Capillitial extrusion from fruits of Maxillaria nardoides (Orchidaceae: Maxillariinae)
Guardat en:
| Autors: | , , , |
|---|---|
| Format: | revista divulgativa |
| Data de publicació: | 2006 |
| Descripció: | The fruits of Maxillaria nardoides are fusiform, 1–1.2 × 0.3 cm. Upon dehiscence, six valves separate completely at the apex, and a long cylindric mass (up to 6.5 cm long × 3 mm in diameter) of white hygroscopic trichomes (elaters) is extruded along with the seeds. This capillitium hangs limply from the fruit with its base clamped by the three placentiferous valves that fold longitudinally upon dehiscence. The seeds are forcefully ejected from the capillitium as the elaters unwind and recoil. This long extrudable capillitium appears to be unique among the Orchidaceae. Its potential adaptive value is discussed. |
| Pais: | Kérwá |
| Institution: | Universidad de Costa Rica |
| Repositorio: | Kérwá |
| Idioma: | Inglés |
| OAI Identifier: | oai:kerwa.ucr.ac.cr:10669/85875 |
| Accés en línia: | https://www.aos.org/about-us/orchids-magazine.aspx https://hdl.handle.net/10669/85875 |
| Paraula clau: | Carpology Fruit structure Seed dispersal Orchidaceae Maxillariinae ORQUIDEAS - INVESTIGACIONES ORQUIDEAS - ANATOMÍA VEGETAL TAXONOMÍA BOTÁNICA |