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Streptanthus longisiliquus

G. Clifton & R.E. Buck

Long-fruit Jewelflower

G3Vulnerable Found in 1 roadless area NatureServe Explorer →
G3VulnerableGlobal Rank
Identity
Unique IDELEMENT_GLOBAL.2.806482
Element CodePDBRA2G400
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
Endemicendemic to a single state or province
KingdomPlantae
PhylumAnthophyta
ClassDicotyledoneae
OrderCapparales
FamilyBrassicaceae
GenusStreptanthus
Synonyms
Streptanthus longisiliqusG. Clifton & R. Buck
Concept Reference
Clifton, G.L., and R.E. Buck. 2007. Streptanthus longisiliqus (Brassicaceae) a new species from northeastern California. Madrono 54(1): 94-98.
Conservation Status
Review Date2014-12-08
Change Date2007-09-04
Edition Date2007-09-04
Edition AuthorsTomaino, A.
Range Extent100-5000 square km (about 40-2000 square miles)
Number of Occurrences21 - 80
Rank Reasons
Known from three counties in northeastern California and approximately 35 occurrences. Potential threats are logging and off-road vehicles.
Range Extent Comments
Known from three counties in northeastern California: Butte, Tehama, and Shasta (Clifton and Buck 2007). Its range extends approimately 160 km north-south (Clifton and Buck 2007). The species may also be found in Plumas, Yuba, and Nevada county (Lazar and Bittman 2007).
Occurrences Comments
Approximately 35 occurrences are known (Lazar and Bittman 2007).
Threat Impact Comments
Logging and off-road vehicles are potential threats (Clifton and Buck 2007). Streptanthus longisiliqus is somewhat tolerant of disturbances such as grading and excavating, if they are localized, and may even be favored by them (Clifton and Buck 2007).
Ecology & Habitat

Habitat

Lower montane coniferous forest, often in openings and sometimes in disturbed places (Clifton and Buck 2007).
Terrestrial Habitats
Forest/WoodlandForest - Conifer
Other Nations (1)
United StatesN3
ProvinceRankNative
CaliforniaS3Yes
Plant Characteristics
Economic Value (Genus)No
Roadless Areas (1)
California (1)
AreaForestAcres
Mill CreekLassen National Forest7,587
References (3)
  1. Clifton, G.L., and R.E. Buck. 2007. <i>Streptanthus longisiliqus </i>(Brassicaceae) a new species from northeastern California. Madrono 54(1): 94-98.
  2. Flora of North America Editorial Committee (FNA). 2010. Flora of North America north of Mexico. Vol. 7. Magnoliophyta: Salicaceae to Brassicaceae. Oxford University Press, New York. xxii + 797 pp.
  3. Lazar, K. and R. Bittman. 2007. Rare plant status review: <i>Streptanthus longisiliqus</i>, July 27, 2007<i>.</i> California Native Plant Society and the California Natural Diversity Database.