n
(botany) The area in a plant's leaf, stem, or fruit stalk, where the abscission layer if formed along with weakened sclerenchyma, absent collenchyma, and dense cytoplasm.
adj
(botany, rare) That is pollinated by mites
adj
Alternative spelling of acarpellous [(botany) Having no carpels.]
adj
(botany) Not producing fruit; unfruitful; sterile.
n
(biology) any flowerless plant whose growth takes place at the tip of the main stem, especially the cryptogam ferns
n
The branch of palynology concerned with the study of modern-day pollens and spores, rather than with fossils.
adj
(botany) In which the xylem surrounds the phloem
n
A chemical (any one of a class of chemicals) secreted by fern gametophytes which promote the production of male gametangia.
n
Alternative form of antherozoid [(botany) One of the mobile male reproductive bodies in the antheridia of cryptogams.]
adj
(botany) Having no roots.
n
Self-fertilization, the fertilizing pollen being derived from the same blossom as the pistil acted upon.
adj
Secreting or producing byssus.
n
(botany) In bryophytes, a thin, hood of tissue that forms from the archegonium and covers the developing sporophyte and is shed as it ripens.
adj
(botany) Relating to plants of the order Centrospermae
n
(botany) Competition in the pollination behaviour of genotypes.
adj
(lichenology) Of a lichen, growing tightly appressed to the substrate.
adj
(botany) Synonym of carduoid
n
(botany) pollination via the feet of elephants
n
(botany) The inner layer of the bark of a tree.
n
(botany) The epidermal cells of rootlets, specially adapted to absorb liquids.
n
A plant, fungus, or other organism that grows upon rock.
n
(botany) Transfer of pollen grains from the anther of a flower to the stigma of another flower of the same plant.
adj
Having relatively large pores compared to the pollen diameter.
adj
(botany) Relating to, or containing, gonidia.
n
(botany) The basic supportive tissues in plants.
adj
(botany) Lacking a peristome.
n
(botany) Any plant whose buds rest on the surface, being protected in various ways.
adj
(biology, of an alga) Having a thallus that is partly prostrate and partly upright
adj
(mycology) Growing in humus.
n
(botany) A tissue, in the leaves of many plants, that contains microscopic pores through which water is excreted.
n
(biology) The suture line that shows how spores or grains separated.
adj
(botany) pollinated by snails or slugs
n
(botany) The internal tissue of a plant.
n
(botany) The soft internal parenchyma of a leaf
n
A pollinator exhibiting oligolecty.
adj
(botany) Having few seeds.
adj
(botany) Of pollen, seed, or spores: viable for a long time; viable when dried to low moisture content.
n
debris in sediment composed of fossil pollen and other palynomorphs
n
(botany) A minute jointed filament growing among the archegonia and antheridia of mosses, or with the spore cases, etc., of other flowerless plants.
n
(botany) In a plant root, the cylinder of plant tissue between the endodermis and phloem.
n
(botany) An inner peridium inside of which the hymenium is formed.
n
(botany) cork (dead protective tissue between the bark and cambium in woody plants)
adj
Resembling a plant, plantlike.
n
(botany) The central portion of the primary meristem.
v
(transitive, poetic) To cover with, or as if with, pollen.
n
(botany) The plant that contributes male reproductive material, the pollen.
v
To supply with pollen; to impregnate with pollen.
n
A plant that provides pollen.
n
the plant that is the source of pollen for cross-pollination
adj
Pertaining to a pollinator
adj
(zoology) Feeding on pollen.
adj
Of or relating to the pollinodium.
n
(botany) when more than 4 pollen grain are attached in a tetrad
adj
(biology) Prior to the formation of a cotyledon
n
(biology) A simple heterotheca
n
A structure that has the appearance of a paraphyllium
adj
(zoology) That lives in swiftly-flowing water
adj
(botany) Producing flowers from a rootstock, or apparently from a root.
adj
(botany) Of or relating to a schizocarp.
adj
Relating to sclerophylls.
n
A yellow perifollicular saucer- or cup-shaped crust with a cheesy odour, composed of dense mats of mycelia and epithelial debris, often occurring on the scalp and characteristic of favus.
n
(botany) the transfer of pollen grains from the anther to the stigma of a plant of the same species
n
Pollination of a flower by its own pollen, in a flower that has both stamens and a pistil.
adj
Alternative form of seminiferous [(botany) producing seed]
adj
(botany) producing seed
n
The formation of spinules
adj
(botany) Relating to, or exhibiting stenospermocarpy
n
(botany) A section of sclerenchyma at the base of a phyllary in some members of the Asteraceae.
adj
Having or producing stomata.
adj
(biology) That forages in leaf litter
n
(botany) Any vascular plant that does not have roots
n
(biology, obsolete) any plant belonging to one of the obsolete taxonomic groups known as Thalassiophyta, which were believed to comprise various parts of the marine algae or seaweeds, depending on the classification system.
n
(biology) Alternative form of thalassiophyte [(biology, obsolete) any plant belonging to one of the obsolete taxonomic groups known as Thalassiophyta, which were believed to comprise various parts of the marine algae or seaweeds, depending on the classification system.]
n
a balloonlike growth in a plant cavity; a tylose
adj
(botany) describes a plant body where the vascular tissue has not developed, as in the thallophytes
n
(botany) A strand of xylem, phloem, and their associated tissues within a eustele or atactostele.
adj
(botany, of seeds or fruit) That sprout before they fall
n
bilateral symmetry in flowers
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