Zinnia peruviana

(Linnaeus) Linnaeus

Syst. Nat. ed. 10, 2: 1221. 1759.

Common names: Peruvian zinnia
Basionym: Chrysogonum peruvianum Linnaeus Sp. Pl. 2: 920. 1753
Synonyms: Zinnia multiflora Linnaeus
Treatment appears in FNA Volume 21. Treatment on page 73. Mentioned on page 72, 74.

Annuals, mostly 30–50(–100) cm. Stems greenish, becoming purplish or yellowish, unbranched or sparingly branched distal to bases, strigose. Leaf blades 3–5-nerved, ovate to elliptic or broadly lanceolate, 25–70 × 8–35 mm, scabrellous. Peduncles 10–50(–70) mm. Involucres narrowly to broadly campanulate, 9–18 × 10–20 mm. Phyllaries obovate to oblong, becoming scarious, glabrous, apices rounded, usually entire or erose, sometimes ciliate. Paleae red to purple or yellow, apices obtuse, erose or subentire. Ray florets 6–15(–21); corollas usually scarlet red or maroon, sometimes yellow, laminae linear to spatulate, 8–25 mm. Disc florets 12–50; corollas yellow, 5–6 mm, lobes ca. 1 mm. Cypselae 7–10 mm, 3-angled (ray) or compressed (disc), ribbed, ciliate; pappi usually of 1 stout awn 4–6 mm (from shoulders of cypselae). 2n = 24.

Phenology: Flowering summer–fall.
Habitat: Rocky roadsides, ravines, calcareous soils
Elevation: 1200–1600 m



Ariz., Fla., Ga., N.C., S.C., Mexico, West Indies (Hispaniola), Central America, South America, introduced in Asia (China), South Africa, Australia.


Zinnia peruviana is presumably native in southern Arizona and reported as naturalized in southeastern United States.

Selected References


Lower Taxa

... more about "Zinnia peruviana"
Alan R. Smith +
(Linnaeus) Linnaeus +
Chrysogonum peruvianum +
Peruvian zinnia +
Ariz. +, Fla. +, Ga. +, N.C. +, S.C. +, Mexico +, West Indies (Hispaniola) +, Central America +, South America +, introduced in Asia (China) +, South Africa +  and Australia. +
1200–1600 m +
Rocky roadsides, ravines, calcareous soils +
Flowering summer–fall. +
Syst. Nat. ed. +
Zinnia multiflora +
Zinnia peruviana +
species +