Lagarosiphon major
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Photo: Mark Hyde
Garden of 12, Zimre Way, Mandara, Harare
Photo: Mark Hyde
Garden of 12, Zimre Way, Mandara, Harare
Photo: Mark Hyde
Garden of 12, Zimre Way, Mandara, Harare
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| Synonyms: |
Elodea crispa hort. Lagarosiphon muscoides Harv. var. major Ridl. |
| Common names: | African elodea (English) Curly waterweed (English) Oxygen weed (English) |
| Frequency: | |
| Status: | Native |
| Description: |
Stems thick, up to 3 mm in diameter; leaves 6.5-25 × 2-4.4 mm, alternate, occasionally whorled, spreading or recurved, thick, mostly opaque; apex usually obtuse. Epidermal cells mainly equal-sided; margins with 2 rows of sclerenchyma fibres, almost translucent, each side with 50-100 teeth; leaf teeth relatively short, blunt, pointing upwards and not borne on protuberances; central area narrow, without sclerenchyma fibres. Male inflorescence a spathe with c. 50 flower buds; spathe valves ovate; male perianth pinkish. Female inflorescence with ovate to narrowly ovate spathe valves; female flower with pinkish perianth. Capsule ovoid to narrowly ovoid, tapered above. |
| Type location: |
South Africa |
| Notes: | |
| Derivation of specific name: | major: larger, greater, bigger |
| Habitat: | Dams and lakes |
| Altitude range: (metres) | |
| Flowering time: | |
| Worldwide distribution: | South Africa, where it is said to be native; elsewhere a troublesome weed, especially in Europe and New Zealand. |
| FZ divisions: | N |
| Growth form(s): | Aquatic. |
| Endemic status: | |
| Red data list status: | |
| Insects associated with this species: | |
| Spot characters: | Display spot characters for this species |
| Images last updated: | Wednesday 6 September 2017 |
| Literature: |
Chapano, C. & Mugarisanwa, N.H. (2003). Plants of the Matobo District National Herbarium and Botanic Garden, Zimbabwe Page 23. Mapaura, A. & Timberlake, J. (eds) (2004). A checklist of Zimbabwean vascular plants Southern African Botanical Diversity Network Report No. 33 Sabonet, Pretoria and Harare Page 91. Symoens, J.J. (2009). Hydrocharitaceae Flora Zambesiaca 12(2) Pages 24 - 25. |
Other sources of information about Lagarosiphon major:
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Flora of Zimbabwe: Lagarosiphon majorExternal websites:
African Plants: A Photo Guide (Senckenberg): Lagarosiphon majorAfrican Plant Database: Lagarosiphon major
BHL (Biodiversity Heritage Library): Lagarosiphon major
EOL (Encyclopedia of Life): Lagarosiphon major
GBIF (Global Biodiversity Information Facility): Lagarosiphon major
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iNaturalist: Lagarosiphon major
IPNI (International Plant Names Index): Lagarosiphon major
JSTOR Plant Science: Lagarosiphon major
Mansfeld World Database of Agricultural and Horticultural Crops: Lagarosiphon major
Plants of the World Online: Lagarosiphon major
Tropicos: Lagarosiphon major
Wikipedia: Lagarosiphon major