Classification
Class
Magnoliopsida Brongn.
Order
Alismatales R.Br. ex Bercht. & J.Presl
Family
Araceae Juss.
Genus
Landoltia Les & D.J.Crawford
 Nomenclature
Scientific Name:
Landoltia punctata (G.Mey.) Les & D.J.Crawford, Novon 9: 532 (1999)
Synonymy:
  • ≡ Lemna punctata G.Mey., Prim. Fl. Esseq. 262 (1818)
  • ≡ Spirodela punctata (G.Mey.) C.H.Thomps., Rep. (Annual) Missouri Bot. Gard. 9: 28 (1898)
  • = Lemna oligorrhiza Kurz (1867)
  • ≡ Spirodela oligorrhiza (Kurz) Hegelm., Lemnac. 147 (1868)
 Description

Platelets to 5 × 3 mm, elliptic-obovate, ± inflated, slightly asymmetric; dorsal surface green, flat to convex; ventral surface convex, usually strong red-purple; nerves obscure. Roots 2–5. Spathe open along one side. Fruit ovoid, 1-seeded. Seed ribbed, reticulate; operculum prominent.

[From: Healy and Edgar (1980) Flora of New Zealand. Volume 3 as Spirodela punctata (G.Mey.) C.H.Thomps.]

 Biostatus
Exotic
 Bibliography
Hegelmaier, F. 1868: Die Lemnaceen. Eine monographische Untersuchung. Engelmann, Leipzig.
Les, D.H.; Crawford, D.J. 1999: Landoltia (Lemnaceae), A New Genus of Duckweeds . Novon 9(4): 530–533.
Meyer, G. F. W. 1818: Primitiae Florae Essequeboensis adjectis descriptionibus centum circiter stirpium novarum, observationibusque criticis. H. Dieterich, Göttingen.
Thompson, C. H. 1898: A revision of the American Lemnaceae occurring north of Mexico. Report (Annual) of the Missouri Botanical Garden 9: 21–42.