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Scepocarpus trinervis; photograph Sunčana Bradley, CC BY, iNaturalist via GBIF CC BYSunčana Bradley, CC BY, iNaturalist via GBIF

Scepocarpus trinervis (Hochst.) T.Wells & A.K.Monro

Climbing Tree Nettle; Climbing-Nettle; Tree Climbing-Nettle; Climbing Urera

Urticaceae · Benin, Ghana +23

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Scepocarpus trinervis, photograph Duarte Frade, CC BY, iNaturalist via GBIFScepocarpus trinervis, photograph Duarte Frade, CC BY, iNaturalist via GBIFScepocarpus trinervis, photograph Duarte Frade, CC BY, iNaturalist via GBIFScepocarpus trinervis, photograph Duarte Frade, CC BY, iNaturalist via GBIFScepocarpus trinervis, photograph Duarte Frade, CC BY, iNaturalist via GBIFScepocarpus trinervis, photograph Paul venter, CC BY-SA 3.0, via Wikimedia Commons 15 photographs ›
Habitat figures
Cold floor (1 night in 100)
15.6°C
Record low 12.6 °C in 44 years, at a typical spot in the range NASA POWER
Warmest month, mean daily high
27°C
Jan, Feb, Mar and Dec at the habitat CHELSA
Rain a year (median across the range)
1,279mm
12 months of 25 mm or more in the median year CHELSA
Open-sky light
22–35DLI
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 September to March (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

Scepocarpus trinervis (Hochst.) Friis & Immelman is a softly woody dioecious liane, sometimes epiphytic, climbing to 20 m, often to the canopy and hanging in festoons. It is one of some 44 species of Urera belonging to the nettle family Urticaceae. It is known in English as the tree climbing-nettle or climbing nettle.

Quoted from Wikipedia, "Urera trinervis", CC BY-SA 4.0; its title is one of this species' older names (GBIF Backbone), which is the proof that the article is this species'.

Cultivation

Seasons

The rain rule reads a summer growing season: 70% of the median year's rain (885 mm of 1,190 mm) falls in September to March, warmer than the year (wet-season mean 22.6 °C against a yearly mean of 21.8 °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

1,190 mm in the median year at the habitat, 885 mm of it September to March. Wettest month November at 151 mm, driest month June at 45 mm. Across the grid cells of the range the year's total runs 1,010 mm to 2,483 mm, the 10th to 90th percentile of each cell's own year. The median of the cells' own yearly totals, 1,279 mm, is the year's rain at the top of the page; the 1,190 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: 22 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 19, the highest 90th-percentile month 39).

Warmth and air
Temperature

Coldest: the 1st-percentile night over 44 years at a typical spot in the range is 15.6 °C, the absolute minimum 12.6 °C, no frost in 44 years (NASA POWER daily minima). Warmest: the 99th-percentile day is 33.2 °C. Monthly means: the coldest month's mean nightly low 16.9 °C in July (across the grid cells of the range 10.1 °C to 21.9 °C), the warmest month's mean daily high 27.4 °C in January and February (median year across the grid cells of the range, CHELSA). Cold floor: 15.6 °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: 60 to 66% 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 +59 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 Scepocarpus trinervis through the yearWarmest months January, February, March and December, mean daily high 27 °C; coldest month July, mean nightly low 16.9 °C; 1,190 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.5°10°15°20°25°30°35°33.2° 99th-percentile day, NASA POWER12.6° lowest night in 44 years, NASA POWER°C · day and nightcold quarter0100200300400mm rainDLI 22–35RH 60–66%JanFebMarAprMayJunJulAugSepOctNovDec
day night rain medians and 10th–90th percentile across 43 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 °C27 / 25–3127 / 25–3227 / 25–3125 / 24–3024 / 23–3022 / 21–2922 / 21–2823 / 21–2824 / 21–2824 / 22–2925 / 23–2927 / 24–30
Night °C21 / 18–2322 / 19–2421 / 18–2320 / 16–2318 / 13–2317 / 10–2217 / 10–2217 / 12–2218 / 13–2218 / 15–2219 / 16–2220 / 18–23
Rain mm131 / 29–168120 / 59–181125 / 99–28990 / 63–26269 / 39–23445 / 32–19547 / 33–14054 / 42–176103 / 70–277132 / 108–389151 / 86–356123 / 46–174
DLI35 / 29–3935 / 31–3732 / 30–3528 / 26–3424 / 22–3122 / 19–3122 / 21–3025 / 24–3129 / 26–3231 / 28–3333 / 28–3635 / 27–39
RH %65 / 61–6865 / 61–6965 / 62–6965 / 62–7062 / 58–7160 / 54–7060 / 54–7061 / 57–7063 / 60–7166 / 63–7166 / 63–7266 / 62–70
How this section is made
Each figure is the median across the 43 grid cells holding the 57 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 1791:4260 (0.425, 33.025). Over 44 years there: absolute minimum 12.6 °C, 1st-percentile night 15.6 °C, 99th-percentile day 33.2 °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 43 distinct grid cells holding 57 of the 57 in-range records; extremes and elevation at the typical cell 1791:4260 (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 0.50_33.125, lapse-corrected +59 m at 6.5 °C/km. Elevation: ETOPO 2022, 1198 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.
NativeBenin, Ghana, Guinea, Ivory Coast, Nigeria, Burundi, Central African Republic, Cameroon, Congo, Gabon, Gulf of Guinea Is., Rwanda, Zaïre, Ethiopia, Sudan, Kenya, Tanzania, Uganda, Angola, Malawi, Mozambique, Zambia, Zimbabwe, Cape Provinces, KwaZulu-Natal · 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 marker4.817, 9.683 · in the densest population, 164 records (49% of those in range)
Kew's description“liana” · “wet tropical” · quoted from WCVP, RBG Kew (CC BY 4.0); not derived here
Evidence usedThe map marker rests on all 332 georeferenced records inside the native range; the climate across the range on the 57 of them placed to within 10 km; the map shows only the 296 openly licensed ones, which alone would put the marker 5 km away. 25 records outside the WCVP native range not used. 275 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 4° block of the 332 in-range records; it decides nothing. Records outside the native range, living specimens and records marked introduced are not used; which records count.

Photographs

Scepocarpus trinervis, photograph 1did not loadScepocarpus trinervis, photograph 2did not loadScepocarpus trinervis, photograph 3did not loadScepocarpus trinervis, photograph 4did not loadScepocarpus trinervis, photograph 5did not loadScepocarpus trinervis, photograph 6did not load

Photographs: Duarte Frade, CC BY, iNaturalist via GBIF (5); Paul venter, CC BY-SA 3.0, via Wikimedia Commons.

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

Ceropegia sandersoniana Ceropegia sandersoniana Apocynaceae Photo: CC BY-SA, SAplantsSmilax anceps Smilax anceps Leg-Ripper Photo: CC BY, Jan HackelVoacanga thouarsii Voacanga thouarsii Wild-frangipani Photo: CC BY, Sunčana BradleyFlagellaria guineensis Flagellaria guineensis Climbing Bamboo Photo: CC BY-SA, Tony RebeloRhipsalis clavata Rhipsalis clavata Cactaceae Photo: CC BY, Gabriel Jovêncio RibeiroStenochlaena tenuifolia Stenochlaena tenuifolia Giant vine fern Photo: CC BY-SA, alanbedfordshaw

Names & registers

Also known as Elatostema trinerve; Urera acuminata var. cameroonensis; Urera acuminata var. sphaerophylla; Urera arborea; Urera cameroonensis and 8 more. (GBIF Backbone)

GBIFPOWOIPNIWFOWikidataWikipediaiNaturalist

The record

Family
Urticaceae
Described by
(Hochst.) T.Wells & A.K.Monro
Native to
Benin, Ghana, Guinea +22
Wild records
332 in range · 296 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; 13 records within 1 km of a botanic garden, herbarium or zoo left out (13 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 0.50_33.125, lapse-corrected +59 m at 6.5 °C/km
Wikidata wikidata answeredasked 2026-10-22found by the GBIF record of Urera trinervis, an older name with the same type; IPNI and POWO linked by Kew's number for Scepocarpus trinervis (Hochst.) T.Wells & A.K.Monro (the item's: IPNI 943861-1, POWO 943861-1)
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 28 datasets via GBIF.org; each carries its own licence.

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