- Family:
- Hydrocharitaceae Juss.
Blyxa Noronha ex Thouars

[FTEA]
Hydrocharitaceae, David Simpson. Flora of Tropical East Africa. 1989
- Morphology General Habit
- Dioecious (perhaps rarely monoecious) or hermaphrodite, submerged, freshwater, annual or perennial herbs
- Morphology Roots
- Roots simple, adventitious
- Morphology Stem
- Stems corm-like or elongate and rhizomatous or stoloniferous, or erect Leaves sessile, spirally arranged, radical or cauline, linear to elliptic, acuminate to obtuse, attenuate towards apex, patent, spreading or erect, flaccid, translucent, with up to 28 longitudinal veins; margins green, denticulate, at least towards the apex, the teeth usually patent
- Morphology Leaves Stipules
- Stipules 0
- Morphology Leaves
- Nodal scales 2 per leaf, narrowly triangular to triangular, with entire margins
- Morphology Reproductive morphology Inflorescences Bracts
- Spathe solitary in leaf-axil, sessile or pedunculate, cylindric, 2-lobed at the apex, somewhat translucent, 2–6-veined, with 1–2(–22) flowers
- Morphology Reproductive morphology Flowers
- Male flowers long-pedicellate, remaining attached to the plant at anthesis; ♀ and hermaphrodite flowers sessile or subsessile Flowers unisexual or bisexual
- Morphology Reproductive morphology Flowers Calyx
- Sepals 3, linear to linear-lanceolate, acute or cucullate, erect and often forming a tube at anthesis.
- Morphology Reproductive morphology Flowers Corolla
- Petals 3, filiform to lanceolate, acute to obtuse, papillose, often erect
- Morphology Reproductive morphology Flowers Androecium Stamens
- Stamens 3 (in hermaphrodite flowers) 6 or 9, in whorls of 3; anthers erect, 4-thecous, latrorsely or introrsely dehiscent; filaments filiform; staminodes (in hermaphrodite flowers only) 3, rudimentary or absent
- Morphology Reproductive morphology Flowers Gynoecium Pistil
- Ovary of 3 carpels, narrowly cylindric, 1-locular, placentation parietal; ovules numerous, anatropous; perianth-tube filiform or narrowly cylindric, carrying perianth to the water surface; styles 3; stigmas 3, simple, linear, papillose on adaxial surface
- Morphology Reproductive morphology Fruits
- Fruit elongate, narrowly cylindrical, disintegrating at maturity
- Morphology Reproductive morphology Seeds
- Seeds numerous, narrowly ellipsoid, ellipsoid or ovoid, smooth, tuberculate, winged, ribbed or spiny.
Native to:
Andaman Is., Angola, Assam, Bangladesh, Borneo, Burundi, Cambodia, Caroline Is., Central African Repu, China North-Central, China South-Central, China Southeast, East Himalaya, Guinea, Guinea-Bissau, Hainan, India, Japan, Jawa, Korea, Madagascar, Malaya, Mali, Maluku, Manchuria, Mozambique, Myanmar, Nansei-shoto, Nepal, New Guinea, Northern Territory, Philippines, Queensland, Senegal, Sierra Leone, Sri Lanka, Sulawesi, Sumatera, Taiwan, Tanzania, Thailand, Vietnam, West Himalaya, Western Australia, Zambia, Zaïre
Introduced into:
Italy, Louisiana, Mississippi, Portugal
- Blyxa aubertii Rich.
- Blyxa echinosperma (C.B.Clarke) Hook.f.
- Blyxa hexandra C.D.K.Cook & Luond
- Blyxa japonica (Miq.) Maxim. ex Asch. & Gürke
- Blyxa javanica Hassk.
- Blyxa kasaragodensis P.Biju, Josekutty & Augustine
- Blyxa leiosperma Koidz.
- Blyxa mangalensis K.Rashmi & G.Krishnak.
- Blyxa novoguineensis Hartog
- Blyxa octandra (Roxb.) Planch. ex Thwaites
- Blyxa quadricostata Hartog
- Blyxa radicans Ridl.
- Blyxa senegalensis Dandy
- Blyxa vietii C.D.K.Cook & Luond
Blyxa Noronha ex Thouars appears in other Kew resources:
Date | Reference | Identified As | Barcode | Type Status | Has image? |
---|---|---|---|---|---|
Edwards, P.J. [4054], New Guinea | 70464.000 | No |
First published in Gen. Nov. Madagasc.: 4 (1806)
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 West Tropical Africa
- F.T.A. 7: 6.
- Gen. Nov. Madag. 4 (1806)
Flora of Tropical East Africa
- Cook & Lüönd in Aquat. Bot. 15: 1 (1983)
- Gen. Nov. Madag.: 4 (1806)
- Rich. in Mém. Cl. Sci. Math. Phys. Inst. France, 1811(2): 19, 63, 77 (1812, published 1814)
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Flora of Tropical East Africa
Flora of Tropical East Africa
http://creativecommons.org/licenses/by-nc-sa/3.0
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Herbarium Catalogue Specimens
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Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2022. 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
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Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2022. 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