Strigose. Beset with appressed sharp straight and stiff hairs.
Strobile. An inflorescence marked by imbricated bracts or scales, as in the Hop and Pine-cone.
Strophiole. An appendage at the hilum of certain seeds.
Style. The usually attenuated portion of the pistil connecting the stigma and ovary.
Stylopodium. A disk-like expansion at the base of a style, as in Umbelliferæ.
Sub-. A Latin prefix, usually signifying somewhat or slightly.
Subulate. Awl-shaped.
Succubous (leaves). Having the upper margin of a leaf covered by the base of the one above.
Succulent. Juicy; fleshy.
Suffrutescent. Slightly or obscurely shrubby.