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cymodocea
Scientific Name: Cymodocea serrulata
Family: Cymodoceaceae
Category: Monocot
Growth:
Duration:
Other Names:
Cymodocea: A Genus of Seagrass
Cymodocea is a genus of seagrasses belonging to the family Cymodoceaceae. These plants are adapted to live fully submerged in marine environments.
Taxonomy and Nomenclature
- Scientific Name: Cymodocea K.D.Knig, 1805
- Family: Cymodoceaceae
- Kingdom: Plantae
- Synonyms:
- Cymodocea aequorea K.D.Koenig, 1805 (for Cymodocea nodosa)
Distribution and Habitat
Cymodocea species have a wide distribution in warm oceans, especially in the Indo-Pacific region and the Mediterranean Sea. Specific distribution details include:
- Cymodocea rotundata: Wide Indo-Pacific distribution, from southern Japan to Hainan, China.
- Cymodocea serrulata: Wide Indo-Pacific distribution, from southern Japan, Taiwan and Hainan, China.
- Cymodocea nodosa: Mediterranean Sea and Atlantic Ocean, ranging from mid-Portugal to the south. It is also common in the Canary Islands.
- Cymodocea angustata: Endemic to tropical Western Australia.
They often form meadows in shallow, submerged areas, sometimes down to 10 meters deep, and can be found in habitats like salt-pan channels.
Morphological Characteristics
Key features of Cymodocea species include:
- Leaves: Strap-like or ribbon-like.
- Rhizomes: Branched and rooting at nodes. Can be smooth. Some species have monopodial rhizomes.
Specific characteristics of individual species:
- Cymodocea rotundata: Flat, strap-like leaves (2-4mm wide) with rounded, smooth tips. Smooth rhizome with scars from well-developed leaf sheaths.
- Cymodocea serrulata: Long ribbon-like leaves (0.5-1cm wide and 7-15cm long) with blunt tips.
Cymodocea has short stems and internodes 2-9 cm long.