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Published In: Species Plantarum 2: 830. 1753. (1 May 1753) (Sp. Pl.) Name publication detailView in BotanicusView in Biodiversity Heritage Library
 

Project Name Data (Last Modified On 5/16/2022)
Acceptance : Accepted
Project Data     (Last Modified On 1/14/2021)
Contributor Text: Abdul Ghafoor,
Contributor Institution: Centre for Plant Conservation, University of Karachi – PAKISTAN
Synonym Text:

Kentrophyllum Neck. ex DC., Elem. 1: 86. 1790.


 

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Annual or occasionally perennial, glandular and villous lanate to arachnoid spiny herbs with alternate, pinnatifid to pinnatisect, sometimes entire, marginally spiny leaves; basal leaves larger and more dissected than cauline. Capitula homogamous, discoid, terminal, solitary or laxly corymbose. Involucre subglobose to ovoid. Phyllaries multiseriate, imbricate, outer very spiny, akin to upper cauline leaves, median rarely with appendages, innermost entire, acuminate. Receptacle flat, with a dense cover of bristles. Florets bisexual, slender, pink-purple, violaceous, orange, yellow or white. Anther filaments usually densely hairy. Cypselas strikingly dimorphic, obpyramidate, tetrangular, glabrous, apically rimmed, of outer florets grossly rugose and mostly small; of inner florets large, oblong-obconical, ± smooth. Pappus absent or if present biseriate to multiseriate, sometimes of scales, serrulate-ciliate,  inner basally connate, shorter.

A genus of ca 17, xerophilous weedy species, distributed in Mediterranean region, Middle East to Indo-Pakistan subcontinent and Central Asia. Represented in Pakistan by the following three species.

 

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1.

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Florets pale yellow. Outer and inner cypselas with scaly pappus.

 

1. C. lanatus

 

Florets orange-yellow or orange-red. Pappus absent on all cypselas.

 

2

2.

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Florets yellow. Capitula ± ovate, 1.5-2.5 cm long, ca 1.5 cm across. Inner phyllaries glandulose with yellow spines on the margins. Cypselas 2 – 3 (-3.5) mm wide.

 

 

 

2. C. oxycantha

 

Florets orange to reddish-orange or saffron. Capitula broadly ovoid to conical ovoid, 3-4 cm long, (5-) 6-8 cm across. Phyllaries not glandulose, indistinctly spinulose or prolonged into a sharp but not yellow spines at the margins. Cypselas ca 4 mm wide. 

 

 

 

3. C. tinctorius

 
 
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