Petunia axillaris

Petunia axillaris, the large white petunia,[1] wild white petunia or white moon petunia,[2] is an annual herbaceous plant in the family Solanaceae, genus Petunia.[3] It is native to temperate South America. The plant's flowers, the only white ones found in the Petunia genus, are 3 to 7 cm long.[4] The commonly-grown garden petunia is a hybrid of P. axillaris and P. integrifolia.[5]

Petunia axillaris
P1000491 Petunia axillaris (Solanaceae) Flower.JPG
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Solanales
Family: Solanaceae
Genus: Petunia
P. axillaris
Binomial name
Petunia axillaris
(Lam.) Britton, Stern & Poggenb.

Nicotiana axillaris Lam.
Petunia nyctaginiflora Jussieu
Petunia parodii Steere


P. axillaris has three subspecies: P. a. axillaris, P. a. parodii, and P. a. subandina. P. a. axillaris and P. a. parodii are found in the flat parts of the Pampas, while P. a. subandina is found in the highlands near the Andes.[4]


  1. ^ USDA, NRCS (n.d.). "Petunia axillaris". The PLANTS Database ( Greensboro, North Carolina: National Plant Data Team. Retrieved 23 September 2015.
  2. ^ "Sol Genomics Network". Retrieved 22 September 2018.
  3. ^ Kokubun H, Nakano M, Tsukamoto T, Watanabe H, Hashimoto G, Marchesi E, Bullrich L, Basualdo IL, Kao T, Ando T (September 2006). "Distribution of self-compatible and self-incompatible populations of Petunia axillaris (Solanaceae) outside Uruguay". Journal of Plant Research. 119 (5): 419–30. doi:10.1007/s10265-006-0002-y. PMID 16915365. S2CID 21122112.
  4. ^ a b Turchetto C, Fagundes NJ, Segatto AL, Kuhlemeier C, Solís Neffa G, Speranza PR, Bonatto SL, Freitas LB (February 2014). "Diversification in the South American Pampas: the genetic and morphological variation of the widespread Petunia axillaris complex (Solanaceae)". Molecular Ecology. 23 (2): 374–89. doi:10.1111/mec.12632. PMID 24372681. S2CID 13847331.
  5. ^ USDA, Agricultural Research Service, National Plant Germplasm System. "Petunia x atkinsiana". US National Plant Germplasm System.{{cite web}}: CS1 maint: multiple names: authors list (link)