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Published In: Analyse des Familles des Plantes 31. 1829. (Anal. Fam. Pl.) Name publication detailView in Biodiversity Heritage Library
 

Project Name Data (Last Modified On 1/3/2012)
Acceptance : Accepted
Project Data     (Last Modified On 1/3/2012)
Contributor Text: M. Qaiser and Rubina Abid
Contributor Institution: Federal Urdu University of Arts, Science & Technology, Karachi.

and

Department of Botany, University of Karachi, Karachi-75270

General/Distribution: A medium sized tribe with 76 genera and c. 970 species, pantropical in distribution mainly concentrated in South and Central America, West Indies, Southern North America, tropical and South Africa, Madagascar, tropical, Central and East Asia, Hawaiian Islands and Australia

In Pakistan it is represented by 6 genera and 9 species.

Comment/Acknowledgements: Panero & Funk in Proc. Biol. Soc. Wash. 115: 909-922 (2002) placed the genus Dicoma in a separate tribe Dicomeae whereas the genera Ainsilaea and Pertya are included in a different tribe Pertyeae on the basis of sequencing chloroplast DNA marker. However, in the present treatment these genera are retained under the tribe Mutisieae following previous workers including K. Bremer, Asteraceae, Clad. & Class. 1994 and D. J. N. Hind in Kadereit & C. Jeffrey, Fam. & Gen. Vasc. Pl. 8. 2007.

 

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Herbs, shrubs or trees. Leaves alternate or in basal rosettes, entire to dentate-lobed or pinnatisect. Capitula of various types, homogamous, discoid or heterogamous, radiate or disciform. Phyllaries 2-multiseriate, chartaceous or sometimes herbaceous. Receptacle usually epaleate, rarely paleate. Rayl florets if present usually bilabiate with an expanded limb, rarely without adaxial lobes, perfect, female or neuter, sometimes with inconspicuous, female marginal florets in disciform capitula. Disc florets 4-5-lobed or bilabiate, perfect or functionally male or female. Anthers calcarate, caudate, tails branched, endothecial tissues generally of elongate cells, polarized, filament collar much swollen or obsolete, styler branches rather short with acute or obtuse hairs or glabrous, or papillose or pilose dorsally and apically, sometimes apically penicillate and truncate. Cypselas oblong-obovoid, ribbed. Pappus usually with bristles or sometimes scaly, bristles scabrid to barbellate or plumose, sometimes with additional scales or absent.
 

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1.
+  
Low growing shrubs. Leaves lanceolate, entire. Pappus bristles scabrid.
 
 
6. Pertya
 
Perennial herbs. Leaves not as above. Pappus bristly or scaly or sometimes absent but not scabrid when present.
 
 
 
2
 
2.
+
Capitula heterogamous radiate, solitary on long scape.
 
 
4
 
 
Capitula homogamous discoid, in clusters or if solitary then not on long scape.
 
 
3
 
3.
+
Phyllaries long acuminate, spine tipped. Pappus paleaceous.
 
 
2. Dicoma
 
 
Phyllaries neither acuminate nor spine tipped. Pappus bristles plumose.
 
 
1. Ainsliaea
 
4.
+
Scapes occurring twice a year, vernal form with chasmogamous capitula and autumnal form with cleistogamous capitula. Pappus setae finely barbellate or capillary.
 
 
 
 
 
4. Leibnitzia
 
Scapes occurring once a year with chasmogamous capitula. Pappus setae coarsely and densely barbellate.
 
 
5
 
5.
+
Capitula generally hemispherical. Alveols of receptacle fimbriate-ciliate. Margin of the phyllaries (at least the upper part) often with reddish subglandular hairs. Cypselas hardly or indistinctly tapering, long villous (at least when mature), hairs very long, tapered, pointed, sericeous.
 
 
 
 
 
 
 
5. Uechtritzia
 
 
Capitula generally campanulate. Alveols of receptacle with entire margins (naked). Margins of phyllaries without reddish subglandular hairs. Cypselas tapering, pilose to subglabrous (-glabrous), hairs shorter, tapered ± pointed not sericeous.
 
 
 
 
 
 
3. Gerbera
 
 
 
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