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Glossary of glossary of plant terms KD

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Created by kdillane

row of cells with unevenly thickened walls on fern sporangia
annulus
embryonic tissue regions forming new cells at tips of shoots and roots
apical meristem
gametangium which produces sperm
antheridium
archegonium
{first of a race}gametangium that produces egg
{covering for the head} haploid remnant of archegonium which forms loose, sometimes fringed, cover over moss sporophyte
calyptra
{to make circular}unrolling of fern fronds
circinate vernation
{a pillar} central sterile tissue in moss capsule
columella
fiddlehead; fern leaf that is not yet unrolled
crozier
pattern in which, at each branch point, the diving structure splits in two
dichotomous branching
{frons, a leaf} leaf of a fern
frond
{a marriage; vessel} haploid structure in which gametes are produced
gametangium
{husband or wife} reproductive cell that produces an organism only after fusion with another gamete; eggs or sperm
gamete
{husband or wife; plant} haploid generation of plants, produces gametes
gametophyte
{like, resembling} bearing spores that are all the same size
homosporous
{a tunic} leaf tissue covering fern sorus
indusium
{large; leaf} leaves defined by presence of leaf gap; tend to be large
megaphylls
{wing or feather} small division of fern leaf
pinna (-ae)
{first; thread} first, algal-like stage of moss gametophyte development
protonema
{a spine} main axis of fern leaf
rachis
{root; like, form} hair-like structure that anchors some some gametophytes (like mosses) to substrate
rhizoid
{root} enlarged, usually horizontal, underground stem
rhizome
{seed, vessel}structure that produces spores
sporangium
{seed} a reproductive cell that can produce a new organism without fusing with another cell
spore
{seed; plant} diploid generation of plants; produces spores
sporophyte
{seed; a leaf} leaves that bear sporangia
sporophyll
substance highly resistant to decay found in walls of charophycean zygotes and plant spores
sporopollenin
outer layer of cells of gametangium; does not give rise to gametes
sterile layer of cells
{a cone} tightly packed cluster of sporophylls
strobilus
{sprout} plant body that is not differentiated into roots, stems, leaves, etc
thallus

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