Ludwigia nervosa(Poir.) H.Hara

WFO wfo-0000443447 Accepted WFO 2026-06 3 photographs CC BY

Plate 1 figs. a–c · 2 observations

This species has been photographed under an open licence only 2 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.

Ludwigia nervosa, photographed by Gerry van Tonder
fig. a Gerry van Tonder, CC BY 4.0 / 2019-09-05 / obs. 50581304
Ludwigia nervosa, photographed by Denis Bastianelli
fig. b Denis Bastianelli, CC BY 4.0 / obs. 159940914
Ludwigia nervosa, photographed by Denis Bastianelli
fig. c Denis Bastianelli, CC BY 4.0 / obs. 159941132

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 20 botanical countries

Regions where Ludwigia nervosa is native: Mexico Southeast, Belize, Bolivia, Brazil North, Brazil Northeast, Brazil South, Brazil Southeast, Brazil West-Central, Colombia, Costa Rica, Ecuador, French Guiana, Guyana, Honduras, Nicaragua, Panamá, Paraguay, Peru, Suriname, Venezuela Mexico SoutheastBelizeBoliviaBrazil NorthBrazil NortheastBrazil SouthBrazil SoutheastBrazil West-CentralColombiaCosta RicaEcuadorFrench GuianaGuyanaHondurasNicaraguaPanamáParaguayPeruSurinameVenezuela
Native distribution of Ludwigia nervosa, 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.
RegionTDWG codeContinent
Belize BLZ SOUTHERN AMERICA
Bolivia BOL
Brazil North BZN
Brazil Northeast BZE
Brazil South BZS
Brazil Southeast BZL
Brazil West-Central BZC
Colombia CLM
Costa Rica COS
Ecuador ECU
French Guiana FRG
Guyana GUY
Honduras HON
Nicaragua NIC
Panamá PAN
Paraguay PAR
Peru PER
Suriname SUR
Venezuela VEN
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 33 observations

Condition 5th percentile Median 95th percentile
Coldest month, mean daily low 16.4 °C 22.6 °C 23.9 °C
Warmest month, mean daily high 29.1 °C 31.0 °C 32.1 °C
Annual rainfall 1,762 mm 3,217 mm 3,658 mm
Rainfall in the driest quarter 123 mm 258 mm 292 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 33 research-grade observations of Ludwigia nervosa 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 22 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.

  • Corynostigma jussiaeoides C.Presl
  • Jussiaea commersonii Pohl ex Micheli
  • Jussiaea lanceolata Pohl ex Micheli
  • Jussiaea marginata Rusby
  • Jussiaea maypurensis Kunth
  • Jussiaea nervosa Poir.
  • Jussiaea nervosa f. foliosa Chodat & Hassl.
  • Jussiaea nervosa f. microphylla Chodat & Hassl.
  • Jussiaea nervosa f. salicina Chodat & Hassl.
  • Jussiaea nervosa var. glaberrima Micheli
  • Jussiaea nervosa var. lanceolata Bertoni
  • Jussiaea nervosa var. marginata (Rusby) Munz
  • Jussiaea nervosa var. microphylla (Chodat & Hassl.) Bertoni
  • Jussiaea nervosa var. pubescens Micheli
  • Jussiaea nervosa var. stricta Bertoni
  • Jussiaea nervosa var. typica Munz
  • Jussiaea palmitensis Cambess.
  • Jussiaea pauciflora Pohl ex Micheli
  • Jussiaea yacumensis Rusby
  • Ludwigia hondurensis Standl.
  • Ludwigia turbinata P.L.R.Moraes
  • Oenothera brasiliensis Gardner ex Micheli

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.