Matches in DBpedia 2015-10 for { <http://dbpedia.org/resource/Helianthus> ?p ?o }
- Helianthus abstract "Helianthus or sunflowers (from the Greek: ήλιος, Hēlios, "sun" and ανθός, anthos, "flower") L. /ˌhiːliˈænθəs/ is a genus of plants comprising about 70 species in the family Asteraceae, all of which are native to North America except three species in South America. The common name, "sunflower," also applies to the popular annual species Helianthus annuus, the common sunflower. This and other species, notably Jerusalem artichoke (H. tuberosus), are cultivated in temperate regions as food crops and ornamental plants.The genus is one of many in the Asteraceae that are known as sunflowers. It is distinguished technically by the fact that the ray flowers, when present, are sterile, and by the presence on the disk flowers of a pappus that is of two awn-like scales that are caducous (that is, easily detached and falling at maturity). Some species also have additional shorter scales in the pappus, and there is one species that lacks a pappus entirely. Another technical feature that distinguishes the genus more reliably, but requires a microscope to see, is the presence of a prominent, multicellular appendage at the apex of the style. Sunflowers are especially well known for their symmetry based on Fibonacci numbers and the Golden angle.There is quite a bit of variability among the perennial species that make up the bulk of the species in the genus. Some have most or all of the large leaves in a rosette at the base of the plant and produce a flowering stem that has leaves that are reduced in size. Most of the perennials have disk flowers that are entirely yellow, but a few have disk flowers with reddish lobes. One species, H. radula, lacks ray flowers altogether.The domesticated sunflower, H. annuus, is the most familiar species. Perennial sunflower species are not as popular for gardens due to their tendency to spread rapidly and become invasive. Whorled sunflowers, H. verticillatus, were 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. The primary threats are industrial forestry and pine plantations in Alabama, Georgia, and Tennessee. They grow to six feet tall and are primarily found in woodlands, adjacent to creeks and moist, prairie-like areas.".
- Helianthus class Eudicots.
- Helianthus division Flowering_plant.
- Helianthus family Asteraceae.
- Helianthus kingdom Plant.
- Helianthus order Asterales.
- Helianthus synonym "Harpalium (Cass.) Cass.)".
- Helianthus thumbnail A_sunflower.jpg?width=300.
- Helianthus wikiPageExternalLink florataxon.aspx?flora_id=1&taxon_id=114871.
- Helianthus wikiPageID "851640".
- Helianthus wikiPageLength "17039".
- Helianthus wikiPageOutDegree "316".
- Helianthus wikiPageRevisionID "683361511".
- Helianthus wikiPageWikiLink Alabama.
- Helianthus wikiPageWikiLink Annual_plant.
- Helianthus wikiPageWikiLink Arizona.
- Helianthus wikiPageWikiLink Arkansas.
- Helianthus wikiPageWikiLink Asteraceae.
- Helianthus wikiPageWikiLink Asterales.
- Helianthus wikiPageWikiLink Baja_California.
- Helianthus wikiPageWikiLink Baja_California_(state).
- Helianthus wikiPageWikiLink Baja_California_Sur.
- Helianthus wikiPageWikiLink California.
- Helianthus wikiPageWikiLink Carl_Linnaeus.
- Helianthus wikiPageWikiLink Carolus_Linnaeus.
- Helianthus wikiPageWikiLink Category:Asteraceae_genera.
- Helianthus wikiPageWikiLink Category:Crops.
- Helianthus wikiPageWikiLink Category:Flora_of_North_America.
- Helianthus wikiPageWikiLink Category:Helianthus.
- Helianthus wikiPageWikiLink Chihuahua_(state).
- Helianthus wikiPageWikiLink Chile.
- Helianthus wikiPageWikiLink Coahuila.
- Helianthus wikiPageWikiLink Colorado.
- Helianthus wikiPageWikiLink Connecticut.
- Helianthus wikiPageWikiLink Endangered_Species_Act.
- Helianthus wikiPageWikiLink Eudicots.
- Helianthus wikiPageWikiLink Fibonacci_number.
- Helianthus wikiPageWikiLink Fibonacci_numbers.
- Helianthus wikiPageWikiLink Florida.
- Helianthus wikiPageWikiLink Flourensia_thurifera.
- Helianthus wikiPageWikiLink Flowering_plant.
- Helianthus wikiPageWikiLink French_Guiana.
- Helianthus wikiPageWikiLink Genus.
- Helianthus wikiPageWikiLink Georgia_(U.S._state).
- Helianthus wikiPageWikiLink Golden_angle.
- Helianthus wikiPageWikiLink Great_Lakes.
- Helianthus wikiPageWikiLink Great_Plains.
- Helianthus wikiPageWikiLink Helianthella_quinquenervis.
- Helianthus wikiPageWikiLink Helianthella_uniflora.
- Helianthus wikiPageWikiLink Helianthus_agrestis.
- Helianthus wikiPageWikiLink Helianthus_ambiguus.
- Helianthus wikiPageWikiLink Helianthus_angustifolius.
- Helianthus wikiPageWikiLink Helianthus_annuus.
- Helianthus wikiPageWikiLink Helianthus_anomalus.
- Helianthus wikiPageWikiLink Helianthus_argophyllus.
- Helianthus wikiPageWikiLink Helianthus_arizonensis.
- Helianthus wikiPageWikiLink Helianthus_atrorubens.
- Helianthus wikiPageWikiLink Helianthus_bolanderi.
- Helianthus wikiPageWikiLink Helianthus_californicus.
- Helianthus wikiPageWikiLink Helianthus_carnosus.
- Helianthus wikiPageWikiLink Helianthus_ciliaris.
- Helianthus wikiPageWikiLink Helianthus_cinereus.
- Helianthus wikiPageWikiLink Helianthus_coloradensis.
- Helianthus wikiPageWikiLink Helianthus_cusickii.
- Helianthus wikiPageWikiLink Helianthus_debilis.
- Helianthus wikiPageWikiLink Helianthus_decapetalus.
- Helianthus wikiPageWikiLink Helianthus_deserticola.
- Helianthus wikiPageWikiLink Helianthus_diffusus.
- Helianthus wikiPageWikiLink Helianthus_dissectifolius.
- Helianthus wikiPageWikiLink Helianthus_divaricatus.
- Helianthus wikiPageWikiLink Helianthus_eggertii.
- Helianthus wikiPageWikiLink Helianthus_exilis.
- Helianthus wikiPageWikiLink Helianthus_floridanus.
- Helianthus wikiPageWikiLink Helianthus_giganteus.
- Helianthus wikiPageWikiLink Helianthus_glaucophyllus.
- Helianthus wikiPageWikiLink Helianthus_gracilentus.
- Helianthus wikiPageWikiLink Helianthus_grosseserratus.
- Helianthus wikiPageWikiLink Helianthus_heterophyllus.
- Helianthus wikiPageWikiLink Helianthus_hirsutus.
- Helianthus wikiPageWikiLink Helianthus_laciniatus.
- Helianthus wikiPageWikiLink Helianthus_laevigatus.
- Helianthus wikiPageWikiLink Helianthus_lenticularis.
- Helianthus wikiPageWikiLink Helianthus_longifolius.
- Helianthus wikiPageWikiLink Helianthus_maximiliani.
- Helianthus wikiPageWikiLink Helianthus_membranifolius.
- Helianthus wikiPageWikiLink Helianthus_mollis.
- Helianthus wikiPageWikiLink Helianthus_multiflorus.
- Helianthus wikiPageWikiLink Helianthus_navarri.
- Helianthus wikiPageWikiLink Helianthus_neglectus.
- Helianthus wikiPageWikiLink Helianthus_niveus.
- Helianthus wikiPageWikiLink Helianthus_nuttallii.
- Helianthus wikiPageWikiLink Helianthus_occidentalis.
- Helianthus wikiPageWikiLink Helianthus_paradoxus.
- Helianthus wikiPageWikiLink Helianthus_pauciflorus.
- Helianthus wikiPageWikiLink Helianthus_petiolaris.
- Helianthus wikiPageWikiLink Helianthus_porteri.
- Helianthus wikiPageWikiLink Helianthus_praecox.
- Helianthus wikiPageWikiLink Helianthus_praetermissus.
- Helianthus wikiPageWikiLink Helianthus_pumilus.
- Helianthus wikiPageWikiLink Helianthus_radula.