Vascular Plant Taxonomy

absent achene adnate angiosperms anthers Arnold Arboretum Asteraceae attached axile ovules axillary basally connate berry botanists bracts branches calyx Carpels cell characters chromosomes cladistic classification clusters compound corolla Cronquist cymes description and illustrations dioecious distinct or connate drupe estipulate Family Fig Family Magnoliophyta fern filaments fleshy Floral diagram floral formula Flowering Plants Flowers perfect Fruit a capsule Gametophytes genera genus gymnosperms gynoecium herbarium hypanthium imperfect indusium Inflorescence Inflorescence of solitary involucre leaf Leaves alternate lobed locule marginal mature monocots monoecious opposite ovary Ovary position ovary superior ovules ovules per locule palmately parietal perianth petaloid petals petiole pinnately pistillate flowers placentation Plants synoecious pollen racemes rarely schizocarp seeds Sepals sessile Shrubs or trees simple sometimes sori southeastern United species specimens spikelets sporangia spores stamens stems stigma structures style Subclass subf subfamilies subtended subtropical Superorder taxa taxon taxonomic taxonomists temperate tropical usually vascular plants whorled woody