Flora of North America species comparison

absent.

monomorphic, mostly unbranched, with leaves densely clustered mostly along distal 1/3 of plant.

erect.

frequently reddish tinged, 5-10 dm;

petioles basally enlarged and clasping.

blade broadly ovate in overall outline, 30-50 cm;

leaflet blades elliptic to ovate to lanceolate, margins entire;

venation pinnate.

9-81, nearly sessile, leaflet blades 4-11 1.5-3 cm, base cuneate, apex acuminate.

with hundreds of flowers, 1-2 dm.

terminal or axillary panicles of dozens to hundreds of flowers.

fragrant, pedicellate;

perianth segments imbricate, weakly 2-4-seriate.

3-merous, 5-7 mm;

bracteoles present; all perianth parts caducous, cream to white;

sepals and petals intergrading, 27-36; nectariferous petals absent;

stamens 6;

anthers dehiscing by longitudinal slits;

pollen exine punctate;

ovary club-shaped;

placentation submarginal;

style central.

berries, red to purplish, orbicular.

6-9 mm.

mostly 2.

1-3, grayish or brownish;

aril absent.

and pith bright yellow.

= 20.