Berkheya purpurea 'Zulu Warrior' (Silver Spike)

Interesting Facts

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Common Names

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Common Names in English:

Silver Spike

Description

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Family Compositae

The largest family of flowering plants , the Compositae (Asteraceae), comprising about 1,100 genera and more than 20,000 species and characterized by many small flowers arranged in a head looking like a single flower and subtended by an involucre of bracts. A head may consist of both ray flowers and disk flowers, as in the sunflower, of disk flowers only, as in the burdock, or of ray flowers only, as in the dandelion.

Physical Description

Flowers: Bloom Period: June. • Flower Color: gray, lavender, silver, violet

Size/Age/Growth

Size: 24-36" tall.

Biology

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Growth

Culture: Space 18-24" apart.

Soil: Minimum pH: 6.1 • Maximum pH: 7.5

Sunlight: Sun Exposure: Full Sun .

Moisture: Drought Tolerance: High

Temperature: Cold Hardiness: 6b, 7a, 7b, 8a, 8b, 9a, 9b, 10a, 10b, 11. (map)

Taxonomy

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Domain: Eukaryota () - Whittaker & Margulis,1978 - eukaryotes
- Kingdom: Plantae () - Haeckel, 1866 - Plants
  - Subkingdom: Viridaeplantae () - Cavalier-Smith, 1981
    - Phylum: Tracheophyta () - Sinnott, 1935 ex Cavalier-Smith, 1998 - Vascular Plants
      - Subphylum: Euphyllophytina ()
        Class: Spermatopsida () - Brongniart, 1843
        Subclass: Asteridae () - Takhtajan, 1967
        Superorder: Campanulanae () - Takhtajan Ex Reveal, 1992
        Order: Asterales () - Lindley, 1833
        Family: Compositae () - Giseke, 1792, nom. cons., nom. alt.
        Subfamily: Cichorioideae ()
        Tribe: Arctotideae ()
        Subtribe: Gorteriinae ()
        Genus: Berkheya () - F. Ehrhart, 1784, nom. cons.
        Specific epithet: purpurea
        Cultivar: Zulu Warrior
        Botanical name: - Berkheya purpurea 'Zulu Warrior'