Amaranthus gracilentus H.W.Kung.
Amaranthus graecizans Cutanda
Amaranthus littoralis Hornem.
Amaranthus pubescens (Uline & W.L.Bray) Rydb.
Galliaria albida Bubani
Glomeraria alba (L.) Cav.
Common Name: Prostrate Pigweed
Amaranthus albus is an erect or ascending annual plant, occasionally almost prostrate; it produces a stem 30 - 70cm long that is branched from the base[
The edible leaves and seeds are sometimes gathered from the wild and used locally.
No members of this genus are known to be poisonous, but when grown on nitrogen-rich soils they are known to concentrate nitrates in the leaves. This is especially noticeable on land where chemical fertilizers are used. Nitrates are implicated in stomach cancers, blue babies and some other health problems. It is inadvisable, therefore, to eat this plant if it is grown inorganically.
Southern N. America. Naturalized or casual in most of Europe[
Disturbed or waste ground[
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Prefers a well-drained fertile soil in a sunny position[
]. Requires a hot sheltered position if it is to do well[
Plants are particularly susceptible to attacks by leaf-chewing insects[
Plants should not be given inorganic fertilizers, see notes above on toxicity.
Most if not all members of this genus photosynthesize by a more efficient method than most plants. Called the 'C4 carbon-fixation pathway', this process is particularly efficient at high temperatures, in bright sunlight and under dry conditions[
Leaves and young plant - cooked[
]. A mild flavour, it is rich in vitamins and minerals and is used as a spinach[
Seed - raw or cooked[
]. They can be ground into a flour and used to make bread[
]. Very small and fiddly, about 1mm in diameter[
], but the seed is very nutritious. The seed can be cooked whole, and becomes very gelatinous like this, but it is rather difficult to crush all of the small seeds in the mouth and thus some of the seed will pass right through the digestive system without being assimilated[
Yellow and green dyes can be obtained from the whole plant[
Seed - sow in situ. Germination is usually rapid and good if the soil is warm[
], but poor germination rates are experienced in cool or cold soils[
]. A drop in temperature overnight aids germination[
Cuttings of growing plants root easily[
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