Flora of North America species comparison

brown, gray, or stramineous, branched, glabrous to densely strigose;

bark deciduous, exfoliating or flaking, reddish;

branches sprawling;

axillary buds exposed.

spreading, green to yellowish, weathering grayish and striate, divaricately branched, moderately to sparsely strigose-sericeous;

internodes 1.5–5.5 cm (long shoots), 0.2–2.2 cm (lateral branches);

axillary buds exposed.

petiole 1–9 mm;

blade white or gray abaxially, green adaxially, broadly lanceolate to broadly ovate or narrowly to broadly elliptic, 2–8 × 1–5.5 cm, herbaceous, base narrowly cuneate to rounded, margins entire or irregularly to regularly serrate, crenate, or dentate, plane, abaxial surface slightly to densely loosely strigose, hairs often gently curved or arched-twisted, 0.7–1.5 mm, adaxial surface glabrate to moderately strigose, hairs usually evenly distributed, when sparse, sometimes distributed mainly along major veins, 0.2–0.8 mm, either thick-based and tightly antrorsely appressed or less thick-based, longer and looser, similar to abaxial hairs.

petiole 2–4.5(–8) mm;

blade grayish or whitish abaxially, green adaxially, usually narrowly lanceolate to lance-ovate, sometimes ovate, (1–)1.6–3.3(–4.7) × (0.4–)0.5–1.1(–2.3) cm, ± herbaceous, margins usually entire, rarely sparsely serrulate, plane, sometimes drying revolute, abaxial surface densely and loosely strigose, hairs arched-twisted, 0.3–1.2 mm, with or without understory of coiled-crisped, slender hairs between raised veins, adaxial surface sparsely to moderately strigose, hairs antrorsely appressed, 0.4–0.9 mm, 1–3 hairs per mm of width.

cymes or cymose racemes, or flowers solitary, 1–3(–5)-flowered, proximal 2(–4) flowers often in axils of leaves or bracts.

flowers solitary.

2–11 mm, moderately to densely strigose.

1–2(–4) mm, loosely strigose or glabrous.

hypanthium glabrous or densely strigose, hairs tightly or loosely appressed;

sepals ovate-lanceolate or triangular, 3–6 × 2–4 mm, apex acuminate, abaxial surface sparsely to densely strigose, adaxial surface glabrous except densely villous distally;

petals white, oblong, obovate, or orbiculate, 5–13 × 4–13 mm;

stamens 14–35;

filaments distinct, 3–9 mm;

anthers 1 × 0.7 mm;

style 1, clavate, 4–6 mm;

stigmatic portion 2–3 mm.

hypanthium loosely strigose or glabrous;

sepals ovate to ovate-lanceolate, 2.5–5.5 × 1–2.5 mm, apex obtuse to long acuminate-caudate, abaxial surface loosely strigose or glabrous, adaxial surface glabrous except ciliate and villous along distal margins;

petals white, oblong-ovate to ovate, 8–10(–14) × 3.5–5(–10.5) mm, margins entire to undulate, apex obtuse to notched;

stamens (11–)14–16(–24);

filaments distinct, 1–4.7 mm;

style 1, clavate, 1.9–3(–3.5) mm, slender base 0.5–2 mm;

stigmatic portion obovoid, 1.2–1.7 × 1.1 mm.

obconic to obovoid, (3–)4–7 × 3–6 mm.

turbinate-spheroid, 3.5–5.5 × 3.5–5 mm, sepals at distal 1/3, tardily falling, capsule distal surface smooth or impressed in 4 vertical lines.

not caudate, 0.9–1.2 mm.

short-caudate distally, 1–1.2 mm.

= 26.