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Dendrobium victoriae-reginae; photograph Ericson Delloro, CC BY-SA, via GBIF CC BY-SAEricson Delloro, CC BY-SA, via GBIF

Dendrobium victoriae-reginae Loher

Orchidaceae · Philippines · listed by its genus as an orchid

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Dendrobium victoriae-reginae, photograph User:BotBln, CC BY-SA 3.0, via Wikimedia CommonsDendrobium victoriae-reginae, photograph Orchi, CC BY-SA 3.0, via Wikimedia CommonsDendrobium victoriae-reginae, photograph Orchi, CC BY-SA 3.0, via Wikimedia CommonsDendrobium victoriae-reginae, photograph Orchi, CC BY-SA 3.0, via Wikimedia CommonsDendrobium victoriae-reginae, photograph Averater, CC BY 3.0, via Wikimedia CommonsDendrobium victoriae-reginae, photograph Averater, CC BY 3.0, via Wikimedia Commons 13 photographs ›
Habitat figuresfrom few records
Cold floor (1 night in 100)
17.6°C
Record low 13.2 °C in 44 years, at a typical spot in the range NASA POWER
Warmest month, mean daily high
30°C
May, Jun and Aug at the habitat CHELSA
Rain a year (median across the range)
2,773mm
12 months of 25 mm or more in the median year CHELSA
Open-sky light
28–41DLI
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
A sharp rainy season, June to October (the habitat's months, not shifted), in a year of even temperature. rain rule, CHELSA
Not shifted: the shift rule does not apply to this habitat. The chart is in the habitat's months.

From few records: 3 records in 3 grid cells. The records.

Summary

Dendrobium victoriae-reginae (Queen Victoria's dendrobium) is a member of the family Orchidaceae endemic to the Philippines.

Quoted from Wikipedia, "Dendrobium victoriae-reginae", CC BY-SA 4.0.

About the genus · Dendrobium

Dendrobium is a genus of mostly epiphytic and lithophytic orchids in the family Orchidaceae. It is a very large genus, containing more than 1,800 species that are found in diverse habitats throughout much of south, east and southeast Asia, including China, Japan, India, the Philippines, Indonesia, Australia, New Guinea, Vietnam and many of the islands of the Pacific. Orchids in this genus have roots that creep over the surface of trees or rocks, rarely having their roots in soil. More on Wikipedia ›

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

Cultivation

Grouped as an orchid, listed under the genus Dendrobium in the archetype table, and Kew describes it as “pseudobulbous epiphyte”.

Seasons

The rain rule reads a sharp season: 70% of the median year's rain (1,830 mm of 2,565 mm) falls in June to October. The temperature curve is flat, 3.2 °C between the warmest and coldest month, so the growing-season rule does not infer a growing season from it. Months are the habitat's, northern hemisphere. The temperature curve moves under 4 °C between the warmest and coldest month, where the shift rule does not apply, so they are not shifted for a collection elsewhere.

Rain

2,565 mm in the median year at the habitat, 1,830 mm of it June to October. Wettest month August at 480 mm, driest month March at 42 mm. Across the grid cells of the range the year's total runs 2,276 mm to 2,802 mm, the 10th to 90th percentile of each cell's own year. The median of the cells' own yearly totals, 2,773 mm, is the year's rain at the top of the page; the 2,565 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: 28 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 23, the highest 90th-percentile month 41).

Warmth and air
Temperature

Coldest: the 1st-percentile night over 44 years at a typical spot in the range is 17.6 °C, the absolute minimum 13.2 °C, no frost in 44 years (NASA POWER daily minima). Warmest: the 99th-percentile day is 40.0 °C. Monthly means: the coldest month's mean nightly low 19.8 °C in January (across the grid cells of the range 14.4 °C to 23.0 °C), the warmest month's mean daily high 29.8 °C in May (median year across the grid cells of the range, CHELSA). Cold floor: 17.6 °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: 66 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 -39 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.

Group. Listed under the genus Dendrobium in the archetype table, and Kew describes it as “pseudobulbous epiphyte”. A group is taken only where Kew's description of the species agrees with the table's listing. The table gives no figure and no prose; the cold floor is the habitat's alone.

Climate across the habitat

From few records: this habitat climate is read from 3 records in 3 grid cells; a page says so under 12 records or 5 cells, and shows the figures as read.

Habitat months, northern hemisphere

Habitat climate of Dendrobium victoriae-reginae through the yearWarmest months May, June and August, mean daily high 30 °C; coldest month January, mean nightly low 19.8 °C; 2,565 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.10°15°20°25°30°35°40°45°40.0° 99th-percentile day, NASA POWER13.2° lowest night in 44 years, NASA POWER°C · day and nightcold quarter0100200300400500600mm rainDLI 28–41RH 66–68%JanFebMarAprMayJunJulAugSepOctNovDec
day night rain medians and 10th–90th percentile across 3 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 / 21–2928 / 23–3028 / 24–3129 / 26–3330 / 26–3230 / 25–3129 / 25–3030 / 25–3029 / 24–3029 / 24–3028 / 23–2928 / 21–29
Night °C20 / 14–2320 / 15–2322 / 16–2423 / 17–2524 / 18–2524 / 19–2524 / 18–2524 / 18–2523 / 18–2523 / 18–2522 / 17–2421 / 15–24
Rain mm70 / 22–27145 / 19–21542 / 28–16564 / 55–116206 / 164–247311 / 219–343439 / 245–473480 / 232–521350 / 227–398250 / 196–253208 / 94–302100 / 36–324
DLI29 / 26–3033 / 31–3438 / 37–3841 / 40–4136 / 36–3934 / 33–3631 / 30–3529 / 27–3528 / 28–3430 / 28–3330 / 25–3028 / 23–28
RH %67 / 62–7266 / 61–6966 / 61–6866 / 60–6766 / 63–6866 / 65–6966 / 66–7067 / 65–7267 / 66–7167 / 66–7368 / 65–7468 / 62–74
How this section is made
Each figure is the median across the 3 grid cells holding the 3 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 1489:6010 (15.525, 120.525). Over 44 years there: absolute minimum 13.2 °C, 1st-percentile night 17.6 °C, 99th-percentile day 40.0 °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 3 distinct grid cells holding 3 of the 3 in-range records; extremes and elevation at the typical cell 1489:6010 (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 15.50_120.625, lapse-corrected -39 m at 6.5 °C/km. Elevation: ETOPO 2022, 69 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.
NativePhilippines · 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 marker15.535, 120.51 · in the densest population, 4 records (57% of those in range)
Kew's description“pseudobulbous epiphyte” · “wet tropical” · quoted from WCVP, RBG Kew (CC BY 4.0); not derived here
Evidence usedThe map marker rests on all 7 georeferenced records inside the native range; the climate across the range on the 3 of them placed to within 10 km; the map shows only the 6 openly licensed ones, which alone would put the marker in the same place. Under a dozen records behind the map and the climate. 4 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 7 in-range records; it decides nothing. Records outside the native range, living specimens and records marked introduced are not used; which records count.

Photographs

Dendrobium victoriae-reginae, photograph 1did not loadDendrobium victoriae-reginae, photograph 2did not loadDendrobium victoriae-reginae, photograph 3did not loadDendrobium victoriae-reginae, photograph 4did not loadDendrobium victoriae-reginae, photograph 5did not loadDendrobium victoriae-reginae, photograph 6did not load

Photographs: User:BotBln, CC BY-SA 3.0, via Wikimedia Commons; Orchi, CC BY-SA 3.0, via Wikimedia Commons (3); Averater, CC BY 3.0, via Wikimedia Commons (2).

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

Solanum volubile Solanum volubile Solanaceae Photo: CC BY, Alexis López HernándezPachira aquatica Pachira aquatica Guiana-chestnut Photo: CC BY, Denis BastianelliBerrya cordifolia Berrya cordifolia Trincomalee Photo: CC BY, Harsha JayaramaiahOrmosia macrocalyx Ormosia macrocalyx Fabaceae Photo: CC BY, William StephensUvaria littoralis Uvaria littoralis Large-leaved Uvaria Photo: CC BY, 黃美滿Carica papaya Carica papaya Papaya Photo: CC0, author not stated

Other Dendrobium 264 in the reference

Dendrobium aberrans Dendrobium aberrans Orchidaceae Photo: CC BY, rdutaDendrobium acerosum Dendrobium acerosum Orchidaceae Photo: CC BY, Cheongweei Gan Dendrobium aciculare Orchidaceae Dendrobium acinaciforme Orchidaceae Dendrobium aduncum Orchidaceae Dendrobium aemulum Dendrobium aemulum Ironbark feather orchid Photo: CC BY, Sofia Zvolanek Dendrobium alaticaulinum Orchidaceae Dendrobium alexandrae Dendrobium alexandrae Orchidaceae Photo: CC BY-SA, OrchiDendrobium aloifolium Dendrobium aloifolium Aloe-Like Dendrobium Photo: CC BY, Gerard ChartierDendrobium amabile Dendrobium amabile Orchidaceae Photo: CC BY-SA, KENPEIDendrobium amethystoglossum Dendrobium amethystoglossum Orchidaceae Photo: CC BY-SA, Orchi Dendrobium amphigenyum Orchidaceae all 265 ›

Names & registers

Also known as Dendrobium coeleste; Dendrobium victoriae-reginae f. album; Pedilonum victoriae-reginae. (GBIF Backbone)

GBIFPOWOIPNIWFOWikidataWikipediaiNaturalist

The record

Family
Orchidaceae
Described by
Loher
Native to
Philippines
Wild records
7 in range · 6 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
Habitat climate climate answeredasked 2026-10-22
Daily extremes (NASA POWER) climate.extremes answeredasked 2026-10-22NASA POWER (MERRA-2) daily 1981–2024, cell 15.50_120.625, lapse-corrected -39 m at 6.5 °C/km
Wikidata wikidata answeredasked 2026-10-22
Wikipedia wikipedia answeredasked 2026-10-22
iNaturalist photographs, wild inat.photos.wild nothing to reportasked 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
Wikimedia Commons commons 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 7 datasets via GBIF.org; each carries its own licence.

Cultifolio

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