COMPLEX DISPERSAL STRATEGYIN PICRIS CUPULIGERA (ASTERACEAE, LACIDCEAE)

Daniel Petit

Article Details

COMPLEX DISPERSAL STRATEGYIN PICRIS CUPULIGERA (ASTERACEAE, LACIDCEAE)

Authors:

Daniel Petit

Publisher:

Université Saad Dahlab de Blida

Journal:

AGROBIOLOGIA Vol.3 Issue 1, pp.5-13

Document Type:

Article

Publication Date:

1/2013

Document Language:

English

Document ID (Org No.):

2001399560

pISSN:

2507-7627

Keywords:

Abstract:

 Picriscupuligera is an annual taxon of Lactuceae from NorthA:frica living mainly in arid. semi-arid and sub-humid areas and with mild winters. We describe three kinds of dispersal: epizoochory of capitules linked to their peduncles, anemochory of free central achenes of capitules, and barochory of peripheral achenes stuck to receptacle and involucral bracts. The proportion of each kind depends on the habitat, as zoochory is more important in open than in woodl and habitat. Anemochory is the earliest mode of dispersal as it happens as soon as the involucral bracts are dried out. Barochory occurs more progressively and last peripheral achenes are released independentlyuntil January.

Article Details

COMPLEX DISPERSAL STRATEGYIN PICRIS CUPULIGERA (ASTERACEAE, LACIDCEAE)

Authors:

Daniel Petit

Publisher:

Université Saad Dahlab de Blida

Journal:

AGROBIOLOGIA Vol.3 Issue 1, pp.5-13

Document Type:

Article

Publication Date:

1/2013

Document Language:

English

Document ID (Org No.):

2001399560

pISSN:

2507-7627

Zoochory

anemochory

barochory

bioclimatology

heterocarpy

Issues

Article Details

COMPLEX DISPERSAL STRATEGYIN PICRIS CUPULIGERA (ASTERACEAE, LACIDCEAE)

Authors: Daniel Petit

Publisher: Université Saad Dahlab de Blida

Journal: AGROBIOLOGIA Vol.3 Issue 1, pp.5-13

Document Type: Article

Publication Date: 1/2013

Document Language: English

Document ID (Org No.): 2001399560

pISSN: 2507-7627

Zoochory

anemochory

barochory

bioclimatology

heterocarpy

Issues

Authors:

Daniel Petit

Publisher:

Université Saad Dahlab de Blida

Journal:

AGROBIOLOGIA Vol.3 Issue 1, pp.5-13

Document Type:

Article

Publication Date:

1/2013

Document Language:

English

Document ID (Org No.):

2001399560

pISSN:

2507-7627