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Published In: Species Plantarum 1: 470. 1753. (1 May 1753) (Sp. Pl.) Name publication detailView in BotanicusView in Biodiversity Heritage Library
 

Project Name Data (Last Modified On 4/2/2012)
Acceptance : Accepted
Project Data     (Last Modified On 4/2/2012)
Contributor Text: ABDUL GHAFOOR
Contributor Institution: Don McNair Herbarium, School of Environmental and Life Sciences, The University of Newcastle, Callaghan, NSW-2308, Australia

E-mail:abdul.ghafour@newcastle.edu.au; artemisiella89@gmail.com

General/Distribution: A genus comprising of about 70 species, distributed chiefly in tropical America. Represented in Pakistan by the following introduced species which has also become naturalized in many tropical countries.

 

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Large shrubs or small trees with sharply 4-angled twigs. Leaves simple, opposite, more than 5 cm long, with prominent intramarginal vein. Flowers white, bisexual, 3 – 4 cm across, axillary, solitary or in a 3-flowered dichasial cyme. Sepals completely united in bud forming urceolate or pyriform tube adnate to the ovary, splitting irregularly at anthesis into 4 – 5-lobed limb. Petals 4 – 5, free, often showy, patent. Stamens numerous, multiseriate, free. Ovary (2 -) 4 – 5 (-7)-loculed, ovules numerous in each locule; style solitary; stigma capitate or peltate. Fruit a globose, ovoid or pyriform, many-seeded, usually fleshy berry with persistent or deciduous calyx lobes. Seeds hippocrepiform or reniform with bony testa and uncinate or curved embryo.

 

Lower Taxa
 
 
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