sessile
Attached directly by the base; not stalked.
sheath
A tubular structure surrounding part or all of an organ (e.g., the portion of a grass leaf that surrounds the stem).
shreds
Long, narrow, thin pieces.
shrub
A woody plant often with the number stems from the base, usually smaller than a tree.
simple
Single or unbranched.
sinus
The cleft or recess between two lobes of an expanded organ such as a leaf.
spatulate
Rounded at the tip, with the broadest portion being at the tip and then slowly tapering to the base.
spherical
Globular or orbicular.
spicate
Spikelike.
spike
An elongated inflorescence with sessile flowers.
spikelet
A small or secondary spike; the basic unit of the grass inflorescence.
spine
A sharp, rigid, outgrowth, usually from the stem.
stamen
The male organ of the flower which bears the pollen.
staminate
Referring to flowers with stamens and no functional pistils; male.
standard
The upright large petal of the legume flower.
stellate
Star-shaped.
stem
The axis or axes of a plant arising from its roots.
stigma
The receptive part of the pistil that receives the pollen; usually at the top of the pistil.
stipel
The stipule of a leaflet of a compound leaf.
stipulate
Possessing stipules.
stipule
An appendage at the base of a petiole, usually in pairs.
stone
The bony endocarp of a drupe.
striate
Marked with fine longitudinal lines or furrows.
style
The usually elongated part of the pistil between the ovary and the stigma. |
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sub
Latin prefix meaning "beneath", but sometimes signifying "almost" (e.g., subglobose means "almost globose").
subclimax
Used in reference to plants or plant communities that are of lower successional stages than "climax."
subtend
To be below and close to.
succession
The sequence of change from one stage or community to another as the available competing organisms respond to the environment; the progressive replacement of plant communities on a site which leads to the potential natural and stable plant community.
swale
A low area or depression.
symmetrical
Possessing one or more planes which divide the object into mirror-image halves.
tardily
Late.
tendril
A slender, coiling or twining organ by which a climbing plant grasps its support.
tepals
Used in reference to sepals and petals which are not readily differentiated, both being either sepaloid or petaloid.
terete
Round in cross section.
terminal
Proceeding from, or belonging to, the end or apex.
thicketization
The process of becoming a thicket.
tomentose
With dense, matted hairs (woolly).
toothed
Having any small, marginal lobe.
trailing
Prostrate but not rooting.
trifoliolate
Having three leaflets.
triquestrous
Three-edged, with the faces between concave.
troughlike
V-shaped in cross section.
tuber
A thickened, solid, and short underground stem with many buds.
twining
Coiling about a support.
umbel
A flat-topped or rounded inflorescence in which the pedicels arise from a common point.
understory
Referring to the vegetation growing under the tree canopy in a forested or wooded situation. |
