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  Leucophyllum frutescens
  Family Name : Scrophulariaceae

  Common Names : Barometer Bush, Ash Plant, Cenizo, Texas Ranger, Texas Silver Leaf, Purple Sage

Barometer Bush,Ash Plant,Cenizo,Texas Ranger,Texas Silver Leaf,Purple Sage
  • Record Info
    • Featured in '1001 Garden Plants in Singapore' Book (2ed) :
  • Life Stage & Characteristics
    • Plant Division :
      Angiosperms (Flowering Seed Plants) (Dicotyledon)
      Plant Growth Form :
      Shrub (Woody)
      Lifespan (in Singapore) :
      Mode of Nutrition :
      Plant Shape :
      Shrubby, Open
      Maximum Height :
      1.2 m to 2.4 m
      Maximum Plant Spread / Crown Width :
      1.5 m
  • Biogeography
    • Native Distribution :
      Rio Grande Valley (Texas, New Mexico), northern Mexico
      Native Habitat :
      Terrestrial (Coastal Forest)
      Preferred Climate Zone :
      Tropical, Sub-Tropical / Monsoonal, Desert / Arid
      Local Conservation Status :
      Exotic (Horticultural / Cultivated Only)
  • Description & Ethnobotany
    • Plant Morphology :
      Growth Form: Small to medium sized shrub, growing to about 1 - 2.5 m tall and and 0.8 - 1.5 m wide.
      Foliage: Simple, alternate leaves, soft and velvety, bluish grey in colour, measuring up to about 2.5 - 3 cm long, smooth margins.
      Stems: Squarish, silvery stems
      Flowers: Flowers are violet to purple, and sometimes pink, measuring about 2.5 cm across, soft and velvety, smooth margins. Blooming usually occurs due to a response to rain and can cover the entire plant.
      Etymology :
      Genus Leucophyllum means with white leaves. Species frutescens means shrubby or becoming shrubby.
      Ethnobotanical Uses :
      Medicinal (Dried leaves and flowers can be brewed into herbal tea, mildly sedative, good as bedtime drink and treating colds.)
  • Landscaping Features
    • Desirable Plant Features :
      Ornamental Flowers, Ornamental Foliage, Ornamental Stems, Fragrant (Flowers: Day)
      Plant & Rootzone Preference/Tolerance :
      Dry Soils / Drought, Well-Drained Soils, Saline Soils / Salt Spray, Poor Infertile Soils, Alkaline (high pH) Soils, [Remarks] (Native to limestone cliff habitats. Prefers alkaline soils (pH 8.6 - 9.0).)
      Landscape Uses :
      General, Coastal, Hedge / Screening, Flowerbed / Border, Container Planting
  • Fauna, Pollination & Dispersal
    • Associated Fauna :
      Pollination Method(s) :
      Biotic (Fauna)
  • Plant Care & Propagation
    • Light Preference :
      Full Sun
      Water Preference :
      Moderate Water, Little Water
      Plant Growth Rate :
      Planting Distance :
      0.6 m to 1.8 m
      Maintenance Requirements :
      [Remarks] (Avoid excessive watering for more compact form and to prevent leaf-drop. Water during establishment, treat like desert plant subsequently.)
      Pruning :
      Practise tip-pruning of selective stems to maintain shape and prevent legginess with age. Avoid shearing.
      Fertilizing :
      Minimal. Sparse flowering and more sprawling leggy form if fertilizer is applied.
      Diseases :
      Stem rot, galls, powdery mildew, scale insects, root rot
      Propagation Method :
      Seed, Stem Cutting
      Propagule Establishment Remarks :
      Stem cuttings easily rooted in sand or water.
  • Foliar
    • Foliage Retention :
      Mature Foliage Colour(s) :
      Silver / Grey
      Mature Foliage Texture(s) :
      Smooth, Velvety / Furry / Tomentose
      Foliar Type :
      Simple / Unifoliate
      Foliar Arrangement Along Stem :
      Foliar Shape(s) :
      Non-Palm Foliage (Oval; Elliptical)
      Foliar Venation :
      Pinnate / Net
      Foliar Margin :
      Entire - Wavy / Undulate
      Leaf Area Index (LAI) * for Green Plot Ratio :
      4.5 (Shrub & Groundcover - Dicot)
  • Non-Foliar & Storage
    • Bark Colour(s) :
      Mature Bark Texture :
      Stem Type & Modification :
      Root Type :
      Underground (Fibrous Root)
  • Floral (Angiosperm)
    • Flower & Plant Sexuality :
      Bisexual Flowers
      Flower Colour(s) :
      Pink, Purple
      Flower Grouping :
      Flower Location :
      Flower Symmetry :
      Individual Flower Shape :
      Campaulate / Bell-shaped, Tubular
      Flowering Opening Time :
      Flower Lifespan On Plant :
      Several Days
      Flowering Habit :
  • Fruit, Seed & Spore
    • Fruit Classification :
      Simple Fruit
The information given on this website has been compiled from reference works on medicinal plants and/or pron only. It is not a substitute for medical advice or treatment and NParks does not purport to provide any medical advice. Reliance on this information is strictly at your own risk. You should always consult your physician before using or consuming a plant for medicinal purposes.

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