Description
provided by eFloras
Aquatic herb; stem filiform, branched, submerged, 0.5 mm broad. Submerged leaves sessile, narrowly linear, filiform, less than 3 mm broad with a well-marked lacunar band bordering the midrib; floating leaves 2-3.5 cm long, 6-7 (-10) mm broad, 5-7-nerved, ovate-lanceolate, long-petioled; petioles 1-2 (-2.5) cm long. Stipules free, open lanceolate-ovate, up to c. 1.2 cm long, 2-3.5 mm broad, membranous, caducous. Spikes few-flowered, globose, 1-1.5 cm long. Fruitlets obovoid, c. 1.5 mm long and almost equally broad, conspicuously beaked, often ornamented basally.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Distribution
provided by eFloras
Tropical Africa, Asia and Australia.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Distribution
provided by eFloras
Distribution: A very distinct species, widely distributed in tropical and N.E. South Africa, Madagascar, S.E. Asia and N.E. Australia.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Elevation Range
provided by eFloras
700-1000 m
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Flower/Fruit
provided by eFloras
Fl.Per.: July-August.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Description
provided by Flora of Zimbabwe
Herb, 20-100 cm high, from a creeping rhizome. Stipular sheaths small, convolute, soon decaying. Leaves dimorphic: submerged leaves 30-70
× 1-3 mm, linear to narrowly linear-lanceolate, alternate, translucent; apex acute or acuminate; the area between
midrib and lateral nerves consisting of lacunar tissue; floating leaves up to 20 × 5 mm, lanceolate to
oblong-lanceolate, with a petiole 1 cm, opposite, just below the flower spikes, not translucent, apple-green. Spikes longer than leaves; flowers usually 2 per whorl, with 3-7 whorls per spike. Drupe 2 mm, rounded to oblong in outline, tapering to
base; beak relatively long, upturned.
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- Mark Hyde, Bart Wursten and Petra Ballings
- bibliographic citation
- Hyde, M.A., Wursten, B.T. and Ballings, P. (2002-2014). Potamogeton octandrus Poir. Flora of Zimbabwe website. Accessed 28 August 2014 at http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=103070
- author
- Mark Hyde
- author
- Bart Wursten
- author
- Petra Ballings
Worldwide distribution
provided by Flora of Zimbabwe
Widespread in tropical Africa, Gauteng and KwaZulu-Natal, South Africa, Madagascar, South and East Asia, New Guinea and Australia.
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- cc-by-nc
- copyright
- Mark Hyde, Bart Wursten and Petra Ballings
- bibliographic citation
- Hyde, M.A., Wursten, B.T. and Ballings, P. (2002-2014). Potamogeton octandrus Poir. Flora of Zimbabwe website. Accessed 28 August 2014 at http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=103070
- author
- Mark Hyde
- author
- Bart Wursten
- author
- Petra Ballings
Potamogeton octandrus
provided by wikipedia EN
Potamogeton octandrus is an aquatic plant species in the genus Potamogeton. It is found in slow-moving fresh water. The specific epithet means 'eight-stamened'.[1]
Distribution and habitat
This is a common plant in lakes and ponds. It is known from Africa, Asia (Russian Far East, Mongolia, Korea, Japan, China, Taiwan, Pakistan, India, Nepal, Bhutan, Myanmar, Thailand, Vietnam (type), Indonesia (type of P. javanicus), and Papua New Guinea), and Australia (type of P. tenuicaulis).[2][3]
Description
Aquatic herb.
References
-
^ Gledhill D. 1996. The Names of Plants. Cambridge University Press. ISBN 0521366755
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^ Ito, Y., T. Ohi-Toma, Nb. Tanaka, and J. Murata (2009) New or noteworthy plant collections from Myanmar (3) Caldesia parnassifolia, Nechamandra alternifolia, Potamogeton maackianus and P. octandrus. Journal of Japanese Botany 84: 321-329.
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^ Ito, Y. (2013) New records of aquatic plants for the flora of Thailand: Nechamandra alternifolia and Potamogeton octandrus. Thai Forest Bulletin 41: xxx-xxx
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Potamogeton octandrus: Brief Summary
provided by wikipedia EN
Potamogeton octandrus is an aquatic plant species in the genus Potamogeton. It is found in slow-moving fresh water. The specific epithet means 'eight-stamened'.
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- Wikipedia authors and editors
Potamogeton octandrus
(
Vietnamese
)
provided by wikipedia VI
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- Wikipedia tác giả và biên tập viên
Potamogeton octandrus: Brief Summary
(
Vietnamese
)
provided by wikipedia VI
Potamogeton octandrus là một loài thực vật có hoa trong họ Potamogetonaceae. Loài này được Poir. miêu tả khoa học đầu tiên năm 1816.
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- Wikipedia tác giả và biên tập viên
