Verbesina virginica

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Verbesina virginica
Verbesina virginica.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Verbesina
Species:
V. virginica
Binomial name
Verbesina virginica
L.

Verbesina virginica, known by the common names white crownbeard, [1] or frostweed [2] is a species of flowering plant in the family Asteraceae. It is native to the Southeastern United States, where it is found in calcareous soil, often in bottomland thickets and edges of woods. [3]

It is a tall perennial species. It produces heads of white flowers in late summer through fall. The name "frostweed" refers to its tendency to exude water from the base of its stems that then freeze and create ribbon like ice structures during wintertime.

Description

V. virginica grows to 2.1 metres (6.9 ft) tall with winged stalks and alternate, oval or lanceolate leaves. The leaves are up to 18 centimetres (7.1 in) long and 5.1 centimetres (2 in) wide and slightly toothed. Flower heads consist of multiple flowers arranged in a cluster, or corymb, at the terminal end of the stems. [4] Each flower head actually consists of 1 to 5 ray florets and 8 to 15 disk florets. [5]

Frostweed with a frost flower Verbesina virginica frost flower.jpg
Frostweed with a frost flower

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References

  1. USDA, NRCS (n.d.). "Verbesina virginica". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 29 July 2015.
  2. "Lady Bird Johnson Wildflower Center - The University of Texas at Austin". www.wildflower.org.
  3. Verbesina virginica in Flora of North America
  4. "Know Your Natives – Frostweeds "Bloom" Frost Flowers". Arkansas Native Plant Society. 26 November 2013.
  5. "US Wildflower - White Crownbeard, Frostweed, Iceplant, Virginia crownbeard - Verbesina virginica". USWildflowers.com.