Another protea with beautiful flowers, Obtusa obtusifolia, commonly known as Limestone Sugarbush, differs from P. cynaroides in broader short-petioled leaves with obtuse apex, smaller heads (ca 10 cm across, as against up to 20 cm), erect inner bracts (as against spreading). Photographed from San Francisco Botanical Garden, 2-6-2019.
Dr. Gurcharan Singh
Retired Associate Professor
SGTB Khalsa College, University of Delhi, Delhi-110007
Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018.