Overview
Herbs, young vegetative parts often with rust-colored pubescence, barely mucilaginous. Leaves submersed and floating; petiole short to long. Submersed leaves: blade in 3-7 dichotomously [trichotomously] branched, linear segments. Floating leaves: blade terminal, linear-elliptic [broadly elliptic], margins entire or notched at base, appearing only during flowering, inconspicuous [more evident in C. aquatica, a tropical species]. Flowers: sepals 3, petaloid, obovate; petals 3, oval, with proximal, yellow, nectar-bearing auricles, base clawed; stamens 3-6, opposite petals; pistils [1-]2-4, simple, 1-locular; ovules [1-]3[-5]; stigma capitate. Fruits elongate-pyriform, tapered to apex. Seeds ovoid [somewhat globose], tuberculate. x = 13.
Species 5: mostly tropical regions, Western Hemisphere.[1]
Photos
Taxonomy
The Genus Cabomba is further organized into finer groupings including:
- Species: ZipcodeZoo has pages for 22 species, subspecies, varieties, forms, and cultivars in the Genus Cabomba: C. aquatica · C. aubletii · C. australis · C. caroliana · C. caroliniana (Carolina Fanwort) · C. caroliniana A.Gray var. caroliniana Gray · C. caroliniana var. caroliniana · C. caroliniana var. flavida (Carolina Fanwort) · C. caroliniana var. paucipartita · C. caroliniana var. pulcherrima · C. caroliniana var. pulcherrrima · C. furcata (Forked Fanwort) · C. haynesii (Fishgrass) · C. palaeformis · C. peltata · C. piauhiensis · C. piauhyensis f. albida · C. pinnata · C. pubescens · C. schwartzii · C. viridifolia · C. warmingii
Bibliography
- Fassett, N. C. 1953. A monograph of Cabomba. Castanea 13: 116-128.
- O/rgaard, M. 1991. The genus Cabomba (Cabombaceae)--A taxonomic study. Nordic J. Bot. 11: 179-203.
Footnotes
- "Cabomba". in Flora of North America Vol. 3. Oxford University Press. Online at EFloras.org.
Sources
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