Description
provided by eFloras
Plants annual, pubescent when young, becoming glabrescent at maturity. Stems decumbent or erect, branched proximally, 0.7-1 m. Leaves: petiole 1/2-11/2 times as long as blade; blade obovate or obovate-elliptic to oblan-ceolate, 1-2 × 0.5-1 cm, base cuneate to attenuate, margins entire, apex obtuse, rounded, or slightly emarginate, mucronate. Inflorescences axillary clusters extending to near base. Bracts of pistillate flowers lanceolate, 2-4 mm, shorter than tepals. Pistillate flowers: tepals 3, reflexed, ovate-elliptic to lanceolate, 3-5 mm, apex tapering and long-aristate; style branches spreading; stigmas 2. Staminate flowers intermixed with pistillate; tepals 3, equal; stamens 3. Utricles ellipsoid or ellipsoid-ovoid, 2 mm, shorter than tepals, mostly smooth (or slightly rugose distally), dehiscence regularly circumscissile. Seeds black, subglobose or lenticular, 1-1.4 mm diam., semishiny (or minutely punctulate and reticulate).
- license
- cc-by-nc-sa-3.0
- copyright
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Habitat & Distribution
provided by eFloras
Flowering summer-fall. Uncommon, casual alien near wool-combing mills; introduced; S.C.; native to Africa.
- license
- cc-by-nc-sa-3.0
- copyright
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Derivation of specific name
provided by Flora of Zimbabwe
thunbergii: named after Carl Peter Thunberg (1743-1828)
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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). Amaranthus thunbergii Moq. Flora of Zimbabwe website. Accessed 28 August 2014 at http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=122220
- author
- Mark Hyde
- author
- Bart Wursten
- author
- Petra Ballings
Description
provided by Flora of Zimbabwe
Ascending or erect annual herb, up to c. 55 cm high. Stems simple or branched, angular, almost hairless below but usually with long multicellular hairs towards the top. Leaves more or less narrowly elliptic, rhomboid or spathulate, up to 4.5 × 3 cm, almost hairless or thinly hairy below; base often decurrent along the petiole. Flowers greenish in short axillary clusters, unisexual. Capsule ovoid-ellipsoid, 2.5-3.5 mm long, with a short beak.
- license
- cc-by-nc
- copyright
- Mark Hyde, Bart Wursten and Petra Ballings
- bibliographic citation
- Hyde, M.A., Wursten, B.T. and Ballings, P. (2002-2014). Amaranthus thunbergii Moq. Flora of Zimbabwe website. Accessed 28 August 2014 at http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=122220
- author
- Mark Hyde
- author
- Bart Wursten
- author
- Petra Ballings
Worldwide distribution
provided by Flora of Zimbabwe
From Ethiopia and Somalia to DRC and Angola, Botswana, Namibia and South Africa.
- license
- cc-by-nc
- copyright
- Mark Hyde, Bart Wursten and Petra Ballings
- bibliographic citation
- Hyde, M.A., Wursten, B.T. and Ballings, P. (2002-2014). Amaranthus thunbergii Moq. Flora of Zimbabwe website. Accessed 28 August 2014 at http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=122220
- author
- Mark Hyde
- author
- Bart Wursten
- author
- Petra Ballings
Amaranthus thunbergii: Brief Summary
provided by wikipedia EN
Amaranthus thunbergii, commonly known as Thunberg's amaranthus or Thunberg's pigweed, is found in Africa.
The leaves are used as a flavouring or leafy vegetable.
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- cc-by-sa-3.0
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- Wikipedia authors and editors