- Family: Zosteraceae Dumort.
Zostera L.
This genus is accepted, and its native range is Temp. & Subtropical to New Guinea.
Descriptions
According to Flora of Tropical East Africa
[FTEA]Zosteraceae, H. J. Beentje, M.Sc., Ph.D., F.L.S.. Flora of Tropical East Africa. 1999
- Habit
- Submerged marine plants; rhizome matted, orange-brown, creeping, monopodial, compressed, rooting at the nodes; erect stems annual, compressed, glabrous, the sterile stems short and arising from the axils of rhizomatous leaves, the floriferous stems terminal or lateral, sympodial, longer than the sterile stems, branched, each branch with an inflorescence
- Leaves
- Leaves distichous, linear; leaf-sheath compressed, amplexicaul, membranous, auriculate and ligulate, persisting longer than the leaf- blades; leaf-blade linear, with 3–11 nerves and accessory bundles in between, margins entire or somewhat denticulate distally
- Inflorescences
- Inflorescence terminal or lateral, forming erect annual branches, each terminating in a fertile leaf with the sheath containing a sessile, flattened, linear spadix with or without bract-like lobes (retinacula) that fold over one or more flowers
- Flowers
- Flowers in two lines of alternating staminate and pistillate flowers on one surface of spadix; anthers single, sessile, of (1–)2(–3) locules connected by a ridge-like connective; ovary uniovulate, with persistent style, the stigmas protruding from the sheath at anthesis
- Fruits
- Fruit membranous, cylindrical to ovoid, 1-seeded, indehiscent or irregularly dehiscent; pericarp scarious; seed ellipsoid or ovoid, smooth or ribbed; embryo grooved.
Images
Distribution
Doubtfully present in:
Albania
Native to:
Alaska, Aleutian Is., Algeria, Angola, Baleares, Baltic States, Bangladesh, Belgium, Bermuda, British Columbia, Bulgaria, California, Canary Is., Cape Provinces, Central American Pac, Chile Central, China North-Central, Connecticut, Corse, Delaware, Denmark, East Aegean Is., Egypt, Finland, France, Føroyar, Germany, Great Britain, Greece, Greenland, Honduras, Iceland, Iran, Ireland, Italy, Japan, Kamchatka, Kazakhstan, Kenya, Khabarovsk, Korea, Kriti, Krym, Kuril Is., KwaZulu-Natal, Libya, Madagascar, Magadan, Maine, Manchuria, Maryland, Masachusettes, Mauritania, Mexican Pacific Is., Mexico Northwest, Morocco, Mozambique, Myanmar, Nansei-shoto, Netherlands, New Brunswick, New Guinea, New Hampshire, New South Wales, New York, New Zealand North, New Zealand South, Newfoundland, Norfolk Is., North Carolina, North Caucasus, North European Russi, Northwest European R, Norway, Nova Scotia, Nunavut, Ontario, Oregon, Poland, Portugal, Primorye, Prince Edward I., Queensland, Québec, Rhode I., Romania, Sakhalin, Sardegna, Sicilia, Sinai, South Australia, South European Russi, Spain, Sweden, Taiwan, Tanzania, Tasmania, Thailand, Transcaucasus, Tunisia, Turkey, Turkey-in-Europe, Ukraine, Uzbekistan, Victoria, Vietnam, Virginia, Washington, Western Australia, Western Sahara, Yugoslavia, Yukon
Accepted Species
- Zostera angustifolia (Hornem.) Rchb.
- Zostera asiatica Miki
- Zostera caespitosa Miki
- Zostera capensis Setch.
- Zostera capricorni Asch.
- Zostera caulescens Miki
- Zostera japonica Asch. & Graebn.
- Zostera marina L.
- Zostera mucronata Hartog
- Zostera muelleri Irmisch ex Asch.
- Zostera nigricaulis (J.Kuo) S.W.L.Jacobs & Les
- Zostera noltii Hornem.
- Zostera novazelandica Setch.
- Zostera polychlamys (J.Kuo) S.W.L.Jacobs & Les
- Zostera tasmanica M.Martens ex Asch.
Synonyms
Other Data
Zostera L. appears in other Kew resources:
Herbarium Catalogue (1 records)
Date | Reference | Identified As | Barcode | Type Status |
---|---|---|---|---|
Melville, R., New Zealand | 37179.000 |
Bibliography
First published in Sp. Pl.: 968 (1753)
Accepted by
- Govaerts, R.H.A. (2011). World checklist of selected plant families published update Facilitated by the Trustees of the Royal Botanic Gardens, Kew.
Literature
Flora of Tropical East Africa
- den Hartog, Sea-grasses of the World: 42 (1970)
- Setch. in Proc. Nat. Acad. Sci. 19: 810 (1933)
- Graebn. in E.P. 4, 2: 27 (1907)
- Asch. in E. & P. Pf. 2, 1: 201 (1889)
- L., Gen. Pl. ed. 5: 415 (1754)
- Sp. Pl.: 968 (1753)
Sources
Flora of Tropical East Africa
Flora of Tropical East Africa
http://creativecommons.org/licenses/by-nc-sa/3.0
Herbarium Catalogue Specimens
'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2019. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0
Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2019. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0