Flora of North America species comparison

few to many, erect or spreading;

bark purplish brown, blackish brown, purplish black, or purple, with scattered pale brown lenticels; long and short shoots present;

thorns present; glabrous or hairy young, smooth older;

buds triangular-ovoid, apex obtuse or acute, scale margins glabrous or hairy.

deciduous or semipersistent, cauline, simple;

stipules persistent, free, reniform or suborbiculate, rarely ovate, leaflike, margins serrate or crenate-serrate;

petiole present;

blade spatulate, obovate, elliptic, or ovate, 3–9 cm, firm or leathery, margins flat, serrate or crenate-serrate, venation pinnate, surfaces glabrous, sometimes midvein abaxially.

alternate, sometimes opposite, simple, sometimes pinnately compound;

stipules present or absent.

terminal on short branches, appearing lateral on branch as a whole, [2 or]3–5[–10]-flowered, fascicles, glabrous or hairy;

bracts present or absent;

bracteoles present or absent.

present, short, or absent.

opening before or with leaves, perianth and androecium epigynous, 25–50 mm diam.;

hypanthium campanulate, ± constricted at mouth, 4–7 mm diam., exterior glabrous;

sepals 5, reflexed or ascending, suborbiculate or ovate, abaxial surface glabrous, adaxial hairy;

petals 5, white, pink, or red, obovate or ovate to suborbiculate, base short-clawed, apex rounded;

stamens 40–60, equal to or 1/2 length petals;

carpels 5, connate, adnate to hypanthium, indumentum not recorded, styles 2–5, terminal, basally connate 1/3 of length, nearly equal to stamens;

ovules 2.

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.

pomes, sessile, yellow or yellowish green, globose, subglobose, or ovoid, 23–60 mm diam., 5-locular, glabrous; fleshy;

hypanthium persistent;

sepals deciduous;

carpels cartilaginous;

styles deciduous.

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).

10 per locule.

= 17.

= 8, 9, 15, 17.