PlantNET Home DONATE TODAY | PlantNET Home | Search NSW Flora | Contact Us  
FloraOnline
Introduction
Plant Name Search
Index Search
Spatial Search
Identification Keys
Classification
Glossary
WeedAlert
Telopea Journal
Other Data Sources
NEW SOUTH WALES FLORA ONLINE Printable Page

Genus Olax Family Olacaceae

Description: Shrubs or small trees, mostly glabrous, often with a strong odour, branchlets slightly flexuose.

Leaves usually distichous, yellow-green or pale grey-green, lateral veins obscure; sessile.

Flowers usually solitary, bisexual or unisexual; pedicels short. Calyx short, entire or slightly lobed, persistent as apical collar in fruit. Petals 5 free or united, each with hooked thickening inside at apex, caducous. Stamens 3 fertile; staminodes usually 5, inserted ± opposite petals. Ovary partly immersed in disc, 1-locular or imperfectly 3-locular with 1 ovule per loculus; stigma 3-lobed, subcapitate.

Drupe succulent, exocarp formed by enlarged hypanthium; 1-seeded.


Distribution and occurrence: World: 60 species, tropical Africa, Madagascar, Malesia & Australia. Australia: 11 species (endemic), all mainland States.

Text by C. L. Gardner
Taxon concept:

 Key to the species 
1Apex of leaves obtuse to acute, neither emarginate nor truncate; staminodes simple2
Apex of leaves emarginate or truncate; staminodes bifidOlax retusa
2Branchlets more or less terete; most leaves less than 10 mm long, less than 3 mm wide, linear to narrow-elliptic, apex hooked; corolla less than 5 mm longOlax stricta
Branchlets angular; leaves mostly more than 10 mm long, more than 3 mm wide, elliptic, apex not hooked; corolla more than 5 mm long
                       Back to 1
Olax angulata

  Privacy | Copyright | Disclaimer | About PlantNET | Cite PlantNET