Biology:Zinnia peruviana

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Short description: Species of flowering plant in the daisy family

Peruvian zinnia
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Zinnia
Species:
Z. peruviana
Binomial name
Zinnia peruviana
(L.) L.
Synonyms[1]

Zinnia peruviana, the Peruvian zinnia, is an annual flowering plant in the family Asteraceae. It is native to South America.

Description

Zinnia peruviana is an annual plant up to Template:Convert abbreviated tall, rarely Template:Convert abbreviated tall.[2][3] The stems are green, but later become yellow or purple.[3] The leaves are ovate, elliptic or lanceolate, 2.5–7 cm long and 8–3.5 cm wide; 3- to 5-nerved.[2][3] The peduncles are 1–7 cm long.[2][3] Flower heads with 6–21 red, maroon or yellow ray florets (with a 0.8–2.5 cm long petal each) surrounding 12–50 yellow disc florets (with 0.1 cm long corolla lobes).[2][3] Fruits (cypselae) oblanceolate to narrowly elliptic, 0.7–1 cm long, 3-angled or compressed, striate.[2][3]

Close-up of flower head

Distribution and habitat

The native range of Z. peruviana spans from southeastern Arizona and the Greater Antilles south to Argentina.[2][3] It grows mostly on open areas or rocky slopes between Template:Convert abbreviated of elevation.[3][4]

It has been introduced to and naturalized in many places such as China, Pakistan, India, Bangladesh, Australia, South Africa and Hawaii.[5][6][7][8][9]

References

Wikidata ☰ Q8072438 entry