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Family Oleaceae

Description: Trees, shrubs or climbers.

Leaves opposite or rarely alternate, simple or pinnately compound with 1 to many leaflets, margins entire or toothed; petiolate, stipules absent.

Inflorescences terminal or axillary, panicles or cymes. Flowers actinomorphic, frequently heterostylous, bisexual, [rarely unisexual and then plants dioecious, 4-or 5-merous. Calyx mostly tubular and 4- or 5-lobed; lobes rounded, triangular, linear or absent. Corolla usually tubular and 4- or 5-lobed (to 10-lobed in Jasminum) or petals ± free. Stamens 2 [or rarely 4, epipetalous, or connecting the petals; anthers 2-locular, dehiscence by longitudinal slits. Ovary superior, 2-locular, usually with 2 ovules per loculus; style terminal, ± 2-lobed or capitate.

Fruit drupaceous, a berry, samara or capsule; often 1-seeded.


Distribution and occurrence: World: c. 29 genera, 600 species, cosmopolitan, but best developed in Asia & Malesia. Australia: 6 genera, 25–32 species, all States.

External links:
Angiosperm Phylogeny Website (Family: Oleaceae, Order: Lamiales)
Wikipedia

Fraxinus angustifolius Vahl., a deciduous tree with pinnately compound leaves, is often cultivated in cooler climates. It has been recorded as naturalised in and around several towns.

Text by D. W. Hardin (1992); edited KL Wilson (April 2009)
Taxon concept:

 Key to the genera 
+Yet to be included in key (Panicles axillary)Fraxinus
1Climbers or scramblers, or sometimes many-stemmed scandent shrubs and usually less than 1.5 m high; corolla tubular, 5–10-lobedJasminum
Trees or shrubs, mostly erect, few-stemmed and mostly more than 1.5 m high; corolla either tubular and 4-lobed or of 4 more or less free petals2
2Flowers in panicles3
Flowers in simple racemes
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4
3Panicles axillary, or rarely axillary and terminal; leaves usually densely covered with peltate scales on lower surfaceOlea
Panicles terminal; leaves glabrous or young leaves pubescent
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Ligustrum
4Petals joined in 2 pairs at the base of the stamens, the pairs free; petals broad-ovate, induplicate-valvate in bud; venation in leaves usually visible at least on lower surface, or if obscure on both surfaces then leaves more than 7 times as long as broadNotelaea
Petals more or less free, only just joined at base, more or less acute, slightly imbricate in bud; venation in leaves obscure on both surfaces (except for midvein) and leaves less than 7 times as long as broad
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Nestegis

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