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Published In: Species Plantarum 2: 805. 1753. (1 May 1753) (Sp. Pl.) Name publication detailView in BotanicusView in Biodiversity Heritage Library
 

Project Name Data (Last Modified On 5/12/2022)
Acceptance : Accepted
Project Data     (Last Modified On 8/9/2020)
Contributor Text: A. Ghafoor & S. Abedin
Contributor Institution: Centre for Plant Conservation, University of Karachi – Pakistan
Synonym Text:

Hieracioides Vaill. in  Königl. Akad. Wiss. Paris Phys. Abh. 5: 712. 1754; Hieracioides Fabr., Enum. 68. 1759;  Barkhausia Moench., Meth. 537. 1794; Aracium Neck., Elem. Bot.: 54. 1794; Berinia Brign., Fasc. Rar. Pl. 29. 1810; Pterotheca Cass. in Bull. Sci. Soc. Philom. Paris 1816: 200. 1816; Phaecasium Cass. in Cuvier, Dict. Sci. Nat. 39: 387. 1826; Pavlov, Fl. Kazakh. 9: 549. 1966; Limnoseris Peterm., Fl. Lips. Excurs. : 589. 1838; Hieracioides Kuntze, Rev.  Gen. 1: 345. 1891 nom. illeg.


 

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Annual to  perennial, rhizomatous herbs with leafy or leafless, simple or branched stems and shoots. Leaves variable, in basal  rosettes or not, unlobed to variously lobed to bipinnatifid, gradually reduced in size upwards, uppermost rather bract like, alternate. Capitula few to many-flowered, erect, mediocre to large, borne  in corymb-like, racemiform or paniculate synflorescence, homogamous, ligulate. Involucre narrow, cylindrical to campanulate. Phyllaries multiseriate, outer ones somewhat imbricate, gradually longer inwards but shorter than the subequal, linear-lanceolate, externally simple or glandular hairy or rarely appressed arachnoid inner phyllaries. Receptacle usually naked, sometimes paleate. Florets with striate or estriate, yellow, sometimes reddish or  pinkish purple or white ligules but not in our area. Anthers appendaged. Style branches filiform or truncate. Cypselas cylindrical or sometimes subcylindrical, fusiform, 10-20- ribbed, ribs finely spinulose to glabrous or smooth,distinctly attenuate at  beakless or beaked apices. Pappus soft to somewhat rigid, straight or entangled like cotton hairs, 1-4-seriate, white to yellowish or dark brown, persistent or deciduous-caducous.

A medium-sized genus consisting of about  200 plus species (Mabberley, 2008), chiefly found  in temperate and subtropical Europe, and Asia, some in North and Central Aftica and North America and one each in S. Africa and S. America. Represented in Pakistan by  7 species.

Crepis L. is best distinguished from Hieracium by its long and short rows of phyllaries which form the shape of a cup and saucer.

 

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1.

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Perennial herbs with vertical or horizontal rhizome or rootstock.

 

 

2

 

Annual herbs without rhizome or rootstock.

 

 

4

2.

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Corolla tube apically glabrous. Style branches black or dark brown. Pappus 7 – 8 mm long.

 

 

 6. C. kashmirica

 

Corolla tube apically hairy. Style branches yellow. Pappus 4 – 6 mm long.

 

3

3.

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Stem glabrescent to glabrous. Involucre 8 – 10 mm long, 4 – 5 mm wide. Basal leaves 3-4 times  as long as  their width. Pappus 5 – 6 mm long.

 

 

 

 

1. C. aitchisonii

 

Stem sparsely glandular hairy to glabrous. Involucre 7 – 9 mm long, 2.5 – 3 mm wide. Pappus c. 4 mm long.

               

 

 

5. C.multicaulis

4.

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Capitula with 13-15 florets. Cypselas monomorphic or central ones a little  smaller.

 

 

 

2. C. pulchra

 

Capitula with more than 15 florets. Cypselas mono-di-or trimorphic.

 

 

5

5.

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Receptacle ciliate. All cypselas beakless and trimorphic.

 

 

7. C. sancta

 

Receptacle glabrous. All cypselas beaked or only central ones beaked, dimorphic.

 

 

6

6.

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Both outer and central cypselas beaked, inner one straw-coloured.

 

 

4. C. kotschyana

 

Outer cypselas beakless, central ones beaked, brown.

               

 

3. C. thomsonii

 
 
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