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!Juncaceae Juss. Search in IPNISearch in NYBG Virtual Herbarium Decrease font Increase font Restore font
 

Published In: Genera Plantarum 43. 1789. (4 Aug 1789) (Gen. Pl.) Name publication detailView in BotanicusView in Biodiversity Heritage Library
 

Project Name Data (Last Modified On 6/2/2011)
Acceptance : Accepted
Project Data     (Last Modified On 6/3/2011)
Contributor Text: S.M.H. JAFRI
Contributor Institution: Herbarium, Department of Botany, University of Karachi, Karachi
General/Distribution: A family of 8 genera and nearly 300 species, chiefly of temperate and cold regions; represented in Pakistan by 2 genera and 18 species.
Comment/Acknowledgements: Acknowledgements: We are grateful to the United States Department of Agriculture for financing this research under P.L. 480. Thanks are also due to Mr. I.C. Hedge and Mess J. Larnond of the Royal Botanic Garden, Edinburgh, for their helpful suggestions.

 

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Herbs, mostly perennial, tufted or with erect or creeping rootstock. Leaves mostly basal, cauline, few or absent, distant, flat or cylindrical, linear or filiform, sheathing at base, sometimes reduced to sheaths only; sheaths open or closed, often ± auricled. Inflorescence cymose, bracteate, often panicled, corymbose or capitate. Flowers small, usually actinomorphic, bisexual, bracteate. Perianth segments (tepals) 6, (rarely 3), biseriate, free glumaceous or coriaceous, rarely white, mostly lanceolate, equal to unequal. Stamens (3-) 6, opposite the perianth segments; filaments thin, usually longer than anthers; anthers dithecous, longitudinally introrse; pollen in tetrads. Ovary 3-carpellary, syncarpous, superior, 1 (-3)-celled; stigmas 3, papillose, on short or long style, usually not exceeding the flower; placentae basal or 3, parietal, 3-manyovuled. Capsules often ± triangular, ovate, elliptic to lanceolate, shorter to much exceeding the perianth, 3-valved, loculicidal; seeds very small, sometimes tailed; embryo small, usually straight and in the middle of the endosperm.
 

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1 Leaves pubescent, at least when young; sheaths closed. Capsules not beaked, 3-seeded Luzula
+ Leaves glabrous: sheaths open. Capsules beaked, many seeded Juncus
 
 
 
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