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Arizona Centaury

Zeltnera calycosa

Also called Buckley's Centaury

Arizona Centaury
Photo: Unknown authorUnknown author, Public domain

Arizona centaury is a small erect annual or biennial wildflower from the gentian family, native to the southwestern US and northern Mexico, where it grows in moist spots in dry country such as riverbanks. It is a wild plant rather than a commonly grown garden or houseplant, so care notes are general.

Family
Gentianaceae (Gentian family)
Grows as
Annual
Light
Full sun
Water
Keep soil consistently moist while establishing, as it grows naturally in damp spots within dry habitat.
Soil
Well-drained soil that stays moist, such as a loam with added organic matter.
Temperature
Hardy in warm climates; protect from hard frost.
How easy
Moderate
Native range
Utah, Missouri to Mexico
Climate
subtropical

About

Zeltnera calycosa is a species of flowering plant in the gentian family known by the common name Arizona centaury. It is native to northern Mexico and the southwestern United States, where it grows in moist places in otherwise dry habitat, such as riverbanks. This is an erect biennial herb growing up to half a meter tall. The widely lance-shaped leaves appear in a basal rosette and along the slender stem, each up to 7 centimeters long. The inflorescence is an open array of flowers on short pedicels. Each flower opens into five pointed lobes, each about a centimeter long and dark rose pink in color.

Other Zeltnera plants

Mountain Pink · Davy's Centaury · Great Basin Centaury · Muhlenberg's centaury · Spring Loving Centaury · Alkali Centaury · Charming Centaury · Centaury

Text excerpted from the Wikipedia article Zeltnera calycosa by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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