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Tithonia rotundifolia

(Mill.) S.F.Blake (1917)

This name is accepted

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

Mexican sunflower

Description

Key Characters:

Growth Form:

Stems:

Roots:

Leaves: Leaves simple. Alternate or rarely spiralled. Base attenuate. Margins crenate, denticulate, or palmately lobed.

Flowers:

Fruit:

Ploidy:

Habitat:

Elevation Range:

Historical Distribution

Uses and Culture

USES

Natural History

Statewide Status

Naturalized

Island Status

O'ahu Only found in cultivation
Hawai'i Naturalized

Dispersal Agents

Water/Ocean
Other Animals

Pollinators

Specimens

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Bibliography

Name Published In: Contr. Gray Herb. 52: 41 (1917)

Other References

Staples & Herbst 2005:171 (DESCR); Parker & Parsons 2016:18 (NEWNAT/H, DESCR)

Occurrences

SNo. Scientific Name Scientific Name Authorship Locality Habitat Basis of Record Recorded By Record Number Island Source Date
1 Tithonia rotundifolia (Mill.) S.F.Blake Honolulu; Foster Botanic Garden In full sun in a planting box. PRESERVED_SPECIMEN Lau, J. 1479 Oahu BISH 10/1/1985
2 Tithonia rotundifolia (Mill.) S.F.Blake Honolulu; Manoa Valley; residence of C. D. Miller PRESERVED_SPECIMEN Neal, M.C. s.n. Oahu BISH 10/6/1930
3 Tithonia rotundifolia (Mill.) S.F.Blake Donkey Mill Road, North Kona. Associates: Metrosideros polymorpha, Schinus terebinthifolius, Dioscorea bulbifera, Monstera deliciosa, Momordica charantia. PRESERVED_SPECIMEN Parker, J. BIED 180 Hawaii BISH 10/6/2014
4 Tithonia rotundifolia (Mill.) S.F.Blake honolulu; manoa valley; residence of c. d. miller PRESERVED_SPECIMEN neal, m.c. collector number: s.n. Kauai BISH 10/6/1930
5 Tithonia rotundifolia (Mill.) S.F.Blake honolulu; foster botanic garden In full sun in a planting box. PRESERVED_SPECIMEN lau, j. collector number: 1479 Oahu BISH 10/1/1985
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