GLOSSARY 



Corymb. — A flat-topped flower cluster. 



Corymbose. — Corymb-like. 



Crenate. — Dentate with rounded teeth. 



Crown. — An inner appendage to a petal, or to the throat of a corolla. 



Cyme. — An inflorescence with the central or terminal flowers blooming 



earliest. 

 Decumbent. — Reclining, with the summit ascending. 

 Dehiscent. — Opening regularly by valves or slits, as a capsule or anther. 

 Dentate. — Toothed; teeth directed outward. 

 DiADELPHOtrs. — Combined in two sets. 

 DiCECiOUS. — With two kinds of flowers on separate plants. 

 Disk. — A development of the receptacle at or around the base of the pistil. 

 ExSERTED. — Projecting. 

 ExTRORSE. — Facing outward. 

 Fertile. — Capable of producing fruit. 

 Floret. — A small flower, usually one of a dense cluster. 

 Follicle. — A single carpel, opening by the ventral suture. 

 Glabrous. — Smooth. 



Head. — A dense'cluster of flowers on a short axis. 

 Herb. — A plant with no persistent woody stem above ground. 

 Hybrid. — A cross-breed of two species. 

 Imbricate. — Overlapping. 



Internode. — The portion of stem between two nodes. 

 Involucre. — A circle of bracts surrounding a flower cluster or a single 



flower. 

 Lanceolate. — Shaped like a lance-head, several times longer than wide 



and broadest at the base. 

 Legume. — The fruit of the Leguminosa; for example a pea-pod. 

 Lobe. — Any segment of an organ. 

 Midrib. — The central rib of a leaf. 

 Node. — The place on a stem that normally bears a leaf. 

 Ovary. — The part of the pistil that contains the ovules. 

 Ovule. — The body that after fertilization becomes the seed. 

 Panicle. — A loose, irregularly compound inflorescence. 

 Pappus. — The modified calyx-limb of Composites. 

 Peduncle. — A primary flower stalk. 

 Perennial. — Lasting year after year. 

 Perfect (flower). — Having both pistil and stamens. 

 Perianth. — The floral envelope, consisting of calyx and corolla (when 



present), whatever their form. 

 Pericarp. — The matured ovary. 

 Petal. — A division of the corolla. 

 Petaloid. — Resembling a petal; used for an abnormal form in double 



flowers. 

 Petiole. — The foot-stalk of a leaf. 

 Pistil. — The seed-bearing organ of the flower, consisting of ovary, style, 



and stigma. 

 Pod, — Any dry dehiscent fruit. 



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