Sonchus arvensis from Delhi

[Gurcharan Singh]

Another reference to Sonchus is photographs uploaded by Suresh C. Sharma. 

http://groups.google.co.in/group/indiantreepix/browse_thread/thread/3af05036273df5c7/963e9ab25ea825fa?lnk=gst&q=Sonchus#963e9ab25ea825fa

this was identified by Garg ji as S. oleraeous and appears as such in the database. To me this looks like S. arvensis. I am uploading the photographs of Sonchus arvensis

Date/Time- January 12, 9 a m

Location- Place, Altitude, GPS- Herbal Garden Garden, Rajouri Garden, Delhi 213 asl

Habitat- Garden/ Urban/ Wild/ Type-  Waste places

Plant Habit- Tree/ Shrub/ Climber/ Herb-  Perennial her

Height/Length- upto 1.5 m tall

Leaves Type/ Shape/ Size- basal rossete, upper alternate, pinnately lobed

Inflorescence Type/ Size- Ligulate capitulum, on long peduncle

Flowers Size/ Colour/ Calyx/ Bracts- Head about 2.5 cm across, involucre bracts glandular hairy

Fruits Type/ Shape/ Size Seeds- Cypsella, dark brown, pappus hairs white.

Other Information like Fragrance, Pollinator, Uses etc.-

--
Dr. Gurcharan Singh
Associate Professor
SGTB Khalsa College, University of Delhi, Delhi-110007
Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018.
Phone: 011-25518297  Mob: 9810359089
http://people.du.ac.in/~singhg45/