“…In Tilliandsioideae, trichomes are highly absorptive across the entire leaf surface, whereas in Bromelioideae there is evidence to suggest that trichomes on the leaf sheath, frequently inundated by tank water, are more absorptive than those that occur at lower density on the exposed leaf blade (Benzing, 1970;Benzing et al, 1976). Sakai & Sanford, 1980;Brighigna et al, 1988;Owen, Benzing & Thomson, 1988;Papini et al, 2010). Sakai & Sanford, 1980;Brighigna et al, 1988;Owen, Benzing & Thomson, 1988;Papini et al, 2010).…”