Flora of North America species comparison

reddish brown.

stipules 2–3.5 mm, membranous, margins strongly sericeous;

petiole 3–10 mm;

blade weakly bicolored, narrowly to broadly ovate, 4.5–7.5(–10) × 2–4(–6.5) cm, base rounded to broadly cuneate, plicate between impressed veins, apex acuminate, abaxial surface more strongly sericeous, hairs 0.1–0.2 mm.

alternate or opposite, simple;

stipules persistent or deciduous, free;

venation pinnate.

6–13 mm (to 30 mm and expanding in fruit).

epicalyx bractlets linear-lanceolate, leafy, 2.5–5 × 1 mm;

sepals 8–15(–18) mm, thickened basally, distally leafy, fimbriate-serrate, acuminate, sericeous-strigose;

petals spreading, 17–22 mm, margins entire-erose;

stamens in several series mostly at sepal bases, rarely onto torus, filaments white, 4–6 mm, anthers yellow, 0.5–0.7 mm;

torus 2–2.5 mm, interior densely sericeous-strigose, exterior glabrous;

styles linear.

perianth and androecium perigynous;

epicalyx bractlets absent (present in Rhodotypos);

hypanthium flat, shallowly cupped, saucer-shaped, or campanulate;

torus absent, inconspicuous, or a rim or tubelike sheath surrounding carpels;

carpels 2–5(–8) (usually 1 in Coleogyne), distinct, free, styles lateral or subapical (Neviusia), distinct;

ovules 1 or 2, marginal, collateral when 2.

aggregated nutlets or achenes;

styles persistent, not elongate.

= 18.