Zea mays ssp. mays

Family (Traditional)Poaceae
Species: Zea mays
Infraspecies:Zea mays L. ssp. mays
Common NameCorn; Maize
Growth Habitgraminoid
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Duration: Annual; General Ecology: Terrestrial; Growth Habit: graminoid; Region of Origin: North America; Reproductive Phenology: May; Reproductive Phenology: June; Reproductive Phenology: July; Reproductive Phenology: August; Reproductive Phenology: September; Leaf Arrangement: alternate; Leaf Arrangement: basal; Leaf Complexity: simple; Leaf Dissection: 0; Leaf Persistance: Deciduous; Leaf Petiole Type: sessile; Leaf Type: grass-like; Leaf Venation: parallel; Leaflet Margins: entire; Leaflet Number: 0; Base Flower Color: Brown (incl. Maroon); Base Flower Color: Green; Fruit Dehiscence: No; Fruit Type: Caryopsis; Fruit Type: Grain; Fruit Wet/Dry: Dry; Hypanthium Present: No; Ovary Position: Superior; Overall Flower Symmetry: N/A; Perianth Present: No; Placentation Type: Parietal; Placentation Type: Basal; Sexuality: monoclinous; Sporangium Arrangement: N/A
C value N/A
StatusNot Native; TN[SNA] KY[SNA] (State Rank); GNRTUTXC (Global Rank)

** Not applicable or data not available.

Species Distribution Map

This species has been reported in the counties highlighted in the interactive distribution map below. Click on a county to display the its name. Click the question mark icon () to view additional information about the ecoregions shown. In the map legend, there are links to toggle the visibility of the ecoregions and/or their labels. In addition, clicking on an ecoregion name will highlight that region on the map.

  • State Boundaries
  • Counties
  • Counties - Species Present
  • Southeastern Plains
    • Blackland Prarie
  • Blue Ridge Mountains
  • Ridge and Valley
  • Cumberland Plateau
  • Cumberland Mountains
  • Allegheny Plateau
  • Interior Plateau
    • Bluegrass Region
    • Nashville Basin
    • Pennyroyal Karst Plain
    • Western Highland Rim
    • Eastern Highland Rim


SynonymFull Citation
Zea alba Zea alba Mill.
Zea altissima Zea altissima C.C. Gmel. ex Steud.
Zea americana Zea americana Mill.
Zea amylacea Zea amylacea Sturtev.
Zea cryptosperma Zea cryptosperma Bonaf.
Zea erythrolepis Zea erythrolepis Bonaf.
Zea everta Zea everta Sturtev.
Zea gigantea Zea gigantea (Bonaf.) hort. ex Vilm.
Zea glumacea Zea glumacea Larrañaga
Zea gracillima Zea gracillima (Körn. ex Hitchc.) hort. ex Vilmorin
Zea hirta Zea hirta Bonaf.
Zea indentata Zea indentata Sturtev.
Zea indurata Zea indurata Sturtev.
Zea japonica Zea japonica Van Houtte
Zea japonica var. vittata Zea japonica var. vittata hort. in Bailey
Zea macrosperma Zea macrosperma Klotzsch
Zea mais Zea mais Anonymous
Zea mais var. hirta Zea mais var. hirta (Bonaf.) Alef.
Zea mays f. hanakibi Zea mays f. hanakibi Makino
Zea mays f. variegata Zea mays f. variegata (G. Nicholson) Beetle
Zea mays subsp. amylacea Zea mays subsp. amylacea (Sturtev.) Zhuk.
Zea mays subsp. ceratina Zea mays subsp. ceratina (Kuelshov) Zhuk.
Zea mays subsp. indentata Zea mays subsp. indentata (Sturtev.) Zhuk.
Zea mays subsp. indurata Zea mays subsp. indurata (Sturtev.) Zhuk.
Zea mays subsp. sacharata Zea mays subsp. sacharata (Sturtev.) Zhuk.
Zea mays subsp. semidentata Zea mays subsp. semidentata Kuleshov
Zea mays subsp. tunicata Zea mays subsp. tunicata Sturtev.
Zea mays var. everta Zea mays var. everta (Sturtev.) L.H. Bailey
Zea mays var. gracillima Zea mays var. gracillima Körn. ex Hitchc.
Zea mays var. indentata Zea mays var. indentata (Sturtev.) L.H. Bailey
Zea mays var. indurata Zea mays var. indurata (Sturtev.) L.H. Bailey
Zea mays var. multicoloramylacea Zea mays var. multicoloramylacea Yarchuk
Zea mays var. oryzaea Zea mays var. oryzaea Kuleshov
Zea mays var. pennsylvanica Zea mays var. pennsylvanica Bonaf.
Zea mays var. precox Zea mays var. precox Torr.
Zea mays var. rugosa Zea mays var. rugosa Bonaf.
Zea mays var. saccharata Zea mays var. saccharata (Sturtev.) L.H. Bailey
Zea mays var. striatiamylacea Zea mays var. striatiamylacea Leizerson
Zea mays var. subnigroviolacea Zea mays var. subnigroviolacea Yarchuk
Zea mays var. variegata Zea mays var. variegata G. Nicholson
Zea mays var. virginica Zea mays var. virginica Bonaf.
Zea minima Zea minima (Körn. ex Hitchc.) hort. ex Vilmorin
Zea odontosperma Zea odontosperma Ten.
Zea rostrata Zea rostrata Bonaf.
Zea saccharata Zea saccharata Sturtev.
Zea segetalis Zea segetalis Salisb.
Zea tunicata Zea tunicata (Larrañaga ex A. St.-Hil.) Sturtev.
Zea vittata Zea vittata hort. ex Vilmorin
Zea vulgaris Zea vulgaris Mill.

Specimens and Distribution

No specimens exist for this species.

Plant Photos

Zea mays ssp. mays - Dwayne Estes
Zea mays ssp. mays - Dwayne Estes