SimplePlant

Brassicaceae

Smooth jewelflower

Streptanthus hyacinthoides Hook.

Family
Brassicaceae
Genus
Streptanthus

Pet and kid safety: not checked yet. Check pet-safe plants

Smooth jewelflower: Species from Texas, Arkansas, Louisiana, Oklahoma, Nebraska Common name: Sandhill twistflower Photographed at Miller County Sandhills Natural Area, Miller Count
Photo: Eric Hunt, CC BY-SA 4.0, from Wikimedia Commons

Is yours looking unwell? Scan your plant — free

Common names

By language (1)
English
Smooth jewelflower

Synonyms

  • Erysimum hyacinthoides (Hook.) Kuntze
  • Euklisia hyacinthoides (Hook.) Small
  • Icianthus atratus Greene
  • Icianthus glabrifolius Greene
  • Icianthus hyacinthoides (Hook.) Greene
  • Streptanthus glabrifolius Buckley

Characteristics

Growth habit
Forb/herb
Lifespan
Annual
In the US and Canada
Lower 48 states: native

Photos

More in Streptanthus

Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.