''Tagetes elongata'' is a Latin American species of
marigolds in the family
Asteraceae
The family Asteraceae, alternatively Compositae, consists of over 32,000 known species of flowering plants in over 1,900 genera within the order Asterales. Commonly referred to as the aster, daisy, composite, or sunflower family, Compositae w ...
. It has been found in central and southern Mexico from
San Luis Potosí and
Zacatecas
, image_map = Zacatecas in Mexico (location map scheme).svg
, map_caption = State of Zacatecas within Mexico
, coordinates =
, coor_pinpoint =
, coordinates_footnotes =
, subdivision_type ...
south to
Chiapas.
[Strother, J. L. 1999. Compositae–Heliantheae s. l. 5: 1–232. In D.E. Breedlove (ed.) Flora of Chiapas. California Academy of Sciences, San Francisco]
''Tagetes elongata'' is an annual herb up to 60 cm (2 feet) tall. Leaves are pinnately compound with 9-17 toothed leaflets. The plant produces numerous flower head
A pseudanthium (Greek for "false flower"; ) is an inflorescence that resembles a flower. The word is sometimes used for other structures that are neither a true flower nor a true inflorescence. Examples of pseudanthia include flower heads, compos ...
s in flat-topped arrays, yellow, each head containing ray florets
The family Asteraceae, alternatively Compositae, consists of over 32,000 known species of flowering plants in over 1,900 genera within the order Asterales. Commonly referred to as the aster, daisy, composite, or sunflower family, Compositae w ...
surrounding disc floret
The family Asteraceae, alternatively Compositae, consists of over 32,000 known species of flowering plants in over 1,900 genera within the order Asterales. Commonly referred to as the aster, daisy, composite, or sunflower family, Compositae w ...
s.[Rydberg, Per Axel 1913. in Britton, Nathaniel Lord, North American Flora 34: 153-154]
/ref>
References
{{Taxonbar, from=Q15586563
elongata
Endemic flora of Mexico
Plants described in 1803
Taxa named by Carl Ludwig Willdenow