The Classification of Flowering Plants, Volume 2

absent Africa allied alternate America anatropous anthers arranged Asia axil axis base bearing become bisexual bracteoles bracts branches British calyx capsule carpels cells central chamber character closely consists contains corolla cotyledons cultivated dehiscence diagram disc distributed embryo endosperm enlarged entire Europe female flower five fleshy Flor floral flowers four frequently fruit genera genus hairs heads herbs inflorescence inner insects lateral leaf leaves lengthwise less Male flower native North occur opposite outer ovary ovules pair perianth persistent petals pistil placed placentas plants pollen portion position present rarely reduced region regular represented seeds sepals separate shewing shoot short shrubs simple single slightly solitary sometimes South species stamens stem stigma stipules structure style Subfamily temperate terminal trees Tribe tropical tube upper usually varies vertical section whorl widely World