Matricaria
L.
Herbs, annual or perennial. Leaves alternate, 2-3-pinnatisect. Heads solitary,
terminal, sometimes corymbose, rayed (rarely disciform), hemispheric. Involucral bracts few-seriate, appressed, margins usually scarious brown, outer shorter. Receptacle naked.
Ray florets female, fertile or sterile; ligule white. Disc florets hermaphrodite, fertile,
tubular, terete or 2-edged; limb 4-5-fid. Anther bases obtuse, entire. Style arms of
hermaphrodite florets with truncate and penicillate tips. Achenes oblong, often incurved,
faces glandular or rugulose, truncate, dorsally convex and ribbed or not, ventrally 3-5-ribbed. Pappus very short, coroniform, dimidiate or absent.
Europe, N. and S. Africa, Asia and America; ca 60 species, 2 in India.
Literature. JEFFEREY, C. (1979). Notes on the lectotypification of the names of Cacalia L., Matricaria L., and Gnaphalium L. Taxon 28 (4): 349 - 351.
Europe, N. and S. Africa, Asia and America; ca 60 species, 2 in India.
Literature. JEFFEREY, C. (1979). Notes on the lectotypification of the names of Cacalia L., Matricaria L., and Gnaphalium L. Taxon 28 (4): 349 - 351.
KEY TO THE SPECIES
1a. Heads 1.2 - 2 cm in diam.; ligule 0.8 - 1.5 cm long | 2. Matricaria recutita |
b. Heads ca 8 mm in diam.; ligule hardly 2 - 3 mm long | 1. Matricaria disciformis |