Flora of North America species comparison

1–20, ascending, much branched, often ± twisted, young stems terete, closely villous, smooth;

bark brown or gray, young stems not hairy; long shoots present, short shoots sometimes present; unarmed;

grayish- or whitish-tomentose, sometimes glabrate; overwintering buds tomentose.

drought-deciduous or persistent, cauline, simple, slightly conduplicate;

stipules tardily deciduous or ± persistent, free, lanceolate, glandlike, margins entire;

petiole present;

blade elliptic or oblong-ovate to orbiculate, 0.5–1.5[–3.1] cm, leathery, margins flat, denticulate or entire, teeth gland-tipped, venation pinnate, abaxial surface tomentose, adaxial ± glabrous.

alternate, sometimes opposite, simple, sometimes pinnately compound;

stipules present or absent.

terminal on leafy shoots of season, 1–5[–7]-flowered, corymbs [panicles], axes glabrous or hairy;

bracts absent;

bracteoles sometimes present.

present.

perianth and androecium epigynous, 10 mm diam.;

hypanthium campanulate [urceolate], (2–)3–4 mm, distally copiously white-tomentose;

sepals 5, spreading, nearly orbiculate (inner broadly deltate);

petals 5, white, round or kidney-shaped, base short-clawed;

stamens [8–]14–20[–22], longer or shorter than petals;

carpels 2 or 3[–5], barely connate or distinct, adnate to proximal 1/2–4/5 of hypanthium, ovary appearing 4–10-loculed by false partitions, densely hairy, styles 2 or 3, ventral, distinct;

ovules 2 (separated by false partition).

torus absent or minute;

carpels 1–5(–8), distinct or +/- connate (Maleae), free or +/- adnate to hypanthium (many Maleae), styles distinct or +/- connate (some Maleae);

ovules (1 or)2(–5+), collateral, clustered, or biseriate.

berrylike pomes, translucent, vivid pink, drying purplish black, globose, 6–10 mm, glabrous;

flesh whitish;

hypanthium persistent;

sepals persistent, erect or recurving;

carpels cartilaginous;

styles persistent.

follicles aggregated or not, capsules, drupes aggregated or not, aggregated drupelets, pomes, or aggregated nutlets, rarely achenes or aggregated achenes;

styles persistent or deciduous, not elongate (elongate in Gillenieae).

4–6(–10).

= 8, 9, 15, 17.