FIGURE 7 in Louteridium (Acanthaceae: Acanthoideae: Ruellieae: Trichantherinae): Taxonomy, Phylogeny, Reproductive Biology, and Conservation

FIGURE 7. Seeds of Louteridium. A. L. donnell-smithii (Breedlove & Bourell 68070). B. L. brevicalyx (Daniel & Steinmann 11913). C. L. brevicalyx in water (Daniel & Steinmann 11913). D. L. dendropilosum (Daniel et al. 11784). E. L. chartaceum (Daniel & Butterwick 5905). F. L. chartaceum (Daniel & Butterwick 5905) in water. G. L. mexicanum (Wendt et al. 3614). H. L. parayi (Breedlove 28970). I. L. purpusii (Breedlove & Smith 31613). J. L. chartaceum (Daniel & Butterwick 5905), detail of dry seed. K. L. chartaceum (Daniel & Butterwick 5905), detail of seed in water. All scales = 1 mm.