Shared Flashcard Set

Details

Plant Diversity Lecture
Plant IDs, life cycles, etc
65
Plant Sciences
Undergraduate 4
10/12/2011

Additional Plant Sciences Flashcards

 


 

Cards

Term
PEDIASTRUM
Definition
Colony, coenobium, 2-10 or 10-100 cells, zoospores and autocolonies, monobiontic, haploid (zygotic meiosis), cells are often notched or lobed and sometimes have short “horns” or bristles
Term
CHLAMYDOMONAS
Definition
Unicellular, cup shaped chloroplast, zoospores (no autocolonies), monobiontic, haploid (zygotic meiosis), isogamous.
Term
STIGEOCLONIUM
Definition
Colony, branched filament, an indefinite number of cells (the organism continues to grow), zoospores (no autocolonies), fragmentation, monobiontic, haploid (zygotic meiosis)
Term
ODEIGONIUM
Definition
Colony, filament, an indefinite number of cells (the organism continues to grow), zoospores (no autocolonies), can reproduce by fragmentation, monobiontic, haploid (zygotic meiosis), this genus has intercalary growth of its filaments. Each division produces an annular scar.
Term
VOLVOX
Definition
Colony, 100-2,000 cells, autocolonies (no zoospores), monobiontic, haploid (zygotic meiosis), oogamous sexual reporduction.
Term
PANDORINA
Definition
Colony, coenobium, 10-100 cells, cup shaped chloroplast, autocolonies (no zoospores), monobiontic, haploid (zygotic meiosis), a larger version of Gonium but close packing of the cells can make them look angular.
Term
ULOTHRIX
Definition
Colony, filament, an indefinite number of cells (the organism continues to grow), band shaped chloroplasts, zoospores (no autocolonies), can reproduce by fragmentation, monobiontic, haploid (zygotic meiosis), organism has diffuse (generalized) growth and any cell can divide to enlarge the filament.
Term
CHLORELLA
Definition
Unicellular, chloroplast, autospores, no known life cycle, The cells are very small.
Term
SCENEDESMUS
Definition
Colony, coenobium, 2-10 cells, autocolonies (no zoospores), monobiontic, haploid (zygotic meiosis) - when known; most species have no known sexual cycle, cells aligned in a flat plate, some colonies have hair-like projections from their terminal cells.
Term
SPIROGYRA
Definition
Filament, an indefinite number of cells (the organism continues to grow), spiral-shaped
chloroplasts, fragmentation, monobiontic haploid, sexual reproduction by conjugation
Term
COSMARIUM (DESMID)
Definition
Unicellular, 1 (unicellular), asexual reproduction is by mitosis followed by semi-cell regeneration
sexual reproduction by conjugation; an isthmus divides the cell into two semi-cells
Term
ACETABULARIA
Definition
Unicellular (only during the stage where it is not coenocytic), coenocytic (for part of its life cycle
only), siphonous, no known asexual reproduction, monobiontic, diploid, flower-like head produces
cysts that contain gametes
Term
CLADOPHORA
Definition
Filament or branched filament, coenocytic, an indefinite number of cells (the organism continues
to grow), zoospores (no autocolonies) and fragmentation; dibiontic, apical growth of filaments
Term
CODIUM
Definition
Coenocytic, siphonous, fragmentation, monobiontic haploid or dibiontic, a pest of oyster beds in
the Northeast
Term
ZYGNEMA
Definition
Filament, an indefinite number of cells (the organism continues to grow), two star-shaped
chloroplasts, fragmentation, monobiontic, haploid, sexual reproduction by conjugation
Term
ULVA
Definition
Flat sheet, an indefinite number of cells (the organism continues to grow), zoospores (no
autocolonies) and fragmentation, dibiontic, isomorphic, heterothallic, parthenogenesis
Term
BRYOPSIS
Definition
Coenocytic, siphonous, fragmentation’ dibiontic or monobiontic haploid
Term
PORPHYRA
Definition
flat sheet, an indefinite number of cells (the organism continues to grow), there is no sterile
covering surrounding the egg and zygote, fragmentation, non-flagellate spores (monospores).
Term
COLEOCHAETE
Definition
flat sheet, 10-100 or 100-2,000 cells, there is a sterile covering surrounding the egg and zygote,
zoospores (no autocolonies), antheridium and oogonium are surrounded by sterile cells.
Term
BATRACHOSPERMUM AND POLYSIPHONIA
Definition
complex branched filament (whorls of branches, multiseriate, etc.), an indefinite number of cells
(the organism continues to grow), there a no sterile covering surrounding the egg and zygote,
fragmentation and non-flagellate spores (monospores).
Term
CHARA AND NITELLA
Definition
stems with nodes and internodes, an indefinite number of cells (the organism continues to grow),
there is a sterile covering surrounding the egg and zygote, fragmentation, antheridium has stalk
cells, antheridial branches, and is surrounded by sterile cells; oogonium is surrounded by sterile
cells and has corona; nodes and internodes present.
Term
PORPHIRIDIUM
Definition
unicellular, there no sterile covering surrounding the egg and zygote, division of the whole
organism by mitosis.
Term
CALLITHAMNION
Definition
simple branched filament, an indefinite number of cells (the organism continues to grow), there is
no sterile covering surrounding the egg and zygote, fragmentation, non-flagellate spores
(monospores), reproduces by asexual means (usually fragmentation) only at the northern limit of
its range.
Term
EUGLENA
Definition
unicellular, long, narrow cells, two flagella, one emergent.
Term
FUCUS
Definition
leathery, flattened and dichotomously branched, less than 1 meter long (some 1-5 meters), no known
asexual reproduction, receptacles & conceptacles, oogamy, monobiontic diploid, heterothallic or
homothallic, air bladders.
Term
COLACIUM
Definition
colonial, flat, discoid cells, no flagella, cells attached to a branched polysaccharide axis secreted
by the cells.
Term
PHACUS
Definition
unicellular, flat, discoid cells with a posterior spine, two flagella, one emergent.
Term
LAMINARIA AND MACROCYSTIS
Definition
differentiated into a holdfast, stipe and blade, 40-50 meters long, no known asexual reproduction,
unilocular sporangia, oogamy, dibiontic, heterothallic, heteromorphic, economically important.
Term
TRACHELOMONAS
Definition
Unicellular, ovoid, three-dimensional cells, two flagella, one emergent, lorica surrounding cell.
Term
ECTOCARPUS
Definition
simple branched filament (uniseriatef), less than 1 meter long, plurilocular asexual zoosporangia,
plurilocular gametangia and unilocular sporangia, isogamy, dibiontic, heterothallic, isomorphic,
parthenogenesis; Meiosis occurs in unilocular sporangia to produce spores that grow into the gametophyte,
which bears the gametes in plurilocular gametangia.
Term
PENICILLIUM
Definition
composed of spetate hyphae, perforated septa; asexual reproduction by conidia and conidiophores, fragmentation; no known sexual cycle
Term
SACCHAROMYCES
Definition
unicellular; asexual reproduction by budding; dibiontic; ascus and ascospores
Term
ERYSIPHE
Definition
composed of septate hyphae, perforated septa; asexual reproduction by conidia and conidiophores, life cycle monobiontic haploid with the addition of a dikaryotic phase; ascus and ascospores, ascocarp (=ascoma) a cleistothecium, ascogenous hyphae (dikaryotic)
Term
RHIZOPUS
Definition
composed of coenocytic hyphae with rhizoids and stolons; asexual reproduction by sporangia and sporangiophores and fragmentation; monobiontic, haploid; gametangia and conjugation, zygosporangium.
Term
LICHEN
Definition
mycobiont composed of septate hyphae, perforated septa, asexual reproduction by conidia and conidiophores and fragmentation, monobiontic haploid life cycle with the addition of a dikaryotic phase, ascus and ascospores, ascocarp (=ascoma) an apothecium; whole organism asexual reproduction by soredia.
Term
MORCHELLA
Definition
mushroom-like ascocarp composed of septate hyphae with perforated septa arranged into apothecia on the surface of the ascocarp; asexual reproduction by conidia and conidiophores and fragmentation; monobiontic haploid life cycle with addition of dikaryotic phase; ascus and ascospores.
Term
LYCOPERDON
Definition
composed of hyphae, septate hyphae with dolipore, dikaryotic hyphae predominant; no asexual reproduction other than mitotic cell division; is neither monobiontic or dibiontic; basidia and basidiospores, with spores completely enclosed for at least part of their life; a puffball.
Term
PUCCINIA
Definition
composed of hyphae, dikaryotic hyphae predominant; aecia and aeciospores, uredinia and urediniospores, telia and teliospores; is neither monobiontic or dibiontic; basidia and basidiospores, spores exposed, spores in sori; a parasitic fungus with two host plants, wheat and barberry.
Term
COPRINUS
Definition
composed of hyphae, septate hyphae with dolipore, dikaryotic hyphae predominant; is neither monobiontic or dibiontic; basidia and basidiospores, with spores exposed on gills.
Term
CYATHUS
Definition
composed of hyphae, septate hyphae with dolipore, dikaryotic hyphae predominant; is neither monobiontic or dibiontic; basidia and basidiospores, with spores enclosed in small egg-like sacs for part of their life – the sacs born in a “nest”
Term
N
Definition
Ploidy of primary mycelium in Basidiomycota
Term
N+N
Definition
Ploidy of secondary mycelium of Basidiomycota
Term
N+N
Definition
Ploidy of Somatic Hyphae in Basidiocarp
Term
N+N
Definition
Ploidy of Basidium before Karyogamy in Basidiomycota
Term
2N
Definition
Ploidy of basidium after Karyogamy in Basidiomycota
Term
N
Definition
Ploidy of Basidiospores in Basidiomycota
Term
M
Definition
Ploidy of somatic hyphae in Zygomycota
Term
M
Definition
Ploidy of rhizoids in Zygomycota
Term
M
Definition
Ploidy of gamatangia in Zygomycota
Term
M
Definition
Ploidy of zygote in Zygomycota
Term
M
Definition
Ploidy of zygospore in Zygomycota
Term
M
Definition
Ploidy of ascogonium after plasmogamy in Ascomycota
Term
N
Definition
Ploidy of nucleus in antheridium in Ascomycota
Term
N+N
Definition
Ploidy of ascus before Karyogamy in Ascomycota
Term
2N
Definition
Ploidy of ascus after karyogamy in ascomycota
Term
N
Definition
Ploidy of ascus after meiosis in Ascomycota
Term
N
Definition
Ploidy of ascospore in Ascomycota
Term
N
Definition
Ploidy of monokaryotic hypha in Ascomycota
Term
N+N
Definition
Ploidy of Dikaryotic hypha in Ascomycota
Term
N+N
Definition
Ploidy of ascogenous hypha in Ascomycota
Term
N/2N
Definition
Ploidy of normal vegetative cell in Saccharomyces
Term
2N
Definition
Ploidy of ascus after karyogamy in Saccharomyces
Term
N
Definition
Ploidy of ascospore in Saccharomyces
Term
N
Definition
Ploidy of somatic cell in phycobiont in lichen
Term
N
Definition
Ploidy of somatic cell of mycobiont in lichen
Supporting users have an ad free experience!