68 GLOSSARY 



Spathe A leaf-like structure standing below an inflorescence 



Spatulate Spoon-shaped, shaped like a spatula 



Spike An axis bearing sessile flowers 



Spikelet A small few-flowered spike, the flower cluster of grasses and sedges 



Spine A sharp, woody or rigid outgrowth from the stem 



Spiny Provided with spines 



Spur A hollow projection from the sepal or petal of a flower 



Stamen The organ of a flower which bears the pollen 



Staminate With stamens but without pistils 



Staminoids A stirile stamen 



Standard The large upper petal of the flower of the Pea Family 



Stigma The top of the pistil to which pollen grains become attached 



Stipule Outgrowths of, or appendages to, the base of a petiole 



Strap-shaped Long and narrow in outline 



Style The narrowed or pointed part of the pistil, bearing on its top the stigma 



Stylopodium A disk-like expansion at the base of the style, as in the Apiaceae 



Submerged Under water 



Subtend To stand below on the axis 



Superior Applied to an organ situated above another one 



Sympetalous Having or consisting of united petals 



Syncarpous Having or consisting of carpels joined together 



Teeth The regular projections along the margin of a leaf 



Tendril A slender coiling organ 



Ternate Consisting of three leaflets 



Terrestrial Growing on the ground 



Thorn A stiff sharp-pointed outgrowth from the bark or rind 



Tomentose Covered with dense, matted, wool-like hairs 



Trailing Creeping along the ground 



Trifoliate Having three leaflets 



Truncate Terminated by a nearly straight edge or surface 



Twining Winding spirally about a support 



Umbel A flower-cluster with all the pedicels arising from the same point 



Umbellate Borne in umbels 



Unarmed Without spines, thorns, or prickles 



Valve One of the portions into which some dry fruits split; a trapdoor-like opening 



in the pollen chambers of some anthers 

 Vestigial Reduced almost to disappearance 

 Villous With long soft hairs not matted together 



Webby With a tuft of slender, curly hairs 



Whorl A group of three or more similar organs, as leaves, radiating from the place 



of attachment 

 Whorled Borne in a whorl 

 Wing One of the two lateral petals of the flower of the Pea Family 



Zygomorphic Applied to a flower with petals of different form 



