| The wood anatomy of the tribe Dorstenieae sensu Berg is described. Similarities and differences are discussed in relation to his concepts of the taxonomy of the tribe. Wood anatomically the tribe Dorstenieae is fairly homogeneous, Dorstenia deviating most in the juvenilistic composition of its rays, and the small diameter and high frequency of its vessels. Bosqueiopsis differs from the other genera in the presence of fibre pits in the radial and tangential walls. Helianthostylis and Trymatococcus are highly similar. Brosimum shows a variation range exceeding that of the entire tribe. Nevertheless, individual species of Brosimum can often not be distinguished. The genera Brosimum, Helianthostylis, Trymatococcus, and Trilepisium are closely related. The... |
