The glossy black seeds each form inside a 2 mm long utricle that splits open at maturity. Amaranthus gangeticus (wordt ook wel ‘Elephant Head’ genoemd) Amaranthus tricolor (ook wel Tampala genoemd; En dan zijn er nog flink wat hybriden. Branch of flowering amaranth at sunny summer day in meadow. Amaranthus retroflexus Red-root amaranth, redroot pigweed, common amaranth, pigweed amaranth, and common tumbleweed. Pertinent Synonyms & Notes (particularly those used in California; go to GRIN for other synonyms). Plants that resemble most other pigweed species but with pairs of spines at the base of the leaf petiole and the central stem. This is a much under-utilized weed of cultivated fields and disturbed ground (can be invasive). Weed Seed Bank and Seedling Biology En ‘Klaroen’ is bijvoorbeeld ook een Amaranthus, en ook ‘Bayam’, en ‘Calaloo’ (hoewel ‘Callaloo’ vaker wordt gebruikt). Packet(standard): $3.50; 1/8 oz: $4.00; 1/4 oz: $7.50; 1/2 oz: $14.00; 1 oz: $26.00 - 25,000 seeds/oz Isolated on a white background. Tot het geslacht behoren verscheidene sier- en voedselgewassen. redroot pigweed, rough pigweed. Redroot pigweed seed is larger by up to 0.5 mm, has a pronounced rim, and is black. Seeds were held in … Tall water-hemp seeds do not have a rim and are reddish-brown. One of the more important food plants of Native Americans in the past. Amaranthus … This plant has no children Legal Status. Vormt rechtopstaande goed vertakte stengels met dikke groenwitte pluimen. Hedlund, T., tJber die Moglichkeit, von der Ausbildung des Weizens in Herbst auf die Winterfestigheit der verschiedenen sorten zu schliessen. It tastes similar to spinach. Sorghum leaf and shoot extracts in English: Common Amaranth. Amaranthus retroflexus var. Epub 2013 Jan 4. Primary Disseminule Type. Amaranthus retroflexus, Red-root amaranth, 10 to 80cm, flower VII to IX, annual, plant community: ruderal, culinary herb, weight of 1000 seeds = 0,45 gram Amaranthus retroflexus (redroot pigweed) is another small-seeded summer annual dicotyledon species that has responded inconsistently to changes in tillage systems. Irradiation with far-red light for short periods during the early hours of a prechilling period at 10° inhibited subsequent dark germination at 35°. The results demonstrated that atrazine or tribenuron-methyl had carry-over effects on the F1 generation of A. retroflexus. 2015 Mar;31(3):247-54. doi: 10.1177/0748233712471702. Johnst. De grote, elliptische bladeren zijn groen, iets behaard aan de onderkant en eetbaar. A. retroflexus was known in gardens by 1759, and escapes, of which the earliest on record was in 1853, have been reinforced by introductions with shoddy, bird-seed and soya-bean waste. 1918. Zaait zich spontaan uit. Freshly harvested, dormant seeds of Amaranthus retroflexus were unable to germinate at 25 and 35 °C. Seed Fruit. Each utricle splits open in the middle to expose a single glossy black to dark brown seed that is 1 to 1.2 mm long and ovate (Virginia Tech Weed Identification Guide, 2005). Abstract. rough pigweed. Red-root pigweed (Amaranthus retroflexus) seeds and capsuleOpen New Window Amaranthus retroflexus, Red-root amaranth, Seeds per gram: 2200 Cultivation / direction of sowing: sow seed directly where it is to grow in lating spring. Amaranthus retroflexus seed germination was decreased by sorghum extracts, and sorghum extract concentration of 20% inhibited seed germination. Amaranthus tricolor L.. Redroot pigweed (Amaranthus retroflexus) Redroot pigweed seed has a similar lenticular shape, notched hilum and glossy surface as tall water-hemp. Invasiveness Rank: ... seed each and tops that open . 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