Geographical variation and successive adaptive radiations of yellow-flowered Teucrium (Labiatae) in the mediterranean region.(Statistical Data Included) From: The Botanical Review | Date: April 1, 2002| Author: Navarro, Teresa; Oualidi, Jalal El; Puech, Suzette | COPYRIGHT 2002 New York Botanical Garden. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan.  All inquiries regarding rights should be directed to the Gale Group.Copyright information

Study of the geographical variation of yellow-flowered Teucrium sect. Polium species using morphological, chemical, and cytological analyses shows that the group of North African taxa is both differentiated from the European group and homogeneous with it. It displays stable vegetative and floral characters that are common to all the taxa. The essential differences concern the indumentum structure and the habit of the plants. The diversity of environments has enhanced the expression of succe...

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Geographical variation and successive adaptive radiations of yellow-flowered Teucrium (Labiatae) in the mediterranean region.(Statistical Data Included) The Botanical Review ; II. Introduction The section Polium (Mill.) Schreb. is morphologically the most diversified of the seven sections subdividing the genus Teucrium (Labiatae) (Bentham, 1832-1836; Willkomm & Lange, 1870; Boissier, 1879; Briquet, 1891; Lazaro I., 1896; Kastner, 1989). It alone includes more than

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