Cyclanthus bipartitusPoit. ex A.Rich.

WFO wfo-0000764861 Accepted WFO 2026-06 8 photographs CC BY / CC BY-SA

Plate 1 figs. a–h · 8 separate observations

Cyclanthus bipartitus, photographed by Andrés Ramírez-Barrera
fig. a Andrés Ramírez-Barrera, CC BY 4.0 / 2022-04-14 / obs. 188161807
Cyclanthus bipartitus, photographed by Lena Struwe
fig. b Lena Struwe, CC BY-SA 4.0 / obs. 14427154
Cyclanthus bipartitus, photographed by Loren Cassin Sackett
fig. c Loren Cassin Sackett, CC BY 4.0 / obs. 200414899
Cyclanthus bipartitus, photographed by Jens-Christian Svenning
fig. d Jens-Christian Svenning, CC BY 4.0 / obs. 74321344
Cyclanthus bipartitus, photographed by Emily Franzen
fig. e Emily Franzen, CC BY 4.0 / obs. 173351029
Cyclanthus bipartitus, photographed by keesgroenendijk
fig. f keesgroenendijk, CC BY 4.0 / obs. 125361792
Cyclanthus bipartitus, photographed by keesgroenendijk
fig. g keesgroenendijk, CC BY 4.0 / obs. 94914657
Cyclanthus bipartitus, photographed by alex2281
fig. h alex2281, CC BY-SA 4.0 / obs. 76639152

Every figure is a research-grade observation under CC0, CC BY or CC BY-SA, rehosted with the photographer’s name, the licence and the observation it came from. Photographs under a NonCommercial licence are excluded from this site and are never stored, which costs us a great many pictures and is not negotiable.

The specimen a real sheet, in a real collection

Herbarium
The New York Botanical Garden
Accession
330636
Filed as
Cyclanthus bipartitus Poit. ex A.Rich.
Det. by
R. Eriksson 1997-12-01
Collected
M. Silveira 1994-09-19
Origin
BR
The sheet
View the digitised specimen (CC BY 4.0)

A real pressed plant, in a real collection, under the accession number above. Not an illustration of one. The holding institution does not serve this sheet’s image to third parties, so there is no photograph here. The record is real and the link goes to it. Where we hold no openly licensed sheet for a species this section is simply absent, and where a sheet never recorded who determined it, that field stays empty rather than being filled in. Roughly half of all herbarium sheets never recorded a determiner, which is ordinary.

Native range 18 botanical countries

Regions where Cyclanthus bipartitus is native: Mexico Southeast, Belize, Bolivia, Brazil North, Colombia, Costa Rica, Ecuador, French Guiana, Guatemala, Guyana, Honduras, Nicaragua, Panamá, Peru, Suriname, Trinidad-Tobago, Venezuela, Windward Is. Mexico SoutheastBelizeBoliviaBrazil NorthColombiaCosta RicaEcuadorFrench GuianaGuatemalaGuyanaHondurasNicaraguaPanamáPeruSurinameTrinidad-TobagoVenezuela Windward Is.
Native distribution of Cyclanthus bipartitus, after Kew’s World Checklist of Vascular Plants. Introduced, extinct and doubtful records are excluded, so this is where the plant is from, not everywhere it now grows. Regions too small to draw at this scale are marked with a dot.
RegionTDWG codeContinent
Belize BLZ SOUTHERN AMERICA
Bolivia BOL
Brazil North BZN
Colombia CLM
Costa Rica COS
Ecuador ECU
French Guiana FRG
Guatemala GUA
Guyana GUY
Honduras HON
Nicaragua NIC
Panamá PAN
Peru PER
Suriname SUR
Trinidad-Tobago TRT
Venezuela VEN
Windward Is. WIN
Mexico Southeast MXT NORTHERN AMERICA

Region boundaries approximated from Natural Earth (public domain) and mapped to TDWG World Geographical Scheme for Recording Plant Distributions (WGSRPD) level-3 botanical countries (Brummitt 2001). Indicative, not the official WGSRPD geometry.

Where it actually grows measured, from 307 observations

Condition 5th percentile Median 95th percentile
Coldest month, mean daily low 14.7 °C 20.9 °C 23.6 °C
Warmest month, mean daily high 23.7 °C 29.1 °C 31.8 °C
Annual rainfall 2,226 mm 3,610 mm 5,588 mm
Rainfall in the driest quarter 115 mm 323 mm 945 mm

It is not found anywhere that gets close to freezing. This is not care advice and it is not a forecast. It is a measurement: we sampled the climate at every one of the 307 research-grade observations of Cyclanthus bipartitus that carry a coordinate, and this is the range those places actually span. The 5th and 95th percentiles are used rather than the minimum and maximum, because a single cultivated specimen in a heated conservatory should not widen a tropical plant's range to the Arctic.

This is not a hardiness zone. A USDA zone is the average annual extreme minimum temperature. The figure above is the mean daily minimum of the coldest month, which is a different quantity and is typically far warmer. Reading one as the other would place a plant several zones too warm, so we do not publish a hardiness zone, because we do not have one.

Also published as 8 synonyms

A synonym is not an error. It is a record of botanists disagreeing, in print, about where this plant belongs. Each of these was somebody’s considered answer.

  • Cyclanthus bifolius Perr.
  • Cyclanthus bipartitus var. gracilis Drude
  • Cyclanthus cristatus Klotzsch
  • Cyclanthus estaba Schaedtler
  • Cyclanthus godseffianus Sander
  • Cyclanthus plumieri Poit.
  • Cyclanthus plumieri Poit. ex A.Rich.
  • Discanthus odoratus Spruce

Sourcesevery claim on this page

  1. World Flora Online Plant List. accepted name, authority, classification. CC0. Retrieved 2026-07-12.
  2. iNaturalist. photographs and flowering annotations, CC0 / CC BY / CC BY-SA only. per photograph. Retrieved 2026-06-27.
  3. Kew, World Checklist of Vascular Plants (WCVP v16). native distribution by TDWG level-3 botanical country, and life form. CC BY 3.0. Retrieved 2026-06-04.

We publish what we can source and we say so when we cannot. This page has no care advice and no toxicity claim, because we do not yet have those from a source we can cite.