Entry for POTAMOGETON Preussii Arth. Bennett. [family POTAMOGETONACEAE]
Entry From
Flora of Tropical Africa, Vol 8, page 215, (1902) Author: (By C. H. Wright.)
Distribution
Cameroons Upper Guinea Preuss, 451! Staudt, 462!Eritrea Nile Land in the Gorge of Degerra, near Saganeita, 7200 ft., Schweinfurth & Riva, 896!Abyssinia Nile Land near Adowa, Schimper, 179! Amba Sea, Schimper, 570! Shireh Province, Quartin-Dillon & Petit, 571!
Notes
Schweinfurth refers his 896 to P. pusillum, and also 769 (collected at Acrur in Eritrea), which I have not seen. This plant has been named P. javanicus, Hassk., but its affinities are with P. Hillii, Morong, and P. acutifolius, Link, on the one side, and P. foliosus, var. californicus, Morong, on the other; more remotely (in foliage only) with P. javanicus, Hassk. A specimen in herb. Boissier. (Yemen, Arabia, Deflers) may be referred here, but the material is poor.