Plate 1 figs. a–h · 4 observations
This species has been photographed under an open licence only 4 times, so some figures below are different views of the same plant, taken on the same day, rather than different individuals. They are usually different parts of it: the leaf, the flower, the bark.
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.
Native range 24 botanical countries
| Region | TDWG code | Continent |
|---|---|---|
| DR Congo | ZAI | AFRICA |
| Eritrea | ERI | |
| Ethiopia | ETH | |
| Kenya | KEN | |
| Rwanda | RWA | |
| Tanzania | TAN | |
| Uganda | UGA | |
| Zambia | ZAM | |
| Cambodia | CBD | ASIA-TROPICAL |
| Jawa | JAW | |
| Lesser Sunda Is. | LSI | |
| New Guinea | NWG | |
| Philippines | PHI | |
| South China Sea | SCS | |
| Thailand | THA | |
| Vietnam | VIE | |
| New South Wales | NSW | AUSTRALASIA |
| Northern Territory | NTA | |
| Queensland | QLD | |
| South Australia | SOA | |
| Western Australia | WAU | |
| Hainan | CHH | ASIA-TEMPERATE |
| Nansei-shoto | NNS | |
| Taiwan | TAI |
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 78 observations
| Condition | 5th percentile | Median | 95th percentile |
|---|---|---|---|
| Coldest month, mean daily low | 6.6 °C | 15.2 °C | 21.5 °C |
| Warmest month, mean daily high | 28.5 °C | 32.8 °C | 37.1 °C |
| Annual rainfall | 185 mm | 983 mm | 1,826 mm |
| Rainfall in the driest quarter | 4 mm | 36 mm | 71 mm |
It is barely found anywhere that freezes. This is not care advice and it is not a forecast. It is a measurement: we sampled the climate at every one of the 78 research-grade observations of Ipomoea polymorpha 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 11 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.
- Convolvulus commatophyllus Steud. ex Choisy
- Convolvulus defloratus Choisy
- Convolvulus nolanaeflorus Zipp. ex Span.
- Convolvulus nolaniflorus Zipp. ex Span.
- Convolvulus procumbens Lund ex Choisy
- Convolvulus robertianus Spreng.
- Dimerodiscus fallax Gagnep.
- Ipomoea adspersa Mart. ex Meisn.
- Ipomoea commatophylla A.Rich.
- Ipomoea pumila Span.
- Ipomoea tashiroi Matsum.
Sourcesevery claim on this page
- World Flora Online Plant List. accepted name, authority, classification. CC0. Retrieved 2026-07-12.
- iNaturalist. photographs and flowering annotations, CC0 / CC BY / CC BY-SA only. per photograph. Retrieved 2026-06-27.
- 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.