Landoltia punctata (G.Mey.) Les & D.J.Crawford

Caption:

Details

Name scientific

Landoltia punctata (G.Mey.) Les & D.J.Crawford, Novon 9: 532 (1999)

Preferred name

Landoltia punctata (G.Mey.) Les & D.J.Crawford

Taxonomy reference

Les, D.H.; Crawford, D.J. 1999: Landoltia (Lemnaceae), A New Genus of Duckweeds . Novon 9(4): 530–533.

Biostatus

Origin

Occurrence

Georegion

Schema

Biostatus source

Comment

Exotic

Wild

New Zealand

Political Region

Nomenclature

Combination authors

Les & D.J.Crawford

Original authors

G.Mey.

Authors

(G.Mey.) Les & D.J.Crawford

Publication place

Les, D.H.; Crawford, D.J. 1999: Landoltia (Lemnaceae), A New Genus of Duckweeds . Novon 9(4): 530–533.

Year published

1999

Publication page

532

Nomenclatural code

ICN

Basionym

Lemna punctata G.Mey.

Taxonomic rank

species

Canonical form

Landoltia punctata

Classification

Kingdom

Plantae

Phylum

Tracheophyta

Class

Magnoliopsida

Order

Alismatales

Family

Araceae

Genus

Landoltia

Species

punctata

Vernacular names

Language of use: English

Purple-backed duckweed

Synonyms

Descriptions

Healy, A. J.; Edgar, E. 1980: Flora of New Zealand. Vol. III. Adventive Cyperaceous, Petalous and Spathaceous Monocotyledons. Government Printer, Wellington.

Spirodela punctata (G.Mey.) C.H.Thomps.

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.

Moore, L.B.; Edgar, E. 1970: Flora of New Zealand. Vol. II. Indigenous Tracheophyta: Monocotyledones except Gramineae. Botany Division DSIR, Wellington.

Spirodela oligorrhiza (Kurz) Hegelm.

Description

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