Flora Library
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male gametophyte host:www.cs.cuc.edu
Listing 1 - 5 from 5 for male gametophyte
pollen grain vascular plants ovulate cone leaf traces ovulate cones leaf gaps female gametophyte brown algae cell phones economic importance mother cells cell wall male gametophyte pollen tube mature sporophyte life cycle
Plant Diversity Syllabus
... Gametophyte Part 16. Lycophyta I. Lycopodium A. Mature sporophyte B. Reproduction 1. Gametophyte 2. Sporophyte embryo 3. Bulbils II. Selaginella A. Mature Sporophyte B. Reproduction 1. Female gametophyte 2. Male gametophyte ... II. Life history A. Staminate cone B. Ovulate cone C. Female gametophyte D. Pollination E. Male gametophyte F. Fertilization G. Embryo H. Representatives 1. Pinaceae a. Pinus ...
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Small_vascular_plants
... Reproductive systems All are oogamous, with alternation of generations. Sporophyte is dominant, with gametophyte often dependent on sporophyte. A. Homospory - one type of spore formed. Meiosis -> ... 2 types of spores. Development of spores os endosporal. 1. Microspores from microsporangia produce male gametophytes 2. Megaspores from megasporangia produce female gametophytes. Found in some Lycophyta, ...
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Gymnosperms
... gametophyte. Now the male gametophyte begins to germinate from the pollen grain, i.e. pollen tube. Thus both male & female gametophytes develop within the ovule, and are nourished by nucellus. E. Male gametophyte ... nuclei. A mature male gametophyte then contains a pollen tube, 2 sperm nuclei, and several vegetative nuclei. F. Fertilization After about one year, the male & female gametophytes are ...
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Phaeophyta
... of generations. General life cycle- One class, including Fucus has the gametophyte generation greatly reduced, and not an independent plant. V. Representative genera. A ... - Male gametophyte, 1/2 - female gametophyte syngamy - zygote - sporophyte. (Heteromorphic alt. of gen.) C. Macrocystis - giant kelp. D. Nereocystis E. Postelsia palmiformis - Monterey F. Fucus Diploid thallus, gametophyte ...
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Bryophyta
... by the leafy gametophyte with its rhizoids, caulalia & phyllidia. X-S of caulalia shows a central cylinder, a cortex and an epidermis. 1. Sexual reproduction. Many mosses are monoecious - Male and ... the apex of the leafy gametophyte. It absorbs water & nourishment from the gametophyte for the sporophyte. As the seta elongates, the old archegonium is torn from the gametophyte and remains on the ...
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