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Knightia excelsa
  • Rewarewa

a perennial woody evergreen member of the Knightia genus in the family Proteaceae.

Niche
  • Canopy
    Canopy
    There are no details available for this niche.
  • Secondary canopy
    Secondary canopy
    There are no details available for this niche.
Functions
  • None
    None
    There are no functions defined for this plant. Do you know of some? Click the edit button to add them!
Light
  • Full sun
    Full sun
    The amount of sun exposure that a plant prefers in ideal conditions.
    Key
  • light shade
    Light shade
    The amount of shade a plant will tolerate without adverse health affects.
    Key
Water
  • Water Requirementsmoderate
    Moderate
    The amount of water a plant needs for healthy growth, relative to other plants.
    Key
Soil
  • acid,neutral,alkaline
    Acid to Alkaline
    The PH range (acidity or alkilinity) of the growth medium ideal for healthy nutrient absorbtion.
    Key
  • Sandy to Clay
    The soil texture this plant prefers for optimal growth.
    Key
Cold & Heat
  • 9
    Zone 9
    The USDA Hardiness scale assigns plants a number from 1 to 12 representing the minimum temperature a plant can survive.
    Key
    0< -53.9ºC< -65ºF
    1-51.1ºC-60ºF
    2-45.6ºC-50F
    3-40ºC-40ºF
    4-34.4ºC-30ºF
    5-28.9ºC-20ºF
    6-23.3ºC-10ºF
    7-17.8ºC0ºF
    8-12.2C10ºF
    9-6.7ºC20ºF
    10-1.1ºC30ºF
    114.4ºC40ºF
    12> 10ºC> 5ºF
  • ?
    Unknown
    The AHS Heat scale assigns plants a number from 1 to 12 representing the number of days per year a plant requires a temperature exceeding 30ºC (86ºF).
    Key
    11
    21 - 7
    38 - 14
    415 - 30
    531 - 45
    646 - 60
    761 - 90
    891 - 120
    9121 - 150
    10151 - 180
    11181 - 210
    12181 - 210
Knightia excelsa has 0 edible uses listed
Knightia excelsa has 0 material uses listed

Uses

Edible uses

Notes

The flowers are very rich in nectar, this can be extracted and used as food. It contains about 45% sugars[1].

Unknown part

Nectar

Material uses

Wood - handsomely variegated. Highly valued for superior woodwork, inlay etc[2].

Unknown part

Wood

Medicinal uses(Warning!)

There are no medicinal uses listed for Knightia excelsa.

Ecology

Ecosystem niche/layer

Canopy or Secondary canopy

Ecological Functions

Nothing listed.

Forage

Nothing listed.

Shelter

Nothing listed.

Propagation

Seed - sow spring in a warm greenhouse[3]. When they are large enough to handle, prick the seedlings out into individual pots and grow them on in the greenhouse for at least their first winter. Plant them out into their permanent positions in late spring or early summer, after the last expected frosts.

Practical Plants is currently lacking information on propagation instructions of Knightia excelsa. Help us fill in the blanks! Edit this page to add your knowledge.



Cultivation

Succeeds in any well-drained fertile soil in sun or semi-shade[4]. Requires protection from cold and drying winds[4].

Plants tolerate very light and short-lived frosts, but they are best with a minimum winter temperature of about 3°c[4]. Another report says that trees are hardy in south Cornwall[2].

A very good bee plant[1].

Crops

Problems, pests & diseases

Associations & Interactions

There are no interactions listed for Knightia excelsa. Do you know of an interaction that should be listed here? edit this page to add it.

Polycultures & Guilds

There are no polycultures listed which include Knightia excelsa.

Descendants

Cultivars

Varieties

None listed.

Subspecies

None listed.

Full Data

This table shows all the data stored for this plant.

Taxonomy
Binomial name
Knightia excelsa
Genus
Knightia
Family
Proteaceae
Imported References
Edible uses
[1]
Medicinal uses
Material uses & Functions
[2]
Botanic
[5][4]
Propagation
Cultivation
Environment
Cultivation
Uses
Edible uses
None listed.
Material uses
None listed.
Medicinal uses
None listed.
Functions & Nature
Functions
Provides forage for
Provides shelter for
Environment
Hardiness Zone
9
Heat Zone
?
Water
moderate
Sun
full sun
Shade
light shade
Soil PH
acid, neutral, alkaline
Soil Texture
sandy, loamy, clay
Soil Water Retention
well drained
Environmental Tolerances
    Ecosystems
    Native Climate Zones
    None listed.
    Adapted Climate Zones
    None listed.
    Native Geographical Range
    None listed.
    Native Environment
    None listed.
    Ecosystem Niche
    Canopy, Secondary canopy
    Root Zone Tendancy
    None listed.
    Life
    Deciduous or Evergreen
    evergreen
    Herbaceous or Woody
    woody
    Life Cycle
    perennial
    Growth Rate
    ?
    Mature Size
    20 x 4 meters
    Fertility
    ?
    Pollinators
    Bees
    Flower Colour
    ?
    Flower Type
    hermaphrodite











    References

    1. ? 1.01.11.2 Crowe. A. Native Edible Plants of New Zealand. Hodder and Stoughton ISBN 0-340-508302 (1990-00-00)
    2. ? 2.02.12.2 F. Chittendon. RHS Dictionary of Plants plus Supplement. 1956 Oxford University Press (1951-00-00)
    3. ? Brickell. C. The RHS Gardener's Encyclopedia of Plants and Flowers Dorling Kindersley Publishers Ltd. ISBN 0-86318-386-7 (1990-00-00)
    4. ? 4.04.14.24.3 Huxley. A. The New RHS Dictionary of Gardening. 1992. MacMillan Press ISBN 0-333-47494-5 (1992-00-00)
    5. ? Cite error: Invalid <ref> tag; no text was provided for refs named PFAFimport-44


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    Facts about "Knightia excelsa"RDF feed
    Article is incompleteYes +
    Article requires citationsNo +
    Article requires cleanupYes +
    Belongs to familyProteaceae +
    Belongs to genusKnightia +
    Has common nameRewarewa +
    Has drought toleranceIntolerant +
    Has edible partUnknown part +
    Has edible useNectar +
    Has fertility typeBee +
    Has flowers of typeHermaphrodite +
    Has hardiness zone9 +
    Has lifecycle typePerennial +
    Has material partUnknown part +
    Has material useWood +
    Has mature height20 +
    Has mature width4 +
    Has search nameknightia excelsa + and x +
    Has shade toleranceLight shade +
    Has soil ph preferenceAcid +, Neutral + and Alkaline +
    Has soil teclayture preferenceClay +
    Has soil teloamyture preferenceLoamy +
    Has soil tesandyture preferenceSandy +
    Has soil water retention preferenceWell drained +
    Has sun preferenceFull sun +
    Has taxonomy nameKnightia excelsa +
    Has water requirementsmoderate +
    Inhabits ecosystem nicheCanopy + and Secondary canopy +
    Is deciduous or evergreenEvergreen +
    Is herbaceous or woodyWoody +
    Is taxonomy typeSpecies +
    Tolerates nutritionally poor soilNo +
    Uses mature size measurement unitMeters +