, with a main center in east, south and southeast Asia and a secondary center in South America, Central America, the West Indies, and some species in eastern North America.

Text from Wikipedia, “Magnolia”, CC BY-SA 4.0, quoted as written.

Family

Magnoliaceae

Described by

Maxim.

Native to

China South-Central, Japan, Nansei-shoto +1

Wild records

1368 in range· 875 open

At a glance

Warmest month

28°C

Aug, mean day; nights 24 °C (CHELSA)

Rain

2932mm/yr

12 wet months · peak Sep 430 mm (CHELSA)

Light

16–36DLI

mol/m²/day, winter to summer, open sky (CHELSA shortwave)

In short condensed by rule from the cultivation cards · not written by a person

Rain rule: a summer growing season, April to September in the northern hemisphere (April to September at the habitat, northern). Habitat rain 2932 mm a year, wettest September at 430 mm, driest December at 79 mm (habitat calendar, northern hemisphere). Open sky over the habitat: 16 to 36 mol/m²/day. Cold floor 7.5 °C (1st-percentile habitat night, NASA POWER).

Each sentence is one card's own one-line form, written by the same rule as the card (Its year, Rain, Light, Temperature); the note cannot say what a card does not. Months are given for the northern hemisphere (set your site in Settings to change this), and the habitat's own alongside. The cards · the figures.

Also known as Magnolia compressa var. formosana (Kaneh.) C.F.Chen; Magnolia compressa var. lanyuensis (S.Y.Lu) C.F.Chen; Magnolia formosana (Kaneh.) Yonek.; Michelia compressa (Maxim.) Sarg.; Michelia compressa f. angustifolia (Makino) Okuyama and 10 more.

Cultivation

Its year Rain rule: a summer growing season, April to September in the northern hemisphere (April to September at the habitat, northern).

This species’ habitat figures, and what two fixed rules read from them.

The rain rule reads a summer growing season: 70% of the year's rain (2095 mm of 2932 mm) falls in April to September, warmer than the year (wet-season mean 23.7 °C against a yearly mean of 20.0 °C). Months are the habitat's, northern hemisphere; shifted six months for a southern-hemisphere collection: October to March.

Read from the median year of CHELSA monthly rainfall and mean temperature across the envelope cells: 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 gives a season to reverse. A reading of the curves, not an observation of the plant.

Rain Habitat rain 2932 mm a year, wettest September at 430 mm, driest December at 79 mm (habitat calendar, northern hemisphere).

This species’ habitat figures, with their source.

2932 mm a year at the habitat, 2095 mm of it April to September. Wettest month September at 430 mm, driest December at 79 mm. Across the envelope cells the year's total runs 2104 mm to 4495 mm (10th to 90th percentile of each cell's own year) (median year across the envelope cells, CHELSA; habitat calendar, northern hemisphere).

CHELSA monthly precipitation, median year across the envelope cells. The rain that falls where the species is recorded; nothing about how the plant takes water.

Light Open sky over the habitat: 16 to 36 mol/m²/day.

This species’ habitat figures, with their source.

Open sky over the habitat: 16 to 36 mol/m²/day across the year (daily light integral, median year across the envelope cells, CHELSA; the lowest 10th-percentile month across the cells is 13, the highest 90th-percentile month 40).

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.

Warmth and air Cold floor 7.5 °C (1st-percentile habitat night, NASA POWER).

This species’ habitat figures, with their source.

Temperature

Coldest: the 1st-percentile night over 44 years at the typical cell is 7.5 °C, the absolute minimum 1.8 °C, no frost in 44 years (NASA POWER daily minima). Warmest: the 99th-percentile day is 28.0 °C. Monthly means: coldest night 9.6 °C in January (across the envelope cells 2.9 °C to 17.0 °C), warmest day 27.8 °C in August (median year across the envelope cells, CHELSA). Cold floor: 7.5 °C, which is the 1st-percentile night over 44 years at the typical cell (NASA POWER).

NASA POWER daily minima and maxima 1981–2024 at the typical cell, lapse-corrected to its elevation; CHELSA monthly means, median year across the envelope cells, CHELSA. The cold floor is the figure named in its sentence. Not a measured survival limit for any plant in a pot.

Humidity

Relative humidity at the habitat: 62 to 68% across the year (monthly means, median year across the envelope cells, CHELSA). A figure about the air, saying nothing about how the plant takes water.

CHELSA relative humidity, median year across the envelope cells.

The figures the cards read from are in Climate below, and where they came from in Natural habitat.

Climate across the habitat

day night rain 10th–90th percentile across 472 habitat cells cold quarter: the three months around the coldest night extremes over 44 years at the typical cell, marked at the edge: undated DLI, mol/m²/dayRH %each on its own scale

Figures by month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Day °C	15 / 9–20	16 / 10–21	19 / 13–22	22 / 17–25	24 / 20–27	26 / 22–29	28 / 23–30	28 / 23–30	26 / 22–28	23 / 20–26	20 / 15–24	17 / 11–21
Night °C	10 / 3–17	11 / 3–18	13 / 6–19	16 / 10–22	19 / 13–24	21 / 16–26	23 / 16–27	24 / 16–27	22 / 15–26	18 / 13–24	15 / 9–22	11 / 5–19
Rain mm	88 / 45–248	154 / 65–293	181 / 89–245	207 / 120–264	306 / 200–433	415 / 246–589	359 / 189–569	378 / 230–631	430 / 237–622	205 / 103–522	130 / 54–403	79 / 45–269
DLI	17 / 13–23	20 / 16–25	26 / 22–31	31 / 27–34	32 / 29–36	32 / 29–36	36 / 33–40	34 / 31–37	29 / 27–33	24 / 21–28	19 / 16–24	16 / 13–21
RH %	63 / 55–71	64 / 56–72	64 / 57–71	65 / 59–70	65 / 62–70	67 / 64–71	67 / 64–70	68 / 65–71	67 / 63–71	65 / 59–71	63 / 57–71	62 / 55–71

Each figure is the median across the 472 grid cells holding the 1359 in-range records, with the 10th–90th percentile span across those cells after the slash where it differs. Extremes and elevation were read at the typical cell 1308:6033 (24.575, 121.675). Over 44 years there: absolute minimum 1.8 °C, 1st-percentile night 7.5 °C, 99th-percentile day 28.0 °C. Normals: CHELSA V2.1 1981–2010 climatology, 0.05° cells (each the mean of ~36 1 km pixels). Envelope: median and 10th–90th percentile of each month across the 472 distinct grid cells holding the 1359 in-range records; extremes and elevation at the typical cell 1308:6033 (its coldest month's mean night nearest the median across cells); its position is the cell centre. Extremes: NASA POWER (MERRA-2) daily 1981–2024, cell 24.50_121.875, lapse-corrected +452 m at 6.5 °C/km. Elevation: ETOPO 2022, 706 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 every in-range record's cell, not at the marker.

Openly licensed records inside the range, framed on where they fall.

NativeChina South-Central, Japan, Nansei-shoto, Taiwan· introduced: Korea

Kew's description“tree” · “subtropical”· quoted from WCVP, RBG Kew (CC BY 4.0); not derived here

Map marker24.267, 121.121 · in the densest population, 971 records (71% of those in range)

Evidence usedThe map marker and the climate envelope rest on all 1368 georeferenced records inside the native range; the map shows only the 875 openly licensed ones, which alone would put the marker 29 km away. 8 records outside the range (gardens, roadsides, misidentifications) ignored. 9 in-range records are placed to worse than 10 km and stay on the map but off the climate.

The map markerthe map marker: the openly licensed record nearest the middle of the densest 1° population of the 1368 in-range records; it decides nothing.

Photographs

Photographs: no rights reserved · CC0 (3); (c) 潘立傑 LICHIEH_PAN, some rights reserved (CC BY) (4); (c) 許文俊, some rights reserved (CC BY-SA).

Photographs: iNaturalist did not answer when this page was built; what is shown came from the sources that did.

Papers naming this species

Works whose title or abstract names Magnolia compressa, most cited first, from OpenAlex (CC0). A mention, not a cultivation source: nothing on this page is drawn from them.

Erysiphe magnifica causes powdery mildew on Magnolia compressa

Young‐Joon Choi, Byoung‐Ki Choi, In‐Young Choi, Hyeon‐Dong Shin (2021) · Forest Pathology

Magnolia compressa Zhongshanhanxiao: A New Magnolia L. Cultivar (Magnoliaceae)

Yunlong Yin, Zhiquan Wang, Ming-yi Sun, David Creech (2023) · HortScience

Occurrence Download