Limnocharitaceae


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Limnocharitaceae

[¦lim·nō‚kar·ə′tās·ē‚ē]
(botany)
A family of monocotyledonous plants in the order Alismatales characterized by schizogenous secretory canals, multiaperturate pollen, several or many ovules, and a horseshoe-shaped embryo.
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IS-LB H Liliaceae Nothoscordum gracile (Aiton) Stearn IS-LB H Limnocharitaceae Hydrocleys nymphoides (Willd.) Buchenau HT H Marantaceae Thalia geniculata L.
Em Limnocharitaceae Hydrocleys nymphoides (Willd.) Buchenau Rf Potamogetonaceae Potamogeton pusillus L.
Felali Hydrocotylaceae Centella asiatica (L.) Urban Ginjer Limnocharitaceae Limnocharis flava Buchenau Lagka Moraceae Artocarpus heterophyllus Lamk.
Familia Generos Especies Especies Categorias endemicas infraespecificas Alismataceae 2 18 3 2 Amaryllidaceae 2 5 1 Araceae 2 2 - Bromeliaceae 1 1 - Cannaceae 1 1 - Commelinaceae 5 7 2 Cymodoceaceae 2 3 - Cyperaceae 18 125 21 5 Eriocaulaceae 4 16 6 Hydrocharitaceae 6 7 - 1 Iridaceae 3 15 6 Juncaceae 1 18 1 1 Juncaginaceae 2 2 - Lemnaceae 4 15 - Limnocharitaceae 2 9 - Marantaceae 1 1 - Mayacaceae 1 1 - Najadaceae 1 3 - 1 Orchidaceae 9 15 3 Poaceae 26 75 10 Pontederiaceae 3 15 - Potamogetonaceae 2 10 - Ruppiaceae 1 2 - Sparganiaceae 1 2 - Typhaceae 1 2 - Xyridaceae 1 7 - 1 Zannichelliaceae 1 1 - Zosteraceae 1 3 - Total 104 381 53 11 Cuadro 2.
Cintractia limitata On Limnocharitaceae Sori as galls of leaf blades; spores form balls together with sterile cells.
In some families with a multistaminate, centrifugal androecium the outer stamen primordia are not developed beyond the stage of antherless structures (e.g., Dilleniaceae: Baillon, 1865, 1866; Endress, 1997; Fumana in Cistaceae: Nandi, 1998; Bixaceae: Ronse Decraene, 1989; Aizoaceae: Hofmann, 1993; Limnocharitaceae: Haynes et al., 1998).
In the Alismataceae and Limnocharitaceae the derivation of stolonlike structures from inflorescences is obvious: vegetative features have been incorporated into structures that are recognizably inflorescences.
We concluded that the archetypal inflorescence was one with two subopposite bracts and a terminal flower, a pattern discernible in many cases in Hydrocharitaceae, in Limnocharitaceae, and in Ranalisma in the Alismataceae.
A number of clear instances of this exist among the helobial monocotyledons, particularly in the Alismataceae and Limnocharitaceae. In these families it is quite common to find that the development of a cymose cluster of flowers in the axil of a bract is terminated by the formation of a vegetative bud in place of the last flower, or in some cases a vegetative bud occurs directly in the bract axil.
While Luronium is only one example among many in the closely related families Alismataceae and Limnocharitaceae, in which vegetative buds occur within the inflorescence, it differs from almost all the others that have been described (Charlton, 1973; Charlton & Ahmed, 1973; Wilder, 1974a) in two ways.