Cabomba caroliniana var. paucipartita

• Description
• Taxonomy
• Similar Species
• Bibliography
• More Info
• Notes

Description

Family Cabombaceae

Herbs perennial , aquatic . Stems slender, branched, rhizomatous , repent ; internodes at first elongate and apically floating, later erect , foliate , and shortened. Leaves dimorphic . Submersed leaves (Cabomba only), opposite or sometimes whorled , palmately dissected . Floating leaves alternate, peltate, entire . Flowers solitary, axillary from distal nodes, short to long pedunculate , bisexual , hypogynous, actinomorphic , borne at or above water surface; perianth persistent . Sepals 3, separate or nearly so. Petals 3, distinct , alternating with sepals. Stamens 3--36(--51), anthers dehiscent by longitudinal slits. Pistils 3--18, simple , obclavate or ventricose . Ovary 1-loculed; ovules 1--3, pendulous. Styles short. Stigmas capitate or linear-decurrent. Fruit achenelike or folliclelike, coriaceous , indehiscent. Seed endosperm little, perisperm abundant; embryo minute; cotyledons 2, fleshy .

Two genera and six species: tropical and temperate regions ; two genera and two species in China.Dezhi Fu & John H. Wiersema "Cabombaceae". in Flora of China Vol. 6 Page 119. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org.

Genus Cabomba

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."Cabomba". in Flora of North America Vol. 3. Oxford University Press. Online at EFloras.org.

Taxonomy

Notes

Publishing author : J.D.van Ramshorst & Florsch. Publication : Meded. Bot. Mus. Herb. Rijks Univ. Utrecht no. 136: [342] 1956

Similar Species

Members of the genus Cabomba

There are approximately 22 species in this genus:

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

• Kuan Ke-chien. 1979. Nymphaeaceae subfam. Cabomboideae. Fl. Reipubl. Popularis Sin. 27: 56.
• 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.

More Info

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Notes

Contributors

• Brands, S.J. (comp.) 1989-2007. Systema Naturae 2000. The Taxonomicon. Universal Taxonomic Services, Amsterdam, The Netherlands. Accessed March 24, 2007.

Identifiers

• Globally Unique Identifier: urn:lsid:ipni.org:names:39037-2
• International Plant Names Index (IPNI) ID: 39037-2
• Zipcode Zoo Species Identifier: 1145461

Footnotes

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