Vauquelinia

Vauquelinia californica

The Vauquelinia is a plant genus of the rose family ( Rosaceae ). It is named after the French chemist Louis -Nicolas Vauquelin ( 1763-1829 ).

Description

Vauquelinia are unbestachelte, evergreen shrubs or low trees. Its leaves are alternate, are simple, leathery, pinnately and serrated at the edge, stipules are present.

The inflorescence is a terminal, screen grapes similar compound grape that hermaphrodite flowers are fünfzählig. The flower cup is hemispherical, an outdoor cup is missing. The sepals are adjacent to each other, but do not come over each other to lie. The petals are white.

There are fifteen to twenty stamens. A discus is not recognizable. The five carpels are straight up with the flower cups, but together laterally, each subject there are two apotrope ovules.

The fruit is an opening laterally and downwardly Sammelbalgfrucht of five Einzelbälgen with a woody pericarp and two seeds. The chromosome number is 2n = 30,

Dissemination

Vauquelinia is found in the southern United States (Arizona, Texas, New Mexico) and Mexico. They settled full to semi-arid zones and chaparral at elevations up to 2700 meters, often on limestone soils.

System

The genus was first described in 1807 by Alexander von Humboldt and Aimé Bonpland. It is classified in the tribe Pyreae, Supertribus Pyrodae the subfamily Spiraeoideae. There are three main ways, including:

• Vauquelinia californica ( Torr. ) coffin.
• Vauquelinia corymbosa Humb. & Bonpl.

Evidence

• C. Kalkman: Rosaceae. In: Klaus Kubitzki (ed.): The Families and Genera of Vascular Plants - Volume VI - Flowering Plants - Dicotyledons - Celastrales, Oxalidales, Rosales, Cornales, Ericales. Springer -Verlag, Berlin 2004, pp. 354-355, ISBN 978-3-540-06512-8

• Rose Family
• Rosaceae