Helianthus annuus

L. (1753)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Eudicot-Asterids Order: Asterales Family: Asteraceae Genus: Helianthus

sunflower

img

Description

Key Characters:

Growth Form:

Stems:

Roots: Roots a tap root.

Leaves: Leaves simple. Alternate or opposite. Blades cordate or ovate Base cordate, cuneate (wedge-shaped), or subcordate. Margins serrate/dentate or subentire.

Flowers:

Fruit:

Ploidy:

Habitat:

Elevation Range:

Historical Distribution

Synonyms (53)

Uses and Culture

USES

Natural History

Statewide Status

Naturalized

Island Status

Maui Naturalized
Hawai'i Naturalized

Dispersal Agents

Water/Ocean
Birds
Other Animals

Pollinators

Specimens

Bibliography

Name Published In: Sp. Pl.: 904 (1753)

Other References

Wagner et al. 1990:322 (H); Staples & Herbst 2005:150 (KEY), 161 (DESCR)

Occurrences

SNo. Scientific Name Scientific Name Authorship Locality Habitat Basis of Record Recorded By Record Number Island Source Date
1 Helianthus annuus L. pohakuloa PRESERVED_SPECIMEN f. r. fosberg 42165 Hawaii US 9/11/1961
2 Helianthus annuus L. Pohakuloa Occasional in open woodland of Sophora, Myoporum, and Chenopodium. PRESERVED_SPECIMEN Fosberg, F.R. 42165 Hawaii BISH 9/11/1961
3 Helianthus annuus L. Lihue. Commercial seed purchased at Wal-Mart. Cultivated. PRESERVED_SPECIMEN Tim Flynn s.n. Kauai PTBG 1/1/2003
4 Helianthus annuus L. Pohakuloa. Open woodland. PRESERVED_SPECIMEN F. R. Fosberg 42165 Hawaii PTBG 9/1/2011
5 Helianthus annuus L. Mauna Loa PRESERVED_SPECIMEN Uehara, S. s.n. Hawaii BISH 8/1/1963
6 Helianthus annuus L. mauna loa PRESERVED_SPECIMEN uehara, s. collector number: s.n. Hawaii BISH 8/8/1963
7 Helianthus annuus L. Pohakuloa PRESERVED_SPECIMEN Fosberg, F. R. 42165 Hawaii US 9/11/1961
8 Helianthus annuus L. hawaii PRESERVED_SPECIMEN adee, k.t. collector number: s.n. Hawaii BISH 5/25/1978
9 Helianthus annuus L. pohakuloa Occasional in open woodland of Sophora, Myoporum, and Chenopodium. PRESERVED_SPECIMEN fosberg, f.r. collector number: 42165 Hawaii BISH 9/11/1961
10 Helianthus annuus L. Hawaii PRESERVED_SPECIMEN Adee, K.T. s.n. Hawaii BISH 5/25/1978