Hastula

from Wikipedia, the free encyclopedia

As Hastula is in palm trees and fan palms a flange or collar-like tissue flap Denoted at the point of attachment of the leaf blade at the petiole is seated. The hastula can be formed on the underside, top or both sides of the leaf.

supporting documents

  • John Dransfield, Natalie W. Uhl, Conny B. Asmussen, William J. Baker, Madeline M. Harley, Carl E. Lewis: Genera Palmarum. The Evolution and Classification of Palms. Second edition, Royal Botanic Gardens Kew, 2008, ISBN 978-1-84246-182-2 , p. 661.