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Published In: Species Plantarum 2: 999. 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)
Flower/Fruit: Fl. Per. March-April.
Type: Type: Described from Turkey.
Distribution: Distribution: Native to SE. Europe and Turkey; Afghanistan, China. W. Pakistan and the NW. Himalayas from Kashmir to Kumaon.
Comment/Acknowledgements: The hazelnut is more common in the inner than the outer Himalayas from 1600-3300 m alt. s. m. Often gregarious. The nut is edible.
Illustration: Corylus colurna L. (Illustration)
Map Location: B-8 Kashmir: below Taubat, c. 7000 ft., R.R. Stewart 1786 (RAW); Badwan, c. 8500 ft. R.R. & I.D. Stewart 19263 (RAW); Kanzalwan to Badwan, c. 8000 ft., R. R. Stewart 19533 (RAW); Sharda, c. 6000 ft., Jan Mohd. 90 (RAW).


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Deciduous tree up to 15 m tall; young shoots tomentose-glandular. Leaf buds solitary axillary, ovoid, enclosed in imbricate pubescent scales. Stipules lanceolate. Petiole 7-40 mm long, pubescent, glandular. Leaves 6-17 cm long. 4-11 cm broad, broadly ovate to sub-obovate with 7-8 (-10) pairs of lateral veins, acuminate, pubescent, tomentose beneath. Male catkins 2-4 cm long, axillary solitary or 2-3; bract broadly ovate-cordate, c. 2 mm broad, margin pubescent and glandular, enclosing a pair of oblong obovate pubescent bracteoles; stamens 4-5; filaments short, anthers c. 7 mm long, piliferous, dehiscing longitudinally. Female flowers small, in short spikes, in pairs in axil of upper bracts; perianth adnate to the ovary, toothed, superior. Nuts in clusters of 2-3, each c.1.5 cm broad, bony, brownish yellow, enclosed in an enlarged coriaceous, leafy, laciniate and often spinescent glandular involuore.
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