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Published In: Archives de Botanique 2: 330. 1833. (Arch. Bot. (Paris)) Name publication detail
 

Project Name Data (Last Modified On 5/22/2022)
Acceptance : Accepted
Project Data     (Last Modified On 1/14/2021)
Contributor Text: M. Qaiser, Abdul Ghafoor & Roohi Abid
Contributor Institution: Centre for Plant Conservation, University of Karachi – PAKISTAN
Synonym Text:

Vladimiria Iljin. in Sovetsk. Bot. 1939(8): 55. 1959; Mazzettia Iljin. in Not. Syst. Herb. Inst. Bot. Acad. Sci. URSS 17: 443. 1955.


 

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Perennial, unarmed, mostly acaulescent rarely caulescent (short stemmed) herbs. Leaves mostly in rosettes, sometimes cauline when caulescent. Capitula mostly solitary or many in leaf rosettes, terminal, usually substended by linear, herbaceous leafy bracts. Involucre campanulate, phyllaries multiseriate, imbricate. Receptacle usually flat, alveolate, naked or the margins of alveolae with short cartilaginous protuberances. Corolla purplish red to pale purple, usually gland‒dotted. Anthers caudate with lacerate tails. Cypselas tri‒tetragonous, with an apical rim having a distinct umbo. Papus multiseriate, bristles mostly scabrid or shortly plumose, united basally into a ring, dispersed as a whole unit.

A small genus with c. 13 species mostly concenterated in China, Pakistan, N. W. India to eastern Himalayas, Nepal and Myanamar. Represented in Pakistan by two species.

 

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Capitula obconical‒ovoid 1.0‒2.5 cm across; peduncle (3‒) 7‒10 cm long. Phyllaries thick, coriaceous; outer ones ovate, acute 8‒12 mm long; innermost 18‒20 mm long, 1‒2 mm wide. Corolla 17‒20 mm including 9‒10 mm long tube and 8‒9 mm long limb; limb almost equalling the corolla tube. Style eglandular.

 

 

 

 

 

1. D. macrocephala

 

                    Capitula campanulate‒oblong, 2.5‒3.5 cm across, sessile. Phyllaries thin, herbaceous; outer ones lanceolate, acuminate 15‒16 mm long; innermost 28-32 mm long, 4‒6 mm wide. Corolla 28‒32 mm long including 19‒22 mm long tube and 9‒10 mm long limb; limb 2 or more times shorter than the corolla tube. Style glandular.

 

 

 

 

 

2. D. megacephala

 
 
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