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Alectryon is a genus of trees in the soapberry family, Sapindaceae. The genus is distributed across Australasia, Micronesia and Southeast Asia. The genus is found in a wide variety of environments from rainforests and gallery forests to arid savannas and heaths.

Species height varies form low shrubs to trees of 30 m. Their leathery leaves may be simple or pinnate foliage. Small flowers, usually formed at the end of the stem, are followed by fruit which split when ripe to reveal a large seed with a fleshy aril. These juicy appendages attract birds and other seed dispersing animals.

The name Alectryon is derived from Greek word for "rooster". This refers to the cockscomb appearance of aril on the fruit. See also: Alectryon (mythology)

Species

Alectryon macrococcus var auwahiensis

• Alectryon affinis (New Guinea)
• Alectryon bleeseri (tropical Australia)
• Alectryon canescens (Australia)
• Alectryon cardiocarpus (New Guinea)
• Alectryon carinatum (New Caledonia)
• Alectryon celebicus (Sulawesi)
• Alectryon coriaceum – Beach Bird's Eye (Australia)
• Alectryon diversifolius – Scrub Boonaree (Australia)
• Alectryon excelsus Gaertn. – Tītoki (New Zealand)
• Alectryon excisus (Philippines)
• Alectryon ferrugineum (Maluku Islands)
• Alectryon fuscus (Philippines)
• Alectryon glabrum (Timor)
• Alectryon grandifolius (Fiji)
• Alectryon grandis – Three Kings Tītoki (New Zealand)
• Alectryon inaequilaterus (Philippines)
• Alectryon kangeanensis (Java)
• Alectryon kimberleyanus (West Australia)
• Alectryon laeve (Australia)
• Alectryon macrococcus Radlk. – ʻAlaʻalahua or Māhoe (Hawaii)
  • A. macrococcus var. auwahiensis G.Linney (Maui)
  • A. macrococcus var. macrococcus Radlk. (Kauaʻi, Oʻahu, Molokaʻi, Maui)
• Alectryon macrophyllus (New Guinea)
• Alectryon mollis (New Guinea)
• Alectryon myrmecophilus (New Guinea)
• Alectryon ochraceus (Philippines)

Alectryon diversifolius foliage

• Alectryon oleifolius – Boonaree (Australia)
• Alectryon ramiflorus S.Reynolds (Queensland, Australia)
• Alectryon repandodentatus Radlk. (New Guinea)
• Alectryon reticulatus (New Guinea)
• Alectryon samoensis (Samoa)
• Alectryon semicinereum (Australia)
• Alectryon serratum (Australia)
• Alectryon sphaerococcum (Sulawesi)
• Alectryon strigosus (New Guinea)
• Alectryon subcinereus – Wild Quince (Australia)
• Alectryon subdentatum (Australia)
• Alectryon tomentosus – Hairy Alectryon, Woolly Rambutan, Hairy Bird's Eye (Australia)
• Alectryon unilobatus (Australia)

References