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Yellow Owl's-Clover (Orthocarpus luteus)

Yellow Owl's-Clover (Orthocarpus Luteus) https://www.sagebud.com/yellow-owls-clover-orthocarpus-luteus
Credit: JW Stockert | http://www.nps.gov/a... | License: PD US Government PD US NPS
ORLU2.jpg

Orthocarpus Luteus, or more commonly know as Yellow Owl's-Clover, is a forb/herb (a forb/herb is a non-woody plant that is not a grass) with green foliage and yellow flowers of the genus Orthocarpus. It has a rapid growth rate and a height of 1.5 feet at maturity. Its duration is annual which means it grows for one season only. It's active growth period is spring and summer, blooms during early summer, is intolerant of shade and is routinely available commercially. Orthocarpus Luteus or Yellow Owl's-Clover's floral region is North America US Lower 48, specifically in the states of Arizona, California, Colorado, Idaho, Minnesota, Montana, North Dakota, Nebraska, New Mexico, Nevada, Oregon, South Dakota, Utah, Washington and Wyoming.

  • Category: Dicot
  • Genus: Orthocarpus
  • Family: Scrophulariaceae
  • Order: Scrophulariales
  • Class: Magnoliopsida
  • Division: Magnoliophyta
  • Duration: Annual
  • Growth Habit: Forb/herb
  • Native Status: L48 (N) CAN (N)
  • National Wetland Indicator Status: FACU- FACU
  • Regional Wetland Indicator Status: 3(FACU) 4(FACU) 5(FACU) 7(FACU-) 8(FACU) 9(FACU-) 0(FACU)
  • Active Growth Period: Spring and Summer
  • After Harvest Regrowth Rate: Slow
  • Allelopath: No
  • Bloat: None
  • C:N Ratio: Medium
  • Coppice Potential: No
  • Fall Conspicuous: No
  • Fire Resistance: No
  • Flower Color: Yellow
  • Flower Conspicuous: Yes
  • Foliage Color: Green
  • Foliage Porosity Summer: Porous
  • Foliage Porosity Winter: Porous
  • Foliage Texture: Coarse
  • Fruit/Seed Color: Brown
  • Fruit/Seed Conspicuous: No
  • Growth Form: Single Crown
  • Growth Rate: Rapid
  • Height Mature (feet): 1.5
  • Leaf Retention: No
  • Lifespan: Short
  • Low Growing Grass: No
  • Resprout Ability: No
  • Shape and Orientation: Erect
  • Toxicity: None
  • Adapted to Coarse Textured Soils: Yes
  • Adapted to Fine Textured Soils: No
  • Adapted to Medium Textured Soils: Yes
  • Anaerobic Tolerance: None
  • CaCO3 Tolerance: Medium
  • Cold Stratification Required: No
  • Drought Tolerance: High
  • Fertility Requirement: Low
  • Fire Tolerance: None
  • Frost Free Days Minimum: 130
  • Hedge Tolerance: None
  • Moisture Use: Low
  • pH (Minimum): 6
  • pH (Maximum): 8.5
  • Precipitation (Minimum): 10
  • Precipitation (Maximum): 24
  • Root Depth Minimum (inches): 10
  • Salinity Tolerance: Low
  • Shade Tolerance: Intolerant
  • Temperature Minimum (°F): 52
  • Bloom Period: Early Summer
  • Commercial Availability: No Known Source
  • Fruit/Seed Abundance: Medium
  • Fruit/Seed Period Begin: Summer
  • Fruit/Seed Period End: Summer
  • Fruit/Seed Persistence: No
  • Propagated by Bare Root: No
  • Propagated by Bulbs: No
  • Propagated by Container: No
  • Propagated by Corms: No
  • Propagated by Cuttings: No
  • Propagated by Seed: Yes
  • Propagated by Sod: No
  • Propagated by Sprigs: No
  • Propagated by Tubers: No
  • Seed per Pound: 3492307
  • Seed Spread Rate: Moderate
  • Seedling Vigor: Medium
  • Small Grain: No
  • Vegetative Spread Rate: None





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