SCABERULOUS: Minutely scabrous, or rough-textured.
SCABRID: Slightly rough to the touch, as a scabrid leaf.
SCABROUS: Rough, with rough little dots or scales.
SCALE: The small, initial (often undeveloped), modified leaf/leaves, that forms the protective covering of the leaf buds of deciduous trees, the involucre of the Compositae (Daisy family), the bracts of the catkin, the imbricated (overlapping) and thickened leaves which constitute a bulb, and also applied in the Coniferae (Conifer or Evergreen family) to the leaves or bracts of the cone.
SCALY: Composed of scales lying over one another, as a scaly bulb; having scales scattered over it, as a scaly stem.
SCANDENT: Climbing.
SCAPE: A leafless peduncle; commonly, the leafless stalk of an entire inflorescence.
SCAR: A mark on a stem or branch seen after a leaf drops, or on a seed after it separates form its stalk (See Hilum).
SCARIOUS: Dry and papery, often said of bracts.
SCHIZOCARP: A dry, compound fruit, which at maturity, splits into two or more, one-seeded indehiscent carpels, as in most Umbelliferae.
SCION:A shoot or bud of one species that is grafted to the stock of another plant; a detached living shoot of a plant.
SCLERENCHYMA: In higher plants, the protective and supportive tissue made up of cells with lignified and thickened walls.
SCORCH: An injury to foliage caused by excessive transpiration or lack of water.
SCORPIOID: Having parts arranged in a circinate form, as a scorpoid inflorescence in some of the Boraginaceae.
SCORPIOID CYME: A coiled inflorescence in which the flowers arise 2-ranked on alternate sides of the axis, as in Myosotis scorpioides.
SCRUB: 1. A bush; shrub; a stunted tree or shrub or one appearing so. 2. Collectively, bushes; brushwood; underwood; stunted forest. 3. Of inferior breed or stunted growth.
SCUTATE: Shaped like a small shield; peltate; as a scutate leaf.
SCUTIFORM: Shield-shaped, scutate; peltate.