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Genus Logania Family Loganiaceae

Description: Herbs, undershrubs or shrubs.

Leaves opposite; margins entire; the bases of opposite leaves joined by membrane-like interpetiolar stipules.

Inflorescence axillary [or terminal], variously cymose (botryoidal or branched-botryoidal). Flowers usually small, often unisexual and plants dioecious; usually 5-merous. Calyx lobes obtuse to acute, ciliate. Corolla campanulate or with tube cylindrical; lobes imbricate in bud. Stamens included to just exserted; inserted on the corolla tube just below half-way. Stigma capitate or oblong, undivided.

Fruit a septicidal capsule, with the 2 carpels almost separating; usually black, woody.


Distribution and occurrence: World: c. 25 species, Australia, New Caledonia, New Zealand. Australia: c. 22 species (endemic), all mainland States.

Text by B. J. Conn
Taxon concept:

Taxa not yet included in identification key
Logania granitica,    Logania sp. A sensu Conn (1992)

 Key to the species 
1Herb or procumbent undershrub to c. 15 cm high; flowers solitary, axillaryLogania pusilla
Erect shrub to c. 2 m high; flowers in axillary cymes2
2Leaves reduced to bract-like scales, less than 2 mm long; flowers bisexual; stamens inserted at throat of corolla tubeLogania nuda
Leaves more than 5 mm long, not scale-like; flowers unisexual; stamens inserted at middle of corolla tube
                       Back to 1
3
3Leaves more or less flat, usually more than 20 mm long and more than 1.5 mm wide; apex usually apiculateLogania albiflora
Leaves revolute, usually c. 10 mm long and less than 1.5 mm wide; apex obtuse to acute
                       Back to 2
Logania sp. A sensu Harden (1992)

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