This section is from the book "British Wild Flowers - In Their Natural Haunts Vol5-6", by A. R. Horwood. Also available from Amazon: A British Wild Flowers In Their Natural Haunts.
a hard, dry, indehiscent, one-celled, one-seeded fruit; e.g. Buttercup.
coming: to a point, which is elongate, with concave sides.
coming to a sharp point, not prolonged.
attached by the whole base or side.
the manner of arrangement or folding of parts in the bud of a flower.
of fruits, closely arranged or contiguous carpels.
wings of the corolla in Leguminosae (posterior lateral petals).
not opposite, as in leaves, etc.
addicted to land or water conditions.
half-clasping the stem, as the bases of leaves.
dispersed by wind.
pollinated by the wind.
of one year's duration.
situated in the forepart.
the distal part of the stamen which contains the pollen.
purple colouring-matter in cells.
the part most removed from the base or attachment.
with a small apical point, as the tip of the midrib in some cases.
when the carpels are not united.
growing in water, submerged or with leaves floating.
forming an arch or bow.
growing on sand.
growing upwards, and approaching a vertical position.
with a rough surface.
a community of definite composition, associated with a definite type of habitat, and recognized by the predominance of one or more floristic types, such as a damp oakwood.
tapering gradually to a slender point.
of the leaves, with ear-like lobes at the base.
dispersed by the plant itself - of the seed.
spontaneous, not induced by external stimulus.
a bristle-like appendage, as in Grasses.
the angle of the stem and leaf.
the central stem or root.
the recurved processes on bristles and teeth on the leaf-margin.
the external layer of the stem in woody plants where a corky layer is formed.
the inner layer of the bark, which is soft phloem, or hard bast fibres.
a prolonged point.
furnished with long hair, like a beard.
a succulent fruit, with several seeds, soft pericarp.
of two years' duration, flowering and producing seed the second year.
divided into two parts half-way. Bilabiate, with two lips.
divided into two parts nearly entirely.
tri-, quadri-, etc, 2, 3, or 4 times divided again in the case of a pinnate leaf.
once again pinnatifid.
a ternate leaf divided ternately again.
a leaf differing from the stem leaves situated in the floral region.
small bracts on the peduncle.
an unexpanded shoot, whether on the axis or leaves.
an underground bud with fleshy scale-leaves, stored with reserve material.
tufted, of roots, stems, or leaves.
addicted to a lime soil.
the outermost protective whorl of the perianth, usually green, made up of sepals.
the layer between wood and bast, forming new (secondary) wood and bast.
clustered in heads with a knob like the head of a pin.
a head of sessile flowers, as in Compositae.
a dry many-seeded dehiscent fruit.
the modified leaf which forms a single-celled ovary, or a single cell of an ovary.
a one-seeded fruit in which the seed-coat and pericarp are adherent, indehiscent, as in Grasses.
a fruit in which the seed is expelled by an elastic movement of the plant itself.
a spike of flowers of one sex only, with bracts in place of perianths.
with an erect stem.
arising from the stem.
growing outwards from the middle.
growing inwards towards the centre.
hollowed out in the centre or middle line.
plants that grow in crevices on bare rock, with a little detritus only.
plant formations on waste land.
the green colouring-matter in plants which enables them to assimilate carbon by aid of the sun. Chomophytes, plants growing on rock on which detrital matter is present as a subsoil, on the surface or in crevices.
with a fringe of hairs.
the attenuate base or stalk of a petal.
divided, but not so far as the midrib.
flowers that do not open and are self-pollinated.
when the stamens and style fuse to form one structure, as in Orchids.
when a species shares, with another, food material, e.g. parasites, saprophytes.
the different members which together make up a coherent whole, possessing at the same time a general unity of character, as Heath-plants.
made up of a number of parts which are similar, as opposed to simple.