Menonvillea rollinsii (Brassicaceae), a new shrubby species from Chile
1990; Arnold Arboretum of Harvard University; Volume: 71; Linguagem: Inglês
10.5962/bhl.part.24929
ISSN2474-3283
AutoresIhsan A. Al‐Shehbaz, Clodomiro Marticorena,
Tópico(s)Mediterranean and Iberian flora and fauna
ResumoMenonvillea DC. is a genus of thirty species distributed primarily in the drier portions of northern and central Chile and the adjacent provinces of Argentina.The range of the genus extends southward into Patagonia, and of the eight species that grow there, only M. nordenskjoeldii (Dusen) Rollins reaches as far south as Prov.Santa Cruz, Argentina, and Region Magallanes y Antartica Chilena (Boelcke & Romanczuk, 1984).Seventeen species are restricted to Chile and eight to Argentina, while five grow in both countries (Rollins, 1955).Most species of MenonviUea are perennials with either an unbranched caudex or a deep, fleshy or woody, much-branched, rhizomelike caudex.About eight species are annuals, and two th< rs 1/ linearis D( and M. pituiaiifida Barneoud, are annuals that sometimes perennate under favorable conditions.From the underground caudex.all of the perennial species annually produce new herbaceous stems that bear flowers and fruits and then die at the end of the
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