Stillingia linearifolia

Stillingia linearifolia
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Malpighiales
Family: Euphorbiaceae
Subfamily: Euphorbioideae
Tribe: Hippomaneae
Subtribe: Hippomaninae
Genus: Stillingia
Species: S. linearifolia
Binomial name
Stillingia linearifolia

Stillingia linearifolia is a species of flowering plant in the euphorb family known by the common name queen's-root.[1]

It is native to the Southwestern United States, Southern California, and Northwestern Mexico, where it occurs in several types of dry and disturbed habitat in deserts, mountains, foothills, and chaparral.[2][3]

Description

Stillingia linearifolia is a perennial herb producing a clump of slender, branching, erect stems approaching 70 centimeters in height. The alternately arranged leaves are linear and narrow, reaching 4 centimeters in length but less than 2 millimeters in width.

The inflorescence is an erect spike of flowers a few centimeters long. The plant is monoecious, and each spike has several male flowers at the tip and a few fruit-bearing female flowers below these. Neither type of flower has petals. The ovary of the female flower develops into a three-lobed greenish capsule 3 to 4 millimeters wide.

There is a tiny black seed in each of the three chambers of the fruit.

See also

  • Flora of the California desert regions
  • Natural history of the California chaparral and woodlands

References

  1. ↑ "Stillingia linearifolia". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 3 December 2015.
  2. ↑ USDA
  3. ↑ Jepson


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