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Oleaceae Hoffmanns. & Link Search in IPNISearch in NYBG Virtual Herbarium Decrease font Increase font Restore font
 

Published In: Flore portugaise ou description de toutes les ... 1: 62. 1809. (1 Sept 1809) (Fl. Portug.) Name publication detail
 

Project Name Data (Last Modified On 6/2/2011)
Acceptance : Accepted
Project Data     (Last Modified On 6/3/2011)
Contributor Text: FRITZ GROHMANN
Contributor Institution: Gordon College, Rawalpindi.(Now at St. Georgen, Austria.)
General/Distribution: A family of about 29 genera and 600 species, distributed in tropical, subtropical and temperate regions of the world, especially tropical and temperate Asia. Represented in Pakistan by 8 genera and about 30 species, of which about 22 species are cultivated.
Comment/Acknowledgements: Acknowledgements: We are grateful to the United States Department of Agriculture for financing this research under P.L. 480 we are thankful to Mr. P.S. Green, Asstt. Keeper, The Herbarium Royal Botanical Gardens, Kew, for going through the manuscript and giving valuable suggestions. Our thanks are also due to the Keeper of the Kew Herbarium and the Director, Naturhistorisches Museum, Vienna, for herbarium and library facilities.

 

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Trees or shrubs, rarely climbers. Leaves exstipulate, opposite (alternate in some species of Jasminum), simple or compound. Inflorescence basically cymose, paniculate or decussate, often with bracts. Flowers bisexual, rarely unisexual. Calyx tubular or campanulate, often very short, (lacking in some species of Fraxinus) truncate or 4(-5-9) lobed. Corolla lacking (in some species of Fraxinus) or tubular, funnel or salver-shaped, lobes 4(-5-10). Anthers 2, epipetalous, usually transversely placed and alternating with the carpels. Gynoecium superior, of 2 united carpels; ovary 2-locular, with 2 anatropous ovules in each locule. Style 1, stigma 2-lobed. Fruit a samara, a capsule, a drupe, or a berry, containing 1-4 seeds.
 

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1 Leaves compound (2)
+ Leaves simple (3)
2 (1) Fruit a berry or a capsule. Leaflets mostly entire (8)
+ Fruit a samara. Leaflets serrate or crenate, rarely entire Fraxinus
3 (1) Corolla tube of the same colour as the lobes. Leaves if pubescent, not covered with stiff hairs (4)
+ Corolla tube orange-red lobes whitish. Leaves covered with short, stiff hairs Nyctanthes
4 (3) Corolla 3-5 mm in diameter, creamy-white, some times greenish; tube up to 3 mm long. Fruit a drupe (5)
+ Corolla 5-35 mm in diameter, white, yellow or red-lilac; tube 5-20 mm long. Fruit a berry or a capsule (8)
5 (4) Leaves ovate green, sometimes shining not densely covered with scales. Trees or shrubs, not greyish (6)
+ Leaves lanceolate to ovate, densely covered with minute whitish or reddish scales, more on the lower surface. Small tree of greyish-green appearance Olea
6 (5) Leaves without such glands (7)
+ Leaves bearing glands (domatia) at the axils of nerves Olea
7 (6) Flowers in thyrsoid panicles. Drupe with 1-3 seeds, resembling a berry Ligustrum
+ Flowers in short racemes or fascicles. Drupe 1-seeded Osmanthus
8 (2) Fruit a capsule. Corolla lobes 4; flowers solitary, in panicles or fascicles (9)
+ Fruit a berry. Corolla lobes (4-) 5-10; flowers solitary, in cymes or fascicles Jasminum
9 (8) Corolla tube longer than the lobes, red-lilac or white. Leaves Simple, entire or pinnatifid Syringa
+ Corolla deeply divided, yellow; tube much chorter than the lobes. Leaves simple, serrate, trilobed or trifoliolate Forsythia
 
 
 
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