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Xanthorrhoea preissii

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Xanthorrhoea preissii Endl.

Family Name: Asphodelaceae
Synonyms: Xanthorrhoea pecoris F.Muell., Xanthorrhoea reflexa D.A.Herb.
Common Name: Grass Tree, Blackboy, Blaga

Name

Family Name
Genus Epithet
Species Epithet
Name Authority
Name Status (botanical)
Synonyms
Common Names
Comments

Classifications and Characteristics

Plant Division Angiosperms (Flowering Seed Plants) (Monocotyledon)
Plant Growth Form Herbaceous Plant
Lifespan (in Singapore) Perennial
Mode of Nutrition Autotrophic
Plant Shape Fountain (Palm-like)

Biogeography

Native Distribution Western Australia
Native Habitat Terrestrial (Desert / Semi-Desert)
Preferred Climate Zone Desert / Arid
Local Conservation Status Non-native (Horticultural / Cultivated Only)

Landscaping Features

Desirable Plant Features Ornamental Foliage, Ornamental Form
Landscape Uses Focal Plant
Thematic Landscaping Rockery / Desert Garden

Plant Care and Propagation

Light Preference Full Sun
Water Preference Little Water
Plant Growth Rate Slow
Rootzone Tolerance Drought Tolerant, Poor Infertile Soils, Well-Drained Soils

Foliar

Mature Foliage Colour(s) Green
Leaf Area Index (LAI) for Green Plot Ratio 3.5 (Shrub & Groundcover - Monocot)

Image Repository

Images

Others

Master ID 1267
Species ID 2560
Flora Disclaimer The information in this website has been compiled from reliable sources, such as reference works on medicinal plants. It is not a substitute for medical advice or treatment and NParks does not purport to provide any medical advice. Readers should always consult his/her physician before using or consuming a plant for medicinal purposes.
Species record last updated on: 03 March 2026.
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