Botanical name: Dichrocephala chrysanthemifolia Family: Asteraceae (Sunflower family)
Synonyms: Cotula chrysanthemifolia, Dichrocephala macrocephala, Dichrocephala oblonga
Mum-Leaf Buttonweed is an erect herb with branchlets radiating, bristly. Leaves are alternate, lyrate-pinnately cut, papery, 5 x 1.5 cm, margin deeply incised, base eared and stem-clasping. Flower-heads are borne in panicles at branch-ends, sparingly or copiously branched, lax. Flower-heads are spherical, 5 mm wide, heterogamous, disc-like, cream. Involucre is broadly bell-shaped, 1-2-seriate. Phyllaries about 10, lanceshaped. Outer florets pistillate, sub-radiate; inner florets bisexual. Pappus 0 in pistillate, and of 2 or 3 slender hairs in bisexual ones. Flowers (outer) are curved, 6 mm wide, subradiate; (inner) tubular, bell-shaped, 1 mm wide, 4-lobed. Stamens 5, included; anther base flat. Mum-Leaf Buttonweed is found in Tropical & Subtropical Old World. It is found in the Himalaya, up to altitudes of 2900 m.
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The flower labeled Mum-Leaf Buttonweed is ...