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Published In: Flora Unionis Rerumpublicarum Sovieticarum Socialisticarum 29: 388. 1964. (Fl. SSSR) Name publication detailView in Biodiversity Heritage Library
 

Project Name Data (Last Modified On 5/13/2022)
Acceptance : Accepted
Project Data     (Last Modified On 8/9/2020)
Contributor Text: Sultanul Abedin
Contributor Institution: Centre for Plant Conservation, University of Karachi – Pakistan
Synonym Text:

Ixeris (unranked) Ixeridium A. Gray, Mem. Amer. Acad. Arts, n. s. 6: 397. 1858.


 

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Perennial, mostly rosulate herbs with ascending or procumbent to erect, branching from base or above. Leaves in a basal rosette or both cauline and  basal, petiolate to subsessile pinnately dissected or undivided with serrate to entire margins. Capitula 5-16 (-more?)-flowered, few to many, erect, borne in corymb-shaped synflorescence. Involucre narrowly cylindrical, usually 4.5 – 8 mm long. Phyllaries multiseriate, narrowly membranous-margined,  outer ones few, very small, inner ones 5 to 8, linear-lanceolate,  equal. Receptacle naked. Florets yellow or some shade of yellow. Cypselas pale brown to brown, mostly ± fusiform, somewhat compressed, with 5 principal ribs alternating with narrow to ± equal secondary ribs with U-shaped space between them, apically attenuate into a short slender beak and antrorse acute papillae. Pappus setae yellowish to straw-colored or white, scabrid.

A small genus comprising c. 13 species (Mabberley, 2008), distributed from Pakistan eastward to East and SE Asia. Represented in Pakistan by the following species.

 
 
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