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Published In: Prodromus Systematis Naturalis Regni Vegetabilis 5: 285. 1836. (1-10 Oct 1836) (Prodr.) Name publication detailView in BotanicusView in Biodiversity Heritage Library

Project Name Data (Last Modified On 5/7/2022)
Acceptance : Accepted
Project Data     (Last Modified On 1/16/2022)
Contributor Text: Roohi Abid, M. Qaiser & Rubina Abid
Contributor Institution:

Centre for Plant Conservation, University of Karachi – Pakistan


Department of Botany, ‎University of Karachi, Karachi

Synonym Text:

Erigeron mucronatus DC., Prodr. 5: 285. 1836.


 Fl. Per.: March–November


Type: Mexico, Capulalpan, Karwiniski s. n. (Iso–P). 


N. & S. America, India, China, Pakistan, Nepal, Bhutan and Africa.


 A native of C. and N. America, now widespread in pantropical and subtropical areas, grows as a weed after escaping from cultivation.

 This species is recorded for the first time from Pakistan.

Map Location:

B–7: Swat Distt.: Shangla Par, Swat, ± 6500 ft., 17.9.1976, Dilawer & Naeem Shah s. n. (K); B–8/9 Kashmir, 10. 1848, T. Thomson s.n. (K).


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Perennial herbs, 20–45 (–100) cm tall. Stem procumbent – ascending or erect, densely branched, branches angular, slender, forming interlaced mats, often with purple ting, sparsely strigose – glabrous, eglandular. Basal leaves withering at anthesis or absent; lower leaves elliptic –obovate or oblanceolate, on ca 3 mm long, winged petiole, lamina, 2–4 (–5) cm long, 1.2–2.3 cm wide, 3–5 lobed on either side, acute, cuneate at the base, serrate – somewhat entire,  cauline leaves similar to lower leaves, 1–2.5 (–3) cm long, 0.5–1.5 cm wide, sparsely strigose–pilose, acute with a callose apex, upper most elliptic, 1–2 cm long, 0.2–0.4 cm wide, acute, sessile. Capitula axillary or terminal, solitary or 2–5 at the end of each branch, in lax panicles, 1–1.5 (–2) cm across. Involucre hemispheric – campanulate, 6–10 mm in diameter. Phyllaries 3–4–seriate, almost equal, outer ones 1.5–2 mm long, 0.5–1 mm wide, lanceolate–linear, acute–acuminate, inner phyllaries 3–4 mm long, 0.3–0.5 mm wide, linear, acuminate, membranous, erose. Ray florets white–pink, 6–8 mm long, corolla tube 1.5–2 mm long, flat or slightly coiled, bidentate. Eligulate female florets absent. Disc florets yellow, funnel–like, tube 1.5–2 mm long, limb 1.5–2 mm long including 0.3–0.5 mm long glabrous lobes, somewhat pilose at the tips. Cypselas 0.8–1.5 mm long, brown, oblong–ellipsoid, compressed, sparsely sericeous–strigose. Outer bristles of pappus ca 0.5 mm long, inner ones 2–3 mm long, white, barbellate. 

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