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Cusset, C. (1997) Podostemaceae Flora Zambesiaca 9(2)
Submerged, annual or perennial, freshwater herbs, firmly fixed to rock substrate in cataracts and spray at edges of waterfalls. Basal part thalloid, ribbon-like, branched, bearing moss-like shoots which vary greatly from abbreviated flowering shoots to long leafy stems. The abbreviated flowering shoots comprise 2 or more short leafy sterile branches terminated by a solitary flower. Leaves small, along the stems, sessile, entire or divided. Flowers terminal and/or axillary, each subtended by 2 scarious bracts longer than the leaves; spathella absent. Perianth segments (tepals) 3. Fruit capsule ovoid, ribbed. Seeds small, numerous. Worldwide: Two species, one pantropical, the other native to Australia. Zimbabwe: 1 taxon. |
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Species | FZ divisions | Content |
trifaria (Bory ex Willd.) Spreng. | N,W,C,S |
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