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Matourea azurea


Matourea azurea (Linden) Colletta & V.C.Souza

Family Name: Plantaginaceae
Synonyms: Achetaria azurea (Linden) V.C.Souza, Otacanthus azureus (Linden) Ronse , Otacanthus caeruleus Lindl.
Common Name: Amazon Blue, Brazilian Snapdragon


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

Classifications and Characteristics

Plant Division Angiosperms (Flowering Seed Plants) (Dicotyledon)
Plant Growth Form Herbaceous Plant
Lifespan (in Singapore) Perennial
Mode of Nutrition Autotrophic
Plant Shape Shrubby


Native Distribution Brazil
Native Habitat Terrestrial
Preferred Climate Zone Tropical
Local Conservation Status Non-native (Horticultural / Cultivated Only)

Description and Ethnobotany

Growth Form Compact shrub, growing up to about 1.0 - 1.2 m tall.
Foliage Bright green, arranged oppositely along the stem. 
Flowers Purplish-blue flowers, measuring about 3.5 cm long and 2.5 cm wide, and having a characteristic of a large flat lower lip. Flowers are borne in clusters, called as spike, and located at the terminal end of plant. 
Cultivation Propagated via stem cutting. Pinch back to promote bushiness. Grows best under full sun. 

Landscaping Features

Desirable Plant Features Ornamental Flowers, Fragrant
Landscape Uses Parks & Gardens, Small Gardens, Groundcover

Plant Care and Propagation

Light Preference Semi-Shade, Full Sun
Water Preference Moderate Water
Rootzone Tolerance Moist Soils, Well-Drained Soils
Propagation Method Stem Cutting


Foliage Retention Evergreen
Mature Foliage Colour(s) Green
Foliar Type Simple / Unifoliate
Foliar Arrangement Along Stem Opposite
Foliar Shape(s) Non-Palm Foliage
Foliar Margin Serrate / Toothed
Leaf Area Index (LAI) for Green Plot Ratio 4.5 (Shrub & Groundcover - Dicot)

Floral (Angiosperm)

Flower Colour(s) Purple, Blue
Flower Texture(s) Smooth
Flower Grouping Cluster / Inflorescence
Flower Location Terminal
Flower Symmetry Bilateral
Inflorescence Type Spike
Flowering Period Free-Flowering


References Colletta, G.D., Scatigna, A.V. & Souza, V.C. (2020). Assessment of Matourea pratensis (Plantaginaceae: Gratioleae) reveals an older name for Achetaria. Taxon 69 (6): 1354-1360.

Image Repository



Master ID 996
Species ID 2290
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: 23 March 2023.