rheophyten.

1899 C. MacMillan in Bull. Torrey Bot. Club 26 279 I think that plants which are adapted to life in strong tide-ways and tide-rips should be distinguished as a special ecological sub-class of hydrophytes distinct from such plants as Fontinalis which grow in river-channels and may be termed rheophytes.

1932 Bull. Jard. Bot. Buitenzorg 3rd Ser. 12 201 I draw the attention towards the remarkable fact that the leaves of Neonauclea rheophila and Nauclea angustifolia agree entirely with those of other well-known rheophytes.

1982 New Phytologist 92 331 Some land plants are facultative rheophytes, and those that are bound to the habitat most often have close allies away from the river beds.

2006 M. Ingrouille & B. Eddie Plants (ed. 2) vi. 255 The riverweeds (Podostemaceae) are obligate rheophytes, and resemble aquatic mosses, liverworts and even marine algae.

1952 Proc. Royal Soc. Queensland 62 64 The leaves of the rheophytic members of a genus are reduced by comparison with allied species.

1969 Kew Bull. 23 283 A rheophytic habit is frequent in the genus.

2001 Ann. Bot. 88 1189/2 The so-called ramuli in the rheophytic Indotristicha ramosissima (Podostemaceae) are photosynthetic appendages along the stem.