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

Published In: Genera Plantarum 268. 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: YAS1N J. NASIR
Contributor Institution: National Herbarium, Pakistan Agricultural Research Council, Islamabad.
General/Distribution: 5 genera and c. 750 species, cosmopolitan, but mostly in temperate areas. Represented in Pakistan by 4 genera and 35 species.
Comment/Acknowledgements: Acknowledgements: We are grateful to the U.S. Department of Agriculture for financing this research under PL-480. Thanks are also due to Dr. P.F. Yeo, Botanic Garden, Cambridge for his helpful suggestions and to Mr. I.C. Hedge, Royal Botanic Garden, Edinburgh for going through the manuscript.

 

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Annual, biennial or perennial herbs. Leaves variously lobed or divided, stipulate. Flowers usually regular, rarely zygomorphic, solitary or in umbellate cymes, hypogynous. Sepals and petals 5, free, imbricate; nectar glands alternating with the petals. Stamens 10-15, free or united at the base; staminodes frequent. Ovary 5-locular. Capsule splitting into five 1-seeded mericarps, often united to long awns.
 

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1.Flowers zygomorphic. Posterior sepal produced into a spur
Pelargonium
1.Flowers actinomorphic. Posterior sepal without a spur
2.Stamens 15 in number, pentadelphous
Monsonia
2.Stamens 5-10 in number, not pentadelphous
3.Leaves not longer than broad. Fertile stamens (5-) 10 in number. Stylar axis elastically coiling upwards
Geranium
3.Leaves longer than broad. Fertile stamens 5. Stylar axis dehiscing from the apex downwards
Erodium
 
 
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