author: george arnott walker arnott

The British Flora: Comprising the Phaenogamous Or Flowering Plants, and the Ferns

... leaves ternate , leaflets lan- ceolate lobed and cut , involucre similar to them petiolate , stem single - flowered , sepals 6 elliptical , point of achenes not feathery . E. B. ... autumn . Leaves thrice compound , with linear segments ...

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