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Cabomba schwartzii
Species of aquatic plant From Wikipedia, the free encyclopedia
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Cabomba schwartzii is a species of aquatic plant in the family Cabombaceae endemic to North Brazil.[1]
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Description
Vegetative characteristics
Cabomba schwartzii is an aquatic herb.[2] The length of the stems depends on the water level.[3] The stems have two vascular bundles.[2] The elliptical or orbicular, peltate, petiolate floating leaves are 1.5—3.8 cm long, and 1.0—2.5 cm wide. The adaxial leaf surface is purple. The petiole is 1—3 cm long.[4]
Generative characteristics
The yellow flowers emerge above the water surface.[4] The 2-3 sepals are 6.0–8.0 mm long, and 2.5–3.0 mm wide. The 2-3 petals are 6.5–8.0 mm long, and 2.5–3.0 mm wide.[5] The androecium consists of 2,[4][6] 3, 4, 5, or 6 stamens.[5][2] The gynoecium consists of 1,[2][4][6] or 2 carpels.[7] The seeds are 1.5–2.2 mm long, and 1–1.2 mm wide.[2]
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Taxonomy
Cabomba schwartzii Rataj was published by Karel Rataj in 1977.[4][1] It was then treated as a synonym of Cabomba aquatica Aubl. by Marian Ørgaard in 1991.[7][8] It was reestablished by Barbosa et al. in 2018.[5] The type specimen was collected by T. W. Schwartz in Igarapé do Aduja, Rio Itu, Rio Negro, Brazil.[4]
Ecology
Habitat
It occurs sympatrically with Cabomba furcata,[3] Nymphaea, Utricularia, and Mayaca.[9]
Pollination
Flies and bees visit the flowers of Cabomba schwartzii.[3]
References
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