Corymbia calophylla (Marri Tree, Red Gum, Port Gregory Gum)

Botanical Information

FamilyMyrtaceae
GenusCorymbia
Speciescalophylla
SynonymsEucalyptus calophylla
CategoryWoody
TypeTree (deciduous)
OriginWidely spread through the southern portions of South Western Australia in the Jarrah and Karri forests.
Ethnobotanical Uses
Disclaimer		The wood is used in handcrafted furniture, oars, handles and when treated for poles and posts.The Nyoongar use the resin or gum from the tree as an antiseptic. It may also be mixed with water as a mouthwash. Mixed with clay and water used as a medicine for dysentery.

Details

USDA Hardiness Ref.
Canada Hardiness Ref.
RHS Hardiness Ref.
Height40 - 60 m
Flowering PeriodJanuary, February, March, April, May, December

Description and Growing Information

PropagationSeed.
CultivationFull sun and partial-shade. Well-drained soils. Prefers clay loams, sandy clay, gravel and sandy soils.
Notable SpecimensKings Park and Botanical Garden, Perth, Australia.
HabitatCoastal plains.
Bark/Stem DescriptionThe bark has numerous faults and gum veins.
Flower/Leaf Bud DescriptionClavate and 7 - 14 mm long and 7 - 10 mm wide with a calyptrate calyx.
Leaf DescriptionAdult leaves are disjunct. thick and concolorous with broad lanceolate to ovate shape. Basally tapered rounded. Leaf blade is 9 - 14 cm long and 25 - 40 cm wide. Leaf petioles are narrowly flattened or channelled.
Flower DescriptionTerminal compound conflorescences have 3 - 7 umbellasters on terete or angular peduncles.
Fruit DescriptionOvoid to urceolate in shape, pedicellate and 30 - 50 mm long and 25 - 40 mm wide. Large nuts that carry seeds.
Colour DescriptionThe bark is greyish-brown to reddish-brown in colour. The flowers are pinkish-white in colour.
Texture DescriptionRough and tesselated bark. The leaves are glossy in texture.

Photographs