Create your own conference schedule! Click here for full instructions

Abstract Detail

Tropical Biology Section

Contreras, Natalia [1], Navas, Alfredo [2], Madriñán, Santiago [3].

Architecture of three Lupinus life forms in the Colombian Andes.

The Andean uplift led some plant groups to fast radiations as it represented new and heterogeneous habitats for potential colonization. Lupinus is one of the genera presenting a rapid radiation along the Andes, comprising about 85 species. This clade displays a variety of life forms (growth habits), which in combination with other adaptive strategies help the plant in dealing with tropical high elevation environments. Many studies and descriptions of the architecture in crop species of Lupinus have been performed seeking for a better yield. However, life form variation remains poorly documented or undocumented for non cultivated species. Here we describe and look for the principal differences in the architecture of three life forms of Lupinus found in the Colombian Andes. The life forms analyzed were erect shrub, prostrate shrub and basal acaulescent rosette. Although, Leeuwenberg’s Model is maintained for Lupinus along the different growth habits, some architecture patterns vary between them. Branching tends to be basitonic in prostrate shrubs, mesotonic in erect shrubs and acrotonic in the basal acaulescent rosette. A balance between vegetative and reproductive growth is also observed. The less orders of ramification the denser the inflorescence, as in the basal acaulescent rosette, in contrast with the very ramified prostrate shrubs with simpler inflorescences. These growth patterns are then the response not only to the genetic background of the group, but also to the environment to which they have adapted.

Broader Impacts:

Log in to add this item to your schedule

Related Links:
Laboratorio de Botánica y Sistemática

1 - Universidad de los Andes, Laboratorio de Botánica y Systemática, Apartado Aéreo 4976, Bogotá, DC, 00001, Colombia
2 - Vivero Caraipa, Carrera 5 25C 50, Bogotá, DC, 00001, Colombia
3 - Universidad de los Andes, Laboratorio de Botánica y Sistemática, Apartado Aéreo 4976, Bogotá, DC, 00001, Colombia

plant architecture
life form

Presentation Type: Poster:Posters for Sections
Session: P
Location: Grand Salon A - D/Riverside Hilton
Date: Monday, July 29th, 2013
Time: 5:30 PM
Number: PTB003
Abstract ID:428
Candidate for Awards:None

Copyright © 2000-2012, Botanical Society of America. All rights reserved