A New Lightweight-Wooded Species of Anaxagorea (Annonaceae) from Flooded Black-Water Shrublands in Southern Venezuela

Paul E. Berry, Regis B. Miller, Alex C. Wiedenhoeft
1999 Systematic Botany  
Anaxagorea inundata P. E. Berry & R. B. Miller is a distinctive new species from the blackwater Río Atabapo basin in southern Venezuela. It is adapted to its strongly flooded habitat by producing very lightweight wood (specific gravity <0.2) and just a few leaves and flowers near the tips of the unbranched or few-branched stems. It appears to be most closely related to A. rheophytica Maas & Westra, also from a black-water river in southern Venezuela. An illustration of morphological features
more » ... logical features and photomicrographs of the wood anatomy are provided.
doi:10.2307/2419639 fatcat:cpzgra6msfgnxa3j4kbbdztzha