Flora of North America species comparison

simple or branched;

vascular bundles in more than 1 ring or scattered.

blade ovate, 20-35×17-20 cm, base narrowly and deeply obliquely cordate, apex abruptly short-acuminate to acute;

surfaces abaxially and adaxially minutely pubescent, most conspicuously so along veins.

blade: margins entire.

terminal, opposite leaves, or axillary, spikes.

12-25 cm.

bisexual;

perianth absent, each flower subtended by peltate bract;

stamens 2-6, hypogynous, anthers 2-locular;

pistil 1, 1- or 3-4-carpellate;

ovary 1-locular, superior;

placentation basal;

ovule 1;

stigmas usually 3-4.

not seen.

drupelike.

1;

endosperm scanty;

perisperm abundant;

embryo minute.

trees, shrubs, or perennial or annual herbs, often rhizomatous, sometimes aromatic, glabrous, pubescent, or glandular-dotted, terrestrial or epiphytic.