Glossary

Coastal Ecology

   

 

achene A small dry, hard fruit with one seed that does not open when ripe.
acuminate A leaf tip that narrows at the end to a tapering point.
alternate Leaves placed singly along the stem, not opposite.
annual A plant that lives one year (or one growing season).
anther The pollen-bearing parts of a stamen.
apex The usually pointed end of an object; the tip.
apical At or pertaining to the tip of any part of a plant
areole A small space or interstice in a tissue or part, such as the area bounded by small veins in a leaf.
awn A slender bristle tip.
axillary On the axil, the spot where the leaf stem meets the branch or the stem.
axis The main line of growth of a plant.
basal Growing from the base of the stem.
berry A simple fruit with skin around the fleshy meat and seed.
biennial A plant that lives two years (or two growing seasons).
bog A wetland formed where the soil is soggy, strongly acidic, and low in nutrients.
brackish (water) Water that contains more sea salts than freshwater, but less than open sea water.
bracts A small leaf that grows at the base of a flower.
branchlet A small branch that grows from a large branch or tree trunk
calyx Collective terms for all the sepals of a flower; the outer whorl of flowering plants.
canescent Densely covered by short gray-white hairs.
capsule A dry fruit, which opens into tow or more sections when ripe.
carinate Projecting a longitudinal medial line on the lower surface.
carnivorous Plants that "digest" animal matter.
caudex Persistent thickened stem of a herbaceous perennial plant.
cluster A group of flowers.
compound Made of two or more similar parts.
concentric Having a common center.
coniferous Bearing cones, as in a cone-bearing tree.
corm The underground stem of a plant, bulblike.
corolla Collective term for all the petals of a flower, whether separate or fused together.
cuneate Triangular with the long point toward the base.
deciduous A plant that loses leaves annually.
dentate Toothed with point outward directed.
disc (disk) The central part of the composite flower that is surrounded by rays and is made up of tiny tubular flowers.
distal Situated farthest from the point of attachment or origin.
drupe A fruit with a hard seed or pit inside.
elliptic Shaped like an oval, ellipsoid.
emersed Rising above the surface of water.
entire Margin of the leaf is smooth and without lobes or teeth.
estuarine An area where a freshwater river meets the ocean and tidal influences result in fluctuations in salinity.
evergreen Has green leaves or needles yearlong.
fascicle A bundle or cluster of stems, flowers, or leaves.
filiform Thin in diameter, resembling a thread.
flower The part of the plant with nectar and pollen that aids in growing new plants.
fronds The leaf of a fern, often having many feathery parts (leaflets).
fruit The part of a plant containing seeds; fruit grows after the flower was pollinated.
glabrous Lacking hairs or other protuberances.
glandular Gland-bearing; having or bearing secreting organs, glands, or trichomes.
glaucous Covered with a waxy coat, often whitish or bluish in color.
globose Having a spherical shape
habitat The place where a plant naturally grows.
herb The leafy upper portion of a plant, minus its roots.
herbaceous A non-woody plant that dies to the ground each year.
hydric Environmental condition characterized by excessive moisture.
inflorescence A flower or fruit cluster including axis or bracts but not vegetative leaves.
involute Having margins rolled inward, especially of petals or leaves in a bud.
lanceolate Rounded base narrowing to the tip, lance-shaped.
leaflet Any subdivision of a compound leaf.
legume A pod, such as a pea or bean, containing many seeds.
ligules Membranous structures or fringe of hairs found at the junction of the leaf blade and sheath of grasses.
linear Long and narrow.
lobed Having lobes, rounded parts of leaves or petals.
margin The edge of a leaf.
midden (shell) A site formed of mainly concentrated shellfish remains and other refuse that indicates the site of a human settlement.
mesic Environmental condition characterized by medium moisture.
mesohaline Moderately brackish water with a salinity range of 5.0 to 18.0 parts per thousand. These areas are typically in the middle portion of an estuary.
native A plant in a region where it grows naturally and where it evolved.
nodes The place on a stem where leaves grow.
oblanceolate Lance-shaped but broadest above the middle and tapering toward the base.
obovate Egg-shaped and flat with the narrow end attached to the stalk.
oligohaline Water with salt concentrations from 0.5 to 5.0 parts per thousand, due to ocean-derived salts. These areas are typically in the upper portion of an estuary.
opposite Placed in pairs across from each other on a stem, not alternate.
orbicular Like a sphere or circle, round.
ovate Egg-shaped with the widest part toward the base.
ovoid Egg-shaped, ovate.
palmate Arranged in a radial pattern.
panicle An elongated, branched flower cluster with stalked flowers.
pedicel The stalk of a single flower or fruit.
peduncle The flower stalk or tendril that may support a cluster of flowers or the single flower.
peltate Having a flat, circular structure attached to a stalk near the center; shield-shaped.
perennial A plant that lives more than two years (or two growing seasons).
perianth Collective term for the calyx and corolla of a flower.
petaloid Resembling a petal.
petals The segment of the flowers, usually colored.
petiole A leaf stalk.
pinna A leaflet or primary division of a pinnately compound leaf.
pinnate The leaf that has a structure similar to a feather, with lateral branching.
pinnatifid Divided in a pinnate manner.
pistil The ovule-bearing part of a flower. The pistil consists of a stigma, style, and ovary (the "female" part of a flower).
pistillate With pistils, but lacking stamens (female).
polyhaline Describes waters with salinity between 18.0 and 30.0 parts per thousand. These areas are typically in the lower portion of an estuary, where the ocean and estuary meet.
puberulent With soft, short, fine hairs.
pubescence Any type of hair-like structure on a plant part.
raceme A cluster of flowers with stalked flowers arranged along a central stem.
racemiform An inflorescence that appears to be a raceme
ray The petal-like flowers of a composite "flower" that encircle the disk flowers.
retrorse Directed back or downward
rhizome Root-like, horizontal, underground stem that sends up leafy shoots.
riverine Located on or inhabiting the banks of a river.
rosettes Circular group of leaves located around the bases of plants.
savanna A large, flat grassland.
scabrous Having a coarse surface due to the structure of the surface or short stiff hairs. Rough to the touch.
scape A leafless flower stalk growing directly from the ground.
scapose Having a leafless flower stalk.
schizocarp The dry fruit that divides in two, each containing a seed.
sepals Floral leaf that occurs outside the petals; often green and sometimes colorful, mimicking petals.
serrate Toothed with the teeth pointing away from the stem or base.
sericeous Silky.
sessile Having no stalk.
shrub A woody plant with several equally large stems from the base. A shrub is usually less than 4.5 m tall.
silvicultural The care and cultivation of forest trees; forestry.
spatulate Broad rounded end and narrow base, shaped like a spatula.
spike A flower cluster consisting of flowers growing directly from a central stalk.
spikelet The basic unit of the inflorescence of grasses and sedges.
sporangia Case containing spores.
spore The reproductive body produced and dispersed by ferns and other lower vascular plants that do not reproduce by true seeds.
stamen The male organ of a flower that contains pollen.
staminate With stamens, but lacking a pistil (male).
stolon A running stem that forms roots
strigose With sharp, straight, and stiff hairs.
subglobose Not quite globose.
subulate Shaped like an awl, thin and tapering to a small point.
taproot A very long central root like a carrot.
terminal The end of a stem or branch.
toothed Having tooth-like indentions along the edge of a leaf.
trichome A hair-like or bristle-like outgrowth.
trifoliate Having three leaves or appearing to have three.
tuber A rounded projection or swelling; a tubercle.
tubercle A small, rounded projecting part or outgrowth.
tuberiferous Having tubers
tuberous Being or resembling a tuber.
tubular Hollow, round, open at one or both ends.
umbel A cluster of flowers where the stalks are similar in length and come from a common center (like the rays of an umbrella).
whorled Three or more leaves arranged in a whorl around the stem.

 

 

 
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