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Aquatic Plants

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Yellow Ottelia - Ottelia ulvifolia

Utricularia gibba (Bladderwort)               Family: Lentibulariaceae This is an aquatic, carnivorous herb. The roots are sometimes free floating. The long, grass-like leaves grow on the water surface. Flowers are golden-yellow and flower year round. The roots have bladders that trap small insects. The bladders are under negative pressure and prey, brushing past the roots, set off the trapdoors sucking the animal into …

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Lemna-aequinoctialis-Duckweed

Duckweed - Lemma aequinoctialis

Distribution: This plant is indigenous to Israel and Egypt but has spread across most of the tropical and sub-tropical world. However it is far less invasive than Salvinia molesta Habitat: Duckweed is often found in temporary rainwater pans in northern Botswana.

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Ottelia ulvifolia

Yellow Ottelia - Ottelia ulvifolia

Distribution: Yellow Otellia is a reasonably common plant in the upper and central Okavango Habitat: Otellia prefers the permanent and semi-permanent fast flowing waterways of the Okavango. What a safari guide should know about this plant: The liquid from the spathe is used by local people as eye-drops.

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Persicaria limbata Knot Weed

Knot Weed - Persica limbata

Distribution: Around permanent water in northern Botswana. Knot Weed is a common flowering plant of the Okavango Delta and a species that safari guides operating here should know well. Habitat: It grows along permanent and semi-permanent channels amongst other vegetation.

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Utricularia stellaris

Utricularia stellaris

This carnivorous aquatic plant feeds on microscopic organisms trapped by the root system

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Caldesia parnassifolia

Caldesia parnassifolia

Caldesia is a relatively common plant in the more permanent waters of the Okavango Delta.

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