Galapagos Species Database

The Galapagos Species Database shares the information about the species from our Natural History Collections.

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Lemna aequinoctialis Welw.

duckweed

Fronds solitary or in groups of 2-7 and the roots are slender. The brown flowers and vegetative bud can be found in the same pouch (Wiggins and Porter 1971).

Found in fresh water. The veins on this plant are delicate (Wiggins and Porter 1971).

Taxonomy

Domain
Eukaryota

Kingdom
Plantae

Phylum
Magnoliophyta

Class
Liliopsida (= Monocotyledoneae)

Order
Alismatales

Family
Araceae

Genus
Lemna

Species
aequinoctialis

Taxon category: Accepted

In Robinson (1902) as Lemna sp., Stewart (1911) as Lemna minor L., Svenson (1935) as Lemna minima Phil., fide Wiggins & Porter (1971). (L. minima Phil. is misprinted as L. minor Phil. in Wiggins & Porter.)

Origin: Native

Distribution

Map of specimen collection localities or observation records for this species in our collections database.

Distribution: The native range of this species is Tropics & Subtropics (POWO, 2023).

References

  • Wiggins, I.L. Porter, D.M. (1971) Flora of the Galapagos Islands Standford University Press, Stanford.
  • Van der Werff, H.H. (s.a.) Pers. obs. and colls. Personal observations and collections.
  • Tropicos.org. (2017) Database of Missouri Botanical Garden. Tropicos.org. Missouri Botanical Garden. 06 Oct 2017 <http://www.tropicos.org
  • Royal Botanic Gardens, Kew Missouri Botanical Garden (eds.) (2013) The Plant List, Version 1.1. Published on the Internet; http://www.theplantlist.org/ (accessed 1st January).
  • Robinson, B.L. (1902) Flora of the Galapagos Islands. Papers from the Hopkins-Stanford Expedition to the Galapgaos Islands. Proc. Amer. Acad. 38(4): 78-270.
  • Stewart, A. (1911) A botanical survey of the Galápagos Islands. Proc. Calif. Acad. Sci. 4th Series, 1: 7-288.
  • Cayot, L. J. (1987) Ecology of Giant Tortoise (Geochelone elephantopus)in the Galápagos Islands. Submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy in Biology in the Graduate School of Syracuse University.
  • Royal Botanic Gardens, Kew (2022) Plants of the world online POWO (2022): Plants of the world online. Published on the Internet; Https://powo.science.kew.org/

You are welcome to download and use the information found in this page, acknowledging its source.

This page should be cited as follows:

"Galapagos Species Database, Lemna aequinoctialis", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=1000. Accessed 25 April 2025.