Copy of `TCM (R&D) - Vegetation management and ecology`
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TCM (R&D) - Vegetation management and ecology
Category: Animals and Nature > Vegetation
Date & country: 25/11/2007, UK
A small, dry fruit covered with a thin tight skin.
Leaf-tip tapering to a point; usually with concave sides.
Bearing a sharp tip.
Lying flat or close to the stem, etc.
Originating from other than the usual location.
Composed of thin walled air-conducting tissue, with large intercellular spaces.
An effect whereby a plant species chemically antagonises others in its environment, in order to gain competitive advantage.
Opposite Sessile Succulent Terrestrial (in this case) Pairs of leaves successively at 90° to one another.
A leaf-base clasping or embracing the stem.
A flowering, seed-bearing plant in which the ovules are enclosed within the ovary.
Completing the entire life-cycle within one year.
The pollen-bearing organ.
The upper angle between, e.g., a stem and a side-shoot.
From germination, flowering and death in two years.
A leaf were both primary and secondary divisions are formed of lobes arranged as in a feather.
A modified leaf protecting the inflorescence.
A head of densely clustered stalkless flowers on a highly compressed axis. (In Ragwort, each apparently daisy-like flower is, in fact, 70 or more tiny flowers)
The unfertilised seed and its associated organs.
Bearing a fringe of fine hairs.
Genetically identical, asexually derived offspring.
A fluid substance where minute particles of one substance are dispersed, without settling, in another.
Fused into a single structure at the base.
A flat topped or convex flowerhead, opening from the outer flowers.
Scalloped, with shallow, rounded teeth.
The base of an herbaceous plant where roots or rhizomes and aerial stems or resting buds meet.
Terminating abruptly into a sharp point.
Indicating the blue colour of these micro-organisms.
The study of heredity and variation at cell nucleus level.
A stem lying horizontally but with the terminal shoot ascending and almost vertical.
Splitting along distinct lines to release seeds.
In two different forms or shapes.
Bearing male or female flowers on separate plants.
Possessing two basic sets of chromosomes.
The part furthest from the point of origin.
The unit consisting of a community of living organisms and their environment.
Tapered-oval. ellipse shaped.
The rudimentary plant within the seed.
Water with high levels of plant nutrients, sometimes due to human activity.
Foliage remaining green for more than one growing season.
Obviously projecting beyond surrounding parts; stuck out
Green, non-flowering vascular plants, reproducing by vegetative or fertilized spores.
Bearing woolly hairs, which easily rub out.
The leaf of a fern.
The fertilised and ripened ovary, with any attached structures.
A fertile reproductive cell.
A growth stimulating and dormancy breaking plant hormone.
A structure secreting substances, eg. oils.
As if coated with a blue-green bloom.
Conifers, Cycads and Ginkgo; seed-bearing plants in which the ovules are not enclosed in an ovary.
Surviving frost in some or all of its parts.
Any non woody plant.
Not having woody aerial parts persistent over the seasons.
Producing spores of both sexes.
Possessing six basic sets of chromosomes.
A plant resulting from the cross-breeding of two genetically dissimilar parents.
In this case, with leaves closely overlapping
The epidermal covering or envelope of a sorus.
The arrangement of flowers and their associated parts.
The portion of stem between two nodes.
The blade of a leaf.
Lance-shaped, tapering to a spear-point.
Slender, elongated, sides parallel.
Divided into (usually) rounded segments.
The spore producing body, producing megaspores.
The larger type of spore, bearing female gametes
One of a pair of seeds which split apart at maturity.
The chemical changes in the plant's cells, to provide energy for vital processes.
The smaller type of spore, bearing male gametes.
Bearing both male and female flowers separately on the same plant, or having individual flowers bearing both male and female parts.
A viscous, jelly like fluid.
The point of attachment for leaves, stems, branches etc.
At least twice as long as broad, with parallel sides.
Egg-shaped, with the small end towards the stem.
Two organs at a node on opposite sides of the stem or axis.
The protective envelope for the ovules.
Rounded at both ends; broadest below the middle.
The unfertilised seed.
A branched flowerhead.
Covered with small soft protuberances.
A whorl or tuft of delicate bristles.
Of many segments; like the teeth of a comb.
The stalk supporting an individual flower.
The stalk of a group of flowers.
A plant lasting 3 or more seasonal cycles.
An often brightly-coloured modified leaf, to attract pollinators.
The leaf stalk.
A measure of the alkalinity or acidity of a medium. Neutral is represented by 7; with lower figures indicating increased acidity and higher figures, increased alkalinity.
Complex vascular tissue involved in the-transport of nutrients throughout a plant.
The manufacture, fuelled by solar energy, of complex organic molecules within the green tissues of plants, from the raw materials, carbon dioxide and water.
Bracts or modifed leaves, forming a collar behind a flower.
Covered with widespread, soft, tender hairs.
A compound leaf of leaflets in 2 rows along the Rachis.
A leaf divided into more than 3 lobes or leaflets, like a feather.
Divided almost to the midrib in broad segments.
Air filled respiratory roots.
A tissue or plant organ in its earliest distinct state.