Boechera missouriensis

Boechera missouriensis, commonly called Missouri rockcress,[1][2] is a species of flowering plant in the mustard family (Brassicaceae). It is native to the eastern United States, where it has a highly fragmented range localized in the Northeast, the Upper Midwest, the Interior Highlands, and the Southeast.[3][4] Its natural habitat is typically on rocky or sandy woodlands and bluffs, in areas of acidic soil.[5][2] It is generally uncommon throughout most of its range, with exception for the Interior Highlands region.[6]

Boechera missouriensis
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Brassicales
Family: Brassicaceae
Genus: Boechera
Species:
B. missouriensis
Binomial name
Boechera missouriensis
Synonyms
  • Arabis missouriensis
  • Borodinia missouriensis

Boechera missouriensis is an erect biennial. It produces racemes of small creamy-white flowers in the spring.[7][5] It bears a resemblance to more widespread Boechera laevigata, from which Boechera missouriensis can be distinguished by the following characters: Stem leaves dense, erect, and overlapping, basal leaves persistent and pinnately lobed, petals about twice as long as sepals, and stems often red-tinged.[5][1]

References
  1. Alan Weakley (2015). "Flora of the Southern and Mid-Atlantic States".
  2. Missouri Rock-cress (Boechera missouriensis) Wisconsin Department of Natural Resources
  3. Boechera missouriensis MissouriPlants
  4. "Borodinia missouriensis". County-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014. Retrieved 6 December 2019.
  5. Yatskievych, George (2006). Flora of Missouri, Volume 2. Missouri Botanical Garden Press. p. 669.
  6. Arabis missouriensis NatureServe
  7. Boechera missouriensis Flora of North America
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