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ANGIOSPERMA
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INFORMACION BASICA DE ANGIOSPERMA
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Tarea N°11Angiospermas II Parte
Estudiante Tailín Díaz Cédula 3-744-1876 profesora Ada Rodríguez
Leer las descripciones de cada familia, llenar el cuadro N.3 utilizando el glosario adjunto,
(ilustrado) y entregar como tarea. El cuadro lo debe llenar utilizando las letras P o A dependiendo
de los caracteres que presente la familia. Al terminar de llenar el cuadro deberá contar cuantos
caracteres plesiomórficas y cuantos apomórficas tiene cada familia y determinar si la familia es
primitiva, avanzada o intermedia (igual cantidad de caracteres plesiomórficos y apomóficos). Valor
28 puntos.
Cuadro N. Características Plesiomórficas (ancestrales) y Características
Apomórficas (derivadas) en las Angiospermas
Nombre Común N.4 N.5
Caracteres/Familia Poaceae Orchidaceae
Plesiomórficos Apomórficos P A P A
Ancestrales Derivadas
Leñosa Herbácea ✔️ ✔️
Perenne Anual o bianual ✔️ ✔️
Perennifolia Caducifolia ✔️ ✔️
Hojas simples, Hojas
márgenes enteros Compuesta
y venación pinnada Márgenes ✔️ ✔️
lobados y
serrados
Flor actinomorfa Flor zigomorfa ✔️ ✔️
Flor perfecta Flor imperfecta ✔️ ✔️
Ovario súpero Ovario ínfero ✔️ ✔️
Numerosas partes Pocas partes
florares con arreglo florales con
espiralado arreglo cíclico ✔️ ✔️
(verticilado)
Sépalos y pétalos no Sépalos y pétalos ➖ ➖ ✔️
diferenciados diferenciados
Pétalos Pétalos unidos ➖ ➖ ✔️
separados
Estambres no Estambres
diferenciado en diferenciados en
filamento y antera filamento y ✔️ ✔️
antera
Ovario apocárpico Ovario ✔️ ✔️
sincárpico
Fruto dehiscente Fruto ✔️ ✔️
indehiscente
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