• The best-known species is the common sunflower (Helianthus annuus). (wikipedia.org)
  • On the other hand, the whorled sunflower, Helianthus verticillatus, was listed as an endangered species in 2014 when the U.S. Fish and Wildlife Service issued a final rule protecting it under the Endangered Species Act. (wikipedia.org)
  • Helianthus niveus is a species of sunflower known by the common names showy sunflower and snowy sunflower. (wikipedia.org)
  • Helianthus niveus is a taprooted annual or perennial sunflower growing to a maximum height over 1 m (40 in). (wikipedia.org)
  • Helianthus debilis blooms almost year-round with lemon, daisy-like or sunflower-like flowers that have yellow petals and brown centers. (burpee.com)
  • Sunflower, Wild (Helianthus spp. (all-creatures.org)
  • Helianthus maximiliana 'Undaunted® Lemon Max' (Perennial Sunflower) is a sensational bloomer with an explosion of huge, clear yellow August daisies. (highcountrygardens.com)
  • Scanning electron micrograph of Helianthus annuus (Sunflower) pollen. (cellimagelibrary.org)
  • Akkaya MR, Abdullah C, Ayşe NC, Hatice Y, Osman K (2019) The influence of sowing dates on the oil content and fatty acid composition of standard, mid-oleic and high-oleic types of sunflower (Helianthus annuus L.). Food Sci and Tech. 39:448-453. (springer.com)
  • Alkio M, Schubert A, Diepenbrock W, Grimm E (2003) Effect of source-sink ratio on seed set and filling in sunflower ( Helianthus annuus L.). Plant Cell Environ 26:1609-1619. (springer.com)
  • Premise of the study: The sunflower genus Helianthus has long been recognized as economically significant, containing species of agricultural and horticultural importance. (datadryad.org)
  • Antioxidative and physiological responses of two sunflower (Helianthus" by MEHMET CENGİZ BALOĞLU, MUSA KAVAS et al. (tubitak.gov.tr)
  • Helianthus annuus must be one of the most popular summer annuals. (theseedsite.co.uk)
  • CIL:40325, Helianthus annuus, pollen. (cellimagelibrary.org)
  • BASIONYM: Helianthus annuus Linnaeus 1753. (usf.edu)
  • Helianthus annuus Linnaeus, forma fallax B. Boivin, Naturaliste Canad. (usf.edu)
  • Helianthus annuus Linnaeus, forma lenticularis (Douglas ex Lindley) B. Boivin, Naturaliste Canad. (usf.edu)
  • Helianthus annuus Linnaeus, forma silvester Thellung, Vierteljahrsschr. (usf.edu)
  • Effect of Sodium Azide on the Growth and Variability Induction in Helianthus annuus L. (scialert.net)
  • Seeds of Helianthus annuus cultivars Giza 1 and 102 were soaked in sodium azide solutions with the concentrations of 0, 100, 200, 300, 400 and 500 ppm for 4 h. (scialert.net)
  • Helianthus annuus 'Solara' dark pollen-free centre is surrounded by a dense array of rich golden yellow petals forming large 15cm (6in) flowers. (seedaholic.com)
  • Azospirillum brasilense Vi22 e a promoção de crescimento de girassol (Helianthus annuus L. (ufrgs.br)
  • Helianthus (/ˌhiːliˈænθəs/) is a genus comprising about 70 species of annual and perennial flowering plants in the daisy family Asteraceae commonly known as sunflowers. (wikipedia.org)
  • Home » Species » Plantae » Magnoliophyta » Rosopsida » Asterales » Asteraceae » Helianthus » Helianthus tuberosus - L. (myspecies.info)
  • This name is the accepted name of a species in the genus Helianthus (family Compositae ). (theplantlist.org)
  • Additionally, this genus displays a large range of phenotypic and genetic variation, making Helianthus a useful system for studying evolutionary and ecological processes. (datadryad.org)
  • Here we present the most robust Helianthus phylogeny to date, laying the foundation for future studies of this genus. (datadryad.org)
  • Helianthus tuberosus - L. (pfaf.org)
  • Helianthus tuberosus is a PERENNIAL growing to 2.4 m (7ft) by 0.6 m (2ft in) at a fast rate. (pfaf.org)
  • Important Info : Helianthus x laetiflorus is a hybrid between H. pauciflorus x H. tuberosus. (backyardgardener.com)
  • Except for three South American species, the species of Helianthus are native to North America and Central America. (wikipedia.org)
  • Several perennial Helianthus species are grown in gardens, but have a tendency to spread rapidly and can become aggressive. (wikipedia.org)
  • Helianthus species are used as food plants by the larvae of many lepidopterans. (wikipedia.org)
  • Helianthus specimens can be difficult to assign to species, especially since hybridization sometimes occurrs, including backcrossing between wild and cultivated individuals. (swbiodiversity.org)
  • Methods: We used a target enrichment approach across 37 diploid Helianthus species/subspecies with a total of 103 accessions. (datadryad.org)
  • This file contains the aligned 96789bp chloroplast sequences from 103 accessions across 37 diploid Helianthus species/subspecies and the outgroup Phoebanthus tenuifolius. (datadryad.org)
  • This is the file that contains the branch lengths as estimated with RAxML and using the MP-EST topology for the diploid Helianthus species. (datadryad.org)
  • This file contains the population level tree with branch lengths estimated by RAxML with the fixed MP-EST topology for the diploid Helianthus species. (datadryad.org)
  • This is the zip folder containing the fasta files for 170 genes across 103 diploid Helianthus species. (datadryad.org)
  • Helianthus jaegeri Heiser, Helianthus lenticularis Douglas ex Lindl. (swbiodiversity.org)
  • BASIONYM: Helianthus lenticularis Douglas ex Lindley 1829. (usf.edu)
  • The photographer's identification Helianthus gracilentus has not been reviewed. (berkeley.edu)
  • BASIONYM: Helianthus jaegeri Heiser 1948. (usf.edu)
  • BASIONYM: Helianthus aridus Rydberg 1905. (usf.edu)
  • BASIONYM: Helianthus macrocarpus de Candolle 1840. (usf.edu)
  • 37. Helianthus angustifolius Linnaeus, Sp. (efloras.org)
  • Helianthus petiolaris is adventive beyond western North America. (asu.edu)
  • More than 130 new and existing Helianthus cultivars have been raised in trial rows, containers and display beds in a wide variety of flower colours, forms and sizes. (seedaholic.com)
  • These plots show the elevations and times of year where the plant Helianthus radula has been observed. (wildflowersearch.org)
  • Historically, this has led to controversy on whether or not Helianthus is heliotropic, as many scientists have failed to observe movement when studying plants that have already bloomed. (wikipedia.org)
  • Grow at 15-18 °C. Cultivate flowering plants not below 12 °C. Helianthus plants do not tolerate frost. (benary.com)
  • The Sunrich series has superb quality, one of many features that help keep its leading status in the world Helianthus market. (takii.com)
  • Sunrich Orange DMR is the first downy mildew highly-resistant ornamental Helianthus variety. (takii.com)
  • On the other hand, the whorled sunflower, Helianthus verticillatus, was listed as an endangered species in 2014 when the U.S. Fish and Wildlife Service issued a final rule protecting it under the Endangered Species Act. (wikipedia.org)
  • Sawtooth Sunflower, Helianthus grosseserratus , grows up to 12 feet, but in dense colonies, it may only reach 5 feet. (prairiemoon.com)
  • Sunflower (Helianthus spp. (northernbushcraft.com)
  • Helianthus serotinus Tausch, Flora 11: 504. (usf.edu)
  • Several perennial Helianthus species are grown in gardens, but have a tendency to spread rapidly and can become aggressive. (wikipedia.org)
  • Helianthus niveus is a taprooted annual or perennial sunflower growing to a maximum height over 1 m (40 in). (wikipedia.org)
  • Helianthus giganteus is a PERENNIAL growing to 3.6 m (11ft 10in) at a fast rate. (pfaf.org)
  • The perennial helianthus range from tall, back of the border plants to short front border specimens that really light up the fall garden. (plantdelights.com)
  • Try perennial Helianthus with purple muhly grass and you'll create a Kodak moment. (plantdelights.com)
  • When you're ready to buy a helianthus for your perennial garden, check out our online list of helianthus for sale. (plantdelights.com)
  • subtuberosus Britton is a synonym of Helianthus giganteus L. (pfaf.org)
  • Helianthus giganteus - L. (pfaf.org)
  • Note: Helianthus giganteus var. (pfaf.org)
  • Hello I was wondering if there are good identifying characteristics that differentiate Helianthus giganteus, maximiliani, and grosseserratus? (prairiemoon.com)
  • These plots show the elevations and times of year where the plant Helianthus maximiliani has been observed. (wildflowersearch.org)
  • Historically, this has led to controversy on whether or not Helianthus is heliotropic, as many scientists have failed to observe movement when studying plants that have already bloomed. (wikipedia.org)
  • By the time they are mature and reach anthesis, Helianthus generally stop moving and remain facing east, which lets them be warmed by the rising sun. (wikipedia.org)
  • Helianthus are widespread natives to North and South America (including North Carolina) that are primarily summer and fall-flowering perennials (or annuals). (plantdelights.com)
  • the roots of Helianthus tuberosum (Jerusalem artichoke) are edible. (nih.gov)
  • Helianthus flowers positively glow when the setting autumn sun shines through them. (plantdelights.com)
  • Before blooming, Helianthus plant heads tilt during the day to face the Sun. This movement is referred to as heliotropism, which continues for a short time when flower buds form and young Helianthus heads track the Sun. At night, the flower heads reorient their position and face East in anticipation for the sunrise. (wikipedia.org)
  • This completely new model is the evolutionary continuation of the well-known Helianthus model, as it was developed and developed on the Bulgarian sunflower fields. (inovex.bg)
  • I believe it is a winner and I do think it could very well replace all other helianthus of this type on the market. (plantsnouveau.com)