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Ceratophyllum

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Ceratophyllum

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Also known as hornworts

Ceratophyllum is a cosmopolitan genus of flowering plants commonly found in ponds, marshes, and quiet streams in tropical and in temperate regions. It is the only extant genus in the family Ceratophyllaceae, itself the only extant family in the order Ceratophyllales. They are usually called coontails or hornworts, although hornwort is also used for unrelated plants of the division Anthocerotophyta.

OverviewAI-generated

Ceratophyllum is a taxonomic genus within the family Ceratophyllaceae and order Ceratophyllales. It belongs to the class Magnoliopsida and phylum Tracheophyta. The genus is commonly known as hornwort, Hoornblad, or 金鱼藻属. Its fruit type is a nucule. The taxon was described in the Granat Encyclopedic Dictionary and has an accepted status according to WoRMS.

These aquatic plants are distributed worldwide, generally inhabiting ponds, swamps, and calm streams in temperate and tropical regions. They occur in both brackish and freshwater habitats. The genus has been introduced to the Cape Provinces, Galápagos, Hawaii, Mauritius, and New Zealand North.

Records for Ceratophyllum exist in institutions such as INECOL, MSC, FMNH, US, and IBUNAM. Specimens have been documented in Mexico, the United States, China, Brasil, and Indonesia. The genus is referenced by 80 other encyclopedia articles.

Synthesized by Vinony from 35 facts across 7 sources: Wikidata, iNaturalist, Encyclopedia of Life, Plants of the World, WoRMS, iDigBio, Vinony graph. Generated from structured data (not the Wikipedia text) and checked against those facts — may still contain errors.

Species

hornbladslekta

Genus

  1. PhylumTracheophyta
  2. ClassMagnoliopsida
  3. OrderCeratophyllales
  4. FamilyCeratophyllaceae
Habitatbrackish, freshwater
Native toAlabama, Alaska, Albania, Alberta, Algeria, Altay, Amur, Angola, Argentina Northeast, Argentina Northwest, Argentina South, Arizona
Observations13,562

金鱼藻属(学名:Ceratophyllum)自成一目、一科、一属,是一类分布在全世界范围内的水生植物。一般生活在温带和热带的池塘、沼泽和平静的溪流中。

via · Kew POWO

Museum specimens

Specimen records
487
With media
307
Family
Ceratophyllaceae
Collections
INECOL, MSC, FMNH, US, IBUNAM, COCO
Recorded in
Mexico, United States, China, Brasil, Indonesia, Papua New Guinea

Wikidata facts

Instance of
taxon
Parent taxon
Ceratophyllaceae
Image
CeratophyllumSubmersum.jpg
Show 7 more facts
Commons category
Ceratophyllum
taxon rank
genus
taxon name
Ceratophyllum
topic's main category
Category:Ceratophyllum
taxon common name
金鱼藻属
has fruit type
nucule
Sources (3)

via Wikidata · CC0

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Encyclopedic overview

6 sections
Contents
  • Description
  • Taxonomy
  • Species
  • Phylogeny
  • References
  • External links

Ceratophyllum is a cosmopolitan genus of flowering plants commonly found in ponds, marshes, and quiet streams in tropical and in temperate regions. It is the only extant genus in the family Ceratophyllaceae, itself the only extant family in the order Ceratophyllales. They are usually called coontails or hornworts, although hornwort is also used for unrelated plants of the division Anthocerotophyta.

==Description== Ceratophyllum grows completely submerged, usually, though not always, floating on the surface of the water. The plant stems can reach 1–3 m in length. At intervals along nodes of the stem they produce rings of bright green leaves, which are narrow and often much-branched. The forked leaves are brittle and stiff to the touch in some species, softer in others. Roots are completely absent and are missing even in the embryonic stage, but sometimes they develop modified leaves with a rootlike appearance, which anchor the plant to the bottom. Stomata are not present on any species. The flowers are small and inconspicuous, with the male and female flowers on the same plant. In ponds it forms thick buds (turions) in the autumn, which sink to the bottom and give the impression that the plant has been killed by the frost; but come spring, these will grow back into the long stems, slowly filling up the pond.

Excerpted from Wikipedia’s “Ceratophyllum” article, available under the CC BY-SA 4.0 licence.

Gallery (16)