Zinnia_peruviana

<i>Zinnia peruviana</i>

Zinnia peruviana

Species of flowering plant in the daisy family Asteraceae

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

Quick Facts Peruvian zinnia, Scientific classification ...

Description

Zinnia peruviana is an annual plant up to 50 cm tall (rarely 100 cm 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 800–3000 m 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

  1. [1]
    The Plant List, Zinnia peruviana (L.) L.
  2. [2]
    "Zinnia peruviana in Flora of North America @ efloras.org". www.efloras.org. Retrieved 2017-10-11.
  3. [3]
    Torres, Andrew M. (1963). "Taxonomy of Zinnia". Brittonia. 15 (1): 1–25. doi:10.2307/2805035. ISSN 0007-196X. JSTOR 2805035. S2CID 5342830.
  4. [4]
    Nash, Dorothy; Williams, Louis (1976). "Flora of Guatemala". Fieldiana. v.24:pt.12: 359–360.
  5. [5]
    "Zinnia peruviana - Plants of Hawaii - Starr Environmental". www.starrenvironmental.com. Retrieved 2017-10-11.
  6. [6]
    "Zinnia peruviana | Atlas of Living Australia". bie.ala.org.au. Retrieved 2017-10-11.
  7. [7]
    Germishuizen, G.; Meyer, N. (2003). Plants of southern Africa : an annotated checklist. Pretoria: National Botanical Institute. p. 310. ISBN 1919795995. OCLC 54957425.
  8. [8]
    "Zinnia peruviana in Flora of China @ efloras.org". www.efloras.org. Retrieved 2017-10-11.
  9. [9]
    Sud, Gunjan (2016). "Zinnia peruviana L. (Asteraceae) an overlooked Species from Himachal Pradesh". Indian Forester. 142 (8): 795–796. ISSN 2321-094X.
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