Chp 8 Evolution and Classifiacation of Eudicots

Worlds largest taxon of plants?
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Terms in this set (18)
Inflouresecne of AsteraceaeCompoundSepal characteristics of Asteraceaeare highly modified, forming a pappus of 2-to-many, persistent scales, awns, or bristles that are capillary, hairy, minutely barbed, or plumose, or altogether lacking.Asteraceae heads haveactinomorphic disk flowers only, or 2. ray flowers (ligulate & bilateral) only, or 3. disk flowers in center and ray flowers on the outside.Fruit characteristics of Asteraceaeachene, crowned by a pappusAsteraceae is the _____ largest family worldwide and the largest in NA2ndExample of Asteraceae speciesAster, Eupatorium, Helianthus (sunflower), Solidago (goldenrod)How many genera and spp are in Asteraceae1528 genera/22,750 sppEconomics from Asteraceaefood (e.g., endive, chicory, artichoke, dandelion greens, lettuce); spice plants (e.g., endive), ornamentals; cause of hay fever