SSCABROUS rough to the touch.
SCHIZOCARP a fruit which splits into multiple parts called mericarps.
SCORPOID applied to a cymose inflorescence in which the main axis appears to coil.
SECUND with the flowers all turned in the same direction, i.e. aloe ortholopha .
SEGMENTED constricted into divisions as in many euphorbias .
SEPAL a part of the calyx that is usually green
SERRATED with teeth on the margin.
SERRULATE with minute teeth on the margin.
SESSILE without a stalk.
SETATE with bristles.
SINUATE deeply wave (margin), tortuous.
SINUOUS undulating form.
SINUS an opening or groove, as between the bases of two petals.
SQUAMA structure resembling a fish scale.
SQUAMAE Pl. of squama.
SQUAMOSE covered in scales.
SQUAMOUS covered in scales.
SPATHULATE also written spatulate, shaped like a spatula with the distal end broad.
STAMEN the pollen-bearing male element of the flower.
STAMINODE a sterile or abortive stamen.
STIGMA the part of the stigma receptive to pollen.
STIPULE refers to the small appendages at the base of the leaf.
STOMA an aperture in the epidermis, plural stomata.
STOLON a runner or any basal branch which roots.
STYLE the part of the pistil between the stigma and ovary.
SUBCAPITATE See capitate
SYNAPOMORPHY unique derived character.
TTAXON the taxonomic group of plants of any rank.
TERETE circular in transverse section.
TERNATE in threes.
TESSELLATE formed of small squares.
TRANSPIRATION evaporation of water from the plant through leaf and stem pores.
TRICHOME a hair-like outgrowth of the epidermis.
TRIFID cleft into three pieces.
TRIPARTITE consisting of three parts.
TRUNCATE cut off as though shortened.
TUBERCLE a knob-like projection on the stem or leaf.