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Published In: Der Konigl. Akademie der Wissenschaften in Paris Physische Abhandlungen 5: 182. 1754. (Konigl. Akad. Wiss. Paris Phys. Abh.) Name publication detail
 

Project Name Data (Last Modified On 5/20/2022)
Acceptance : Accepted
Project Data     (Last Modified On 1/15/2021)
Contributor Text: Abdul Ghafoor
Contributor Institution: Centre for Plant Conservation, University of Karachi – PAKISTAN
Synonym Text:

Chryseis Cass., Bull. Soc. Philom. Paris 33. 1817; Amberboa Sect. Chryseis (Cass.) DC., Prodr. 6:559. 1837.


 

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Annual, rarely biennial, spineless  herbs with entire to dentate-pinnatisect, simple leaves. Capitula  pedunculate, heterogamous, radiant, solitary. Phyllaries multiseriate, imbricate, outer and median without  appendages, obtuse or scarious, ± triangular, brown, innermost with scarious apical appendages. Receptacle beset with setaceous paleae. Florets pale-yellow to pink; outer or marginal florets sterile, with 5-multi-lobed tubular  limb, much exceeding or equal to involucre; inner florets bisexual, with apically thickened, recurved lobes. Anthers  basally long caudate. Cypselas laterally compressed, obovoid-oblong, densely brownish-sericeous, ribbed, transversely rugose with a bony apical rim, lateral detachment area large, surrounded by a whitish, swollen margin, with an elaiosome. Pappus biseriate, scales linear-subulate, persistent, usually shorter than cypselas.

The species recognition in this genus is controversial. Rech. f. (l. c.) and Bremer (l.c.) recognise 6 species, distributed in East Europe, South West Asia and Central Asia while Susana & Garcia–Jacas (l.c.) adopting a broader concept of the species consider it as monospecific. The present author following   Rech. f. and  Bremer recognises occurrence of two species in our area.

 

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Florets pink or pinkish purple, marginal florets   much longer than    involucre. Cypselas  3.5 – 4 mm long.       

              

 

 

1. A. moschata

 

Florets  yellow, marginal florets hardly longer or equal to involucre. Cypselas  ca 5 mm long. 

  

2. A. turanica

 
 
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