Carnegie Institution of Washington Publication

Carnegie Institution of Washington Publication

4.11 - 1251 ratings - Source

Heads heterogamous, marginal flowers pistillate, disk-flowers hermaphrodite; receptacle glabrous or pubescent. ... 47) a#39; Key to the North American Species of Arlemisia. ... Stems woody (decidedly so in the only native species, less woody in the 2 introduced ones); leaves mostly dissected into filiform ... Foliage not tomentose beneath but silvery-canescent, villous, or labrous; stems 6 dm. or less high.

Title:Carnegie Institution of Washington Publication
Publisher: - 1923

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