A N F Keys
1 Perennial herb 40−100 cm tall; basal and lower cauline leaves 30−200 mm long; calyx a collar of 15−18 reddish bumps later unfurling; corolla tube and throat 7−9 mm long, spur 4−6 mm long .. Centranthus ruber [pics]
1' Annual to 35 cm tall; lacking basal leaves, cauline leaves to 25 mm long; calyx absent; corolla tube and throat < 2.5 mm long, spur to 1 mm long .. Plectritis ciliosa [pics]
The text of the above keys used with permission from
A Naturalist's Flora of the Santa Monica Mountains and Simi Hills, California
© Copyright
Barry A. Prigge and Arthur C. Gibson
2013