Helianthus angustifolius: taxon details and analytics
- Domain
- Kingdom
- Plantae
- Phylum
- Tracheophyta
- Class
- Magnoliopsida
- Order
- Asterales
- Family
- Asteraceae
- Genus
- Helianthus
- Species
- Helianthus angustifolius
- Scientific Name
- Helianthus angustifolius
Summary description from Wikipedia:
Helianthus angustifolius
Helianthus angustifolius is a species of sunflower known by the common name narrowleaf sunflower or swamp sunflower. It is native to the south-central and eastern United States, found in all the coastal states from Texas to Long Island, and inland as far as Missouri. It is typically found in the coastal plain habitat (both the Atlantic and Gulf), particularly in wet areas. Although, in general, this species prefers low, moist ground, it is tolerant of conditions varying from bogs and swamps near sea level to relatively dry, well drained, gravelly clay. It is not particularly drought resistant.
Helianthus angustifolius is often cultivated for its bright, showy yellow flowers. Leaves are long and narrow, up to 15 centimetres (5.9 in) long. It is a perennial herb sometimes as much as 150 centimetres (59 in) tall. One plant can produce 3-16 flower heads, each with 10-20 ray florets surrounding at least 75 disc florets.
...Helianthus angustifolius in languages:
- English
- narrowleaf sunflower
- English
- Swamp Sunflower
Images from inaturalist.org observations:
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Parent Taxon
Sibling Taxa
- Helianthus agrestis
- Helianthus angustifolius
- Helianthus annuus
- Helianthus anomalus
- Helianthus argophyllus
- Helianthus arizonensis
- Helianthus atrorubens
- Helianthus bolanderi
- Helianthus californicus
- Helianthus carnosus
- Helianthus ciliaris
- Helianthus couplandii
- Helianthus cusickii
- Helianthus debilis
- Helianthus decapetalus
- Helianthus deserticola
- Helianthus devernii
- Helianthus dissectifolius
- Helianthus divaricatus
- Helianthus eggertii
- Helianthus exilis
- Helianthus floridanus
- Helianthus giganteus
- Helianthus glaucophyllus
- Helianthus gracilentus
- Helianthus grosseserratus
- Helianthus heterophyllus
- Helianthus hirsutus
- Helianthus inexpectatus
- Helianthus laciniatus
- Helianthus laevigatus
- Helianthus longifolius
- Helianthus maximiliani
- Helianthus microcephalus
- Helianthus mollis
- Helianthus mollissimus
- Helianthus multiflorus
- Helianthus navarri
- Helianthus neglectus
- Helianthus niveus
- Helianthus nuttallii
- Helianthus occidentalis
- Helianthus paradoxus
- Helianthus pauciflorus
- Helianthus petiolaris
- Helianthus porteri
- Helianthus praecox
- Helianthus praetermissus
- Helianthus pumilus
- Helianthus radula
- Helianthus resinosus
- Helianthus salicifolius
- Helianthus schweinitzii
- Helianthus silphioides
- Helianthus simulans
- Helianthus smithii
- Helianthus speciosus
- Helianthus strumosus
- Helianthus tuberosus
- Helianthus verticillatus
- Helianthus winteri
- Helianthus × alexidis
- Helianthus × ambiguus
- Helianthus × brevifolius
- Helianthus × cinereus
- Helianthus × divariserratus
- Helianthus × doronicoides
- Helianthus × glaucus
- Helianthus × intermedius
- Helianthus × kellermanii
- Helianthus × laetiflorus
- Helianthus × luxurians
- Helianthus × multiflorus
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