Contributions to the morphology, anatomy, and karyology ofRhabdodendron, and a reconsideration of the systematic position of theRhabdodendronaceae
- 1 January 1976
- journal article
- Published by Springer Science and Business Media LLC in Österreichische botanische Zeitschrift
- Vol. 125 (4), 195-222
- https://doi.org/10.1007/bf00996238
Abstract
Rhabdodendron macrophyllum (Spruce ex Benth.)Huber andR. amazonicum (Spruce exBenth.)Huber differ in several anatomical and morphological characters (secretory cavities, hypoderm, peltate hairs, internodal region and petiole). A position of the monotypicRhabdodendronaceae in theCentrospermae as recently suggested is hardly supported: Peltate hairs, lysigenous secretory cavities and spicular cells in the leaves, multilacunar nodes, chromosome number (R. macrophyllum: n = 10; first count for the genus resp. family), ± simultaneous (or slightly centripetal) development of the androeceum, anacrostyly and two ovules in the unicarpellate gynoeceum, apparent disc, monotelic racemes, and data available from literature (pollen, sieve tube plastids) clearly indicate a close affinity toRutaceae, and even make the family rank ofRhabdodendron questionable.Keywords
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