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ALTERNANTHERA Forssk. [family AMARANTHACEAE]
Date Updated: 19 August 2007
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Somalia
Resource Type
Reference Sources
Entry From
Flora Somalia, Vol 1, (1993) Author: by C. C. Townsend [updated by M. Thulin 2008]
Names
ALTERNANTHERA Forssk. [family AMARANTHACEAE], (1775)
Information
Annual or perennial, prostrate or erect to scrambling or floating, with entire, opposite leaves. Inflorescence axillary, of sessile or pedunculate heads or short spikes, solitary or clustered, bracteate, flowers solitary in the axils of the bracts. Tepals 5, free, similar or dissimilar in form. Stamens 2–5, some occasionally without anthers, filaments monadelphous below into a cup or tube, alternating with large and dentate or laciniate to very small subulate pseudostaminodes, or rarely these absent. Style short, stigma capitate. Ovary 1-ovulate. Fruit thin-walled or sometimes ± corky.
Range
A large genus of perhaps c. 200 species (revision will probably prove this figure too high), particularly well represented in the New World tropics.
Notes
A recent record of A. sessilis (L.) DC. for Somalia by Kuchar was based on a previous record of A. repens in Chiov., Fl. Somala 2 (1932). However, Chiovenda recorded A. repens (L.) Link – as “(L.) Steud.” – which is a synonym of A. pungens, and not A. repens Gmel., which is a synonym of A. sessilis. A. sessilis is not yet known from Somalia, though it may occur.
Date Updated: 19 August 2007
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Somalia
Resource Type
Reference Sources
Entry From
Flora Somalia, Vol 1, (1993) Author: by C. C. Townsend [updated by M. Thulin 2008]
Names
ALTERNANTHERA Forssk. [family AMARANTHACEAE], (1775)
Information
Annual or perennial, prostrate or erect to scrambling or floating, with entire, opposite leaves. Inflorescence axillary, of sessile or pedunculate heads or short spikes, solitary or clustered, bracteate, flowers solitary in the axils of the bracts. Tepals 5, free, similar or dissimilar in form. Stamens 2–5, some occasionally without anthers, filaments monadelphous below into a cup or tube, alternating with large and dentate or laciniate to very small subulate pseudostaminodes, or rarely these absent. Style short, stigma capitate. Ovary 1-ovulate. Fruit thin-walled or sometimes ± corky.
Range
A large genus of perhaps c. 200 species (revision will probably prove this figure too high), particularly well represented in the New World tropics.
Notes
A recent record of A. sessilis (L.) DC. for Somalia by Kuchar was based on a previous record of A. repens in Chiov., Fl. Somala 2 (1932). However, Chiovenda recorded A. repens (L.) Link – as “(L.) Steud.” – which is a synonym of A. pungens, and not A. repens Gmel., which is a synonym of A. sessilis. A. sessilis is not yet known from Somalia, though it may occur.
Date Updated: 19 August 2007
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Somalia
Resource Type
Reference Sources
Entry From
Flora Somalia, Vol 1, (1993) Author: by C. C. Townsend [updated by M. Thulin 2008]
Names
ALTERNANTHERA Forssk. [family AMARANTHACEAE], (1775)
Information
Annual or perennial, prostrate or erect to scrambling or floating, with entire, opposite leaves. Inflorescence axillary, of sessile or pedunculate heads or short spikes, solitary or clustered, bracteate, flowers solitary in the axils of the bracts. Tepals 5, free, similar or dissimilar in form. Stamens 2–5, some occasionally without anthers, filaments monadelphous below into a cup or tube, alternating with large and dentate or laciniate to very small subulate pseudostaminodes, or rarely these absent. Style short, stigma capitate. Ovary 1-ovulate. Fruit thin-walled or sometimes ± corky.
Range
A large genus of perhaps c. 200 species (revision will probably prove this figure too high), particularly well represented in the New World tropics.
Notes
A recent record of A. sessilis (L.) DC. for Somalia by Kuchar was based on a previous record of A. repens in Chiov., Fl. Somala 2 (1932). However, Chiovenda recorded A. repens (L.) Link – as “(L.) Steud.” – which is a synonym of A. pungens, and not A. repens Gmel., which is a synonym of A. sessilis. A. sessilis is not yet known from Somalia, though it may occur.
![ALTERNANTHERA Forssk. [family AMARANTHACEAE]](/fsi/img/misc/plants/static_thumbs/flora_somalia_icon96.jpg)
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