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Published In: Species Plantarum 1: 224. 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 rather large genus of about 90 species, centred on tropical America but also with several Australian representatives.
Type: Type species: Gomphrena globosa L.

 

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Annual or perennial herbs with entire, opposite leaves. Inflorescences terminal or axillary, capitate or spicate, solitary or glomerate, often subtended by a pair of sessile leaves, bracteate with the bracts persistent in fruit, the axis frequently thickened. Flowers hermaphrodite, each solitary in the axil of a bract, bibracteolate; bracteoles laterally compressed, carinate, often ±longitudinally winged or cristate along the dorsal surface of the midrib, deciduous with the fruit. Tepals 5, erect, free or almost so, ± lanate dorsally, at least the inner 2 usually indurate at the base in fruit. Stamens 5, monadelphous, the tube shortly 5-dentate with emarginate to very deeply bilobed teeth; alternat¬ing pseudostaminodes absent. Style short or long, stigmas 2, suberect or ± divergent to very short. Ovary with a single pendulous ovule. Fruit a thin-walled, irregularly rupturing utricle. Seed ovoid, compressed.
 

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1 Bracteoles with the dorsal crest large and conspicuous, extending form the apex almost to the extreme base of the midrib (2)
+ Bracteoles with the dorsal crest small, confined to about the upper third of the dorsal surface of the midrib Gomphrena celosioides
2 (1) Teeth of the staminal tube deeply bilobed with the lobes long and acute, projecting considerably beyond the anthers and subequalling them in overall length; leaves narrowly oblanceolate to linear-oblong Gomphrena haageana
+ Teeth of the staminal tube deeply bilobed, the lobes blunt and not or scarcely projecting beyond the anthers which are set between them; leaves broadly lanceolate to broadly oblong Gomphrena globosa
 
 
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