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Published In: Species Plantarum 1: 333. 1753. (1 May 1753) (Sp. 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)
General/Distribution: A genus with 25 species, distributed in N. Africa and S.E. Europe to Himalayas, E. Siberia and S. & S.W. Asia. It is represented by 2 species in Pakistan.


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Shrub or undershrubs. Branches often ending into spines. Leaves small, coriaceous or fleshy, rarely thin, sessile or short petioled; ochreae connate, rarely splitting to the base, usually with 2 linear or linerar-lanceolate appendages at the apex. Flowers small, solitary or in fascicles of 2-3 or in loose racemes, arising from the ochreolae;bisexual. Perianth segments 4-5 in whorls, outer 2 smaller, reflexed in fruit, inner 2-enlarged, erect, enclosing the fruit. Stamens 6 or 8, inserted at the base of perianth, united into a glandular ring. Carpels 2-3; ovary lenticular or trigonous; styles 2-3, short, distinct or connate at base; stigmas 2-3, capitate. Fruit a lenticular or trigonous nut; seeds small with linear cotyledons.

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1 Flowers in capitate or elongated racemes with a distinct rachis. Perianth segments 5. Stamens 8. Styles 3. Fruit trigonous. 1 Atraphaxis pyrifolia
+ Flowers in axillary fascicles, rachis absent. Perianth segments 4. Stamens 6. Styles 2. Fruit compressed, lenticular. 2 Atraphaxis spinosa
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