Comments
provided by eFloras
Common in rice fields and other wet places from 300-1800 m. The plant is used for raising blisters in rheumatic pains, fevers, etc.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Description
provided by eFloras
Plant 12-40 cm tall, erect or decumbent. Stem usually unbranched. Leaves linear-lanceolate, auriculate, 6-60 mm long, 1.75-8 mm broad. Cymes (1-)2-3(-13) flowered; peduncle (1.5-)2-4(-6) mm long. Pedicel 1-4 mm long. Hypanthium 1.5-3 mm long, 1.25-3.5 mm broad, vertically 8-10-green-ribbed; ribs obscure in fruit. Epicalyx minute. Petals obovate-cuneate or absent. Stamens inserted above the middle of the hypanthium. Ovary 1-2 mm long, 1-2 mm broad; style 1-1.75 mm long. Capsule slightly exceeding the hypanthium, 2-3 mm long, 2-3 mm broad. Seeds discoid.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Description
provided by eFloras
Herbs, 15-60 cm tall. Stems branched. Leaves opposite, narrowly lanceolate or oblong-lanceolate, l.5-7.5 cm × 3-15 mm, base cordate-auriculate, clasping. Flowers (1-)3-15, commonly ca. 7, in axillary cymes; pedicels 1-3(-6) mm; peduncle 3-9 mm, commonly ca. 5 mm; bracteoles linear, not reaching floral tube. Floral tube campanulate to urceolate, 1.5-2 mm, conspicuously 4-8-ribbed; sepals 4, broadly deltate; epicalyx segments minute, thickened. Petals 4, rose-purple, suborbicular, ca. 1.5 mm, sometimes absent. Stamens 4-8, long-exserted. Style ca. as long as or longer than ovary. Capsules 1.5-3(-3.5) mm in diam., equal to surpassing floral tube. Fl. Aug-Dec, fr. Aug-Dec. 2n = 30, 32.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Distribution
provided by eFloras
Tropical Africa, C. Asia, Himalaya, India, east to China, Malaysia, Australia, N. & S. America.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Distribution
provided by eFloras
Distribution: Widely distributed throughout tropical and warm temperate regions.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Elevation Range
provided by eFloras
700-1400 m
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Flower/Fruit
provided by eFloras
Fl. Per.: Aug.-Sept.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Habitat & Distribution
provided by eFloras
Wet places, rice farms. Anhui, Fujian, Gansu, Guangdong, Hebei, Henan, Hubei, Jiangsu, Shanxi, Yunnan, Zhejiang [pantropical].
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Synonym
provided by eFloras
Ammannia arenaria Kunth; A. auriculata Willdenow var. arenaria (Kunth) Koehne.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Derivation of specific name
provided by Flora of Zimbabwe
auriculata: with ear-like lobes, auriculate
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- Mark Hyde, Bart Wursten and Petra Ballings
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- Hyde, M.A., Wursten, B.T. and Ballings, P. (2002-2014). Ammannia auriculata Willd. Flora of Zimbabwe website. Accessed 28 August 2014 at http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=141510
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- Mark Hyde
- author
- Bart Wursten
- author
- Petra Ballings
Description
provided by Flora of Zimbabwe
Erect annual herb, simple or more or less branched, up to 65 cm high. Stem more or less 4-sided and narrowly winged towards the top. Leaves 1.5-8 cm long, linear to narrowly lanceolate, distinctly cordate-auriculate at the base except sometimes the lowermost leaves; margin entire. Flowers in lax, few-15 flowered axillary inflorescences on a peduncle 4-18 mm long. Petals 4, obovate deep pink.Stamens 4-8, Exserted. Capsule globose, 2-3.5 mm in diameter.
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- Mark Hyde, Bart Wursten and Petra Ballings
- bibliographic citation
- Hyde, M.A., Wursten, B.T. and Ballings, P. (2002-2014). Ammannia auriculata Willd. Flora of Zimbabwe website. Accessed 28 August 2014 at http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=141510
- author
- Mark Hyde
- author
- Bart Wursten
- author
- Petra Ballings
Frequency
provided by Flora of Zimbabwe
Frequent
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- Mark Hyde, Bart Wursten and Petra Ballings
- bibliographic citation
- Hyde, M.A., Wursten, B.T. and Ballings, P. (2002-2014). Ammannia auriculata Willd. Flora of Zimbabwe website. Accessed 28 August 2014 at http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=141510
- author
- Mark Hyde
- author
- Bart Wursten
- author
- Petra Ballings
Worldwide distribution
provided by Flora of Zimbabwe
Pantropical and subtropical.
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- Mark Hyde, Bart Wursten and Petra Ballings
- bibliographic citation
- Hyde, M.A., Wursten, B.T. and Ballings, P. (2002-2014). Ammannia auriculata Willd. Flora of Zimbabwe website. Accessed 28 August 2014 at http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=141510
- author
- Mark Hyde
- author
- Bart Wursten
- author
- Petra Ballings
Ammannia auriculata
provided by wikipedia EN
Ammannia auriculata, commonly known as eared redstem,[2] is a species in the family Lythraceae that is found in tropical and subtropicalt areas around much of the world.[1]
The slender and erect herb typically grows to a height of 5 to 40 centimetres (2 to 16 in). It blooms in March producing orange-purple flowers.[3]
In Australia the species is found along the swampy margins of streams in a few scattered areas of the Kimberley and Pilbara regions of Western Australia extending into the Northern Territory and Queensland where it grows in black loamy soils.[3]
In the United States it is found in Alabama,[4] Arizona, Louisiana, Texas, South Dakota, Nebraska, New Mexico and Mississippi.[2] It is found through much of Central America, Southern Chine and parts of Asia.
It is commonly found as a weed in rice paddies and on damp disturbed areas of soil.[1]
References
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Ammannia auriculata: Brief Summary
provided by wikipedia EN
Ammannia auriculata, commonly known as eared redstem, is a species in the family Lythraceae that is found in tropical and subtropicalt areas around much of the world.
The slender and erect herb typically grows to a height of 5 to 40 centimetres (2 to 16 in). It blooms in March producing orange-purple flowers.
In Australia the species is found along the swampy margins of streams in a few scattered areas of the Kimberley and Pilbara regions of Western Australia extending into the Northern Territory and Queensland where it grows in black loamy soils.
In the United States it is found in Alabama, Arizona, Louisiana, Texas, South Dakota, Nebraska, New Mexico and Mississippi. It is found through much of Central America, Southern Chine and parts of Asia.
It is commonly found as a weed in rice paddies and on damp disturbed areas of soil.
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- Wikipedia authors and editors
