Flora of North America species comparison

1–10+, orientation unknown;

bark gray to dark gray, smooth, older plaited; short shoots absent; unarmed;

tomentulose to villous-canescent, hairs white, short, tightly crinkled, often tardily to soon glabrescent.

persistent, cauline, erect-ascending to spreading, simple;

stipules tardily deciduous, free, subulate to narrowly deltate, margins entire, glandular;

petiole present;

blade oblong-elliptic or oblong-lanceolate to linear-lanceolate or linear to linear-oblong, (2.2–)3–13(–18.5) cm, leathery, margins flat, usually horny, serrate, serrulate, or crenulate, sometimes doubly serrate, rarely entire, venation pinnate and semicraspedodromous, surfaces tomentulose, sometimes glabrate or puberulent.

petiole (1.5–)4–16(–26) mm;

blade usually bicolor, sometimes green or yellow-green, oblong-elliptic or oblong-lanceolate to linear-lanceolate or linear, (2.2–)3–11(–15) × (0.6–)0.7–2(–3.2) cm, base obliquely cuneate to rounded, margins serrulate or crenulate, teeth 10–35(–50) per 5 cm, 0.1–0.5(–1.5) mm, apex acute, mostly mucronate, surfaces closely villous-tomentulose, abaxially more densely so, or glabrate or tardily glabrescent (some remaining crinkled hairs).

terminal or axillary, 15–25+-flowered, compound corymbs, puberulent to tomentulose;

bracts present;

bracteoles present.

present.

perianth and androecium perigynous, 5–10 mm diam.;

hypanthium hemispheric, 1.5–2.5(–3) mm, leathery, sericeous, glabrescent, interior proximal surface nectariferous;

sepals 5, erect, broadly ovate;

petals 5, white, oblong-ovate to oblong-obovate, base clawed, apex rounded to emarginate;

stamens 18–20, shorter than petals;

torus thickened;

carpels 5, connate, free, strigose, styles terminal, distinct;

ovules 2.

hypanthium 1.5–2.5(–3) × 2–3.7(–4.5) mm, tomentose to sparsely tomentulose or glabrate;

sepals 1.1–2.2 × 1.4–2.3 mm, margins eglandular;

petals oblong-ovate, 3.4–5.4 × 2.4–3.5 mm;

filaments 2.5–6 mm.

capsules, broadly ovoid, 4.5–7.5 mm, woody, sericeous, ventrally (fully) and dorsally (in distal 1/2) dehiscent, splitting into 5 follicles;

hypanthium persistent;

sepals persistent, erect;

styles persistent.

4.5–6.5 × 3.5–4.5 mm.

2 per follicle, winged.

3.5–5 × 0.9–1.4 mm.

1.5–5(–12) × 1.7–8(–13) cm, tomentulose, sometimes sparsely hairy or glabrate.

= 15.