Zeltnera arizonica, Arizona Centaury
(= Centaurium arizonicum)
Scientific Name: Zeltnera arizonica, Centaurium arizonica
Common Name: Arizona Centaury
Family: Gentianaceae, Gentian Family
Synonyms: (Centaurium arizonicum, Centaurium calycosum var. arizonicum)
Duration:Annual or biennial.
Size: Up to 20 inches more or less.
Growth Form: Forb/herb;
Leaves: Green; basal, width of the leaves variable, oblanceolate or lanceolate.
Flower Color: Purple or rose-purple; corolla lobes variable, pedicels about 1 ½ inches.
Flowering Season: March to November and April to May in California.
Elevation: 150 to 6,000 feet.
Habitat Preferences: Along streams and moist areas.
Recorded Range: Arizona Centaury is found throughout the southwest United States in AZ, CA, NM, NV, TX, UT and possibly CO. Arizona Centaury is found throughout most of Arizona and in small populations in other states to which it is native.
U.S. Weed Information: No information available.
Invasive/Noxious Weed Information: No information available.
Wetland Indicator: No information available.
Threatened/Endangered Information: Extirpated in California. According to Jepson eFlora: Taxon page, for Zeltnera arizonica, in California there are no records for this species more recent than ± 1955.
Genus Information: The genus Zeltnera is not yet recognized by the U.S.D.A. Natural Resources Conservation Service which uses the genus Centaurium. The U.S.D.A. Natural Resources Conservation Service lists 21 species in Centaurium throughout most of the United States and western and eastern Canada in British Columbia, Ontario and Quebec. There are 3 species in Centaurium listed for Arizona.
World-wide, The Plant List includes 31 accepted species names for the genus Centaurium and 23 accepted species names for the genus Zeltnera.
Comments: According to Jepson eFlora: Taxon page, for Zeltnera arizonica, in California there are no records for this species more recent than ± 1955.