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Cusset, C. (1997) Podostemaceae Flora Zambesiaca 9(2)
Submerged, annual or perennial, herbs, growing firmly attached to rocks in swift-flowing water, often resembling mosses, liverworts or algae. Stems well-developed, floating, often woody. Leaves with floating, often linear to filiform, dissected laminae and/or with small moss-like or reduced and bract-like ones. Flowers bisexual, solitary or cymose, actinomorphic or zygomorphic. Spathella present and persistent (Sphaerothylax) or 0 (Tristicha). Perianth segments 2-3 or 0. Stems 1-many. Ovary 1-3-locular. Fruit a septicidal capsule. Seeds minute, numerous. Worldwide: 47 genera and 280 species, mainly tropical (especially America and Asia) with a few temperate. Botswana: 1 genus and 2 taxa. |
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Inversodicraea Engl. ex R.E.Fr. | Description, Image |
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