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Published In: Botanical Magazine 70: , pl. 4086. 1844. (Bot. Mag.) 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. NAZIMUDDIN AND M. QAISER
General/Distribution: A genus of 50 species, distributed in tropical S. Africa and Madagascar, represented in Pakistan by one cultivated species.

 

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Mostly perennial, rarely biennial herbs or shrubs, with erect or ± prostrate stem. Leaves opposite, or in whorls, petiolate or sessile, mostly ovate or ovate-lanceolate; stipules divided in 2-setaceous lobes. Inflorescence terminal or axillary corymb, often somewhat spicate. Flowers hermaphrodite, often di- or trimorphic. Calyx tube globose or ovoid, mostly adnate to the ovary, 5 (-6-lobed, lobes often foliaceous, subpersistent in fruit; stipitate glands present between each pair of calyx lobes. Corolla-tube long, hairy, dilated at the throat, throat hirsute inside; lobes 5-6, ovate or oblong, valvate. Stamens 4-6, exserted, filaments short. Anthers dorsifixed. Ovary 2-loculed; ovules numerous; style branched, hairy, filiform, included; stigma papillose. Fruit 2-loculed, many-seeded capsule, obtriangular or ovoid, ribbed, beaked, opening at apex, splitting into 4 valves, externally papillate. Seeds minute, brownish, irregular, globose or tetrahedral, testa reticulate.
 
 
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