Flora of North America species comparison

bark smooth to vertically furrowed, shredding;

twigs with ferrugineous, multicellular, broad-rimmed, glandular-peltate scales.

bark smooth to vertically furrowed, shredding;

twigs multicellular eglandular-hairy (hairs branched basally, crisp/matted), glabrate in age.

persistent;

petiole with ferruginous, broad-rimmed, glandular-peltate scales and unicellular-hairy;

blade narrowly elliptic to elliptic or oval, sometimes obovate, (1–)5–8(–13) × (1–)2–3.5(–5.5) cm, thick, coriaceous, margins entire, plane to conspicuously revolute, with scattered, glandular-peltate scales, apex acute or acuminate or obtuse to rounded, surfaces with scattered, ferruginous, broad-rimmed, glandular-peltate scales abaxially, (scales ± deciduous adaxially).

persistent;

petiole multicellular-hairy (hairs ± branched), often glabrescent;

blade elliptic to obovate or slightly ovate, (5–)6–12(–17) × (2.5–)3.5–6(–7.7) cm (length/width ratio 1.3–3.5), thick, coriaceous, margins entire, revolute to plane, glabrous or sparsely hairy along margins (hairs branched, ephemeral), apex rounded/mucronate to obtuse or acute, surfaces sparsely eglandular-hairy (hairs basally branched, crisped, quickly deciduous), abaxial surface minutely, obscurely papillose.

5–10-flowered;

bracts similar to bud scales.

12–20-flowered;

bracts similar to bud scales.

5–15 mm, with ferruginous scales.

10–50 mm, sparsely to moderately multicellular eglandular-hairy (hairs ferruginous, branched, crisped), glabrate in age.

opening before or after development of leaves, erect to horizontal, fragrant;

calyx lobes 0.5–2 mm, with ferruginous scales;

corolla dark to very pale pink or white, upper lobe usually with greenish spots, campanulate to funnelform, 15–37 mm, with scattered, ferruginous, peltate scales on outer surface, petals connate (for 3/4+ their lengths), lobes 8–19 mm, tube gradually expanding into lobes, 8–22 mm;

stamens 10, included to slightly exserted, ± unequal, 13–26 mm.

opening after development of leaves (of flowering shoots), erect to horizontal, fragrant;

calyx lobes 0.5–1.7 mm, glabrous or eglandular-hairy;

corolla deep pink to purple, rarely white, usually with yellowish-green spots on upper lobe, campanulate, 27–50 mm, glabrous on outer surface, petals connate, lobes 15–30 mm, tube gradually expanding into lobes, 12–28 mm;

stamens 10, included, ± unequal, 19–39 mm; (ovary multicellular eglandular-hairy).

borne on erect pedicels, 6–14 × 2.9–5 mm, with ferruginous, peltate scales.

borne on erect pedicels, 10–23 × 3.5–7 mm, eglandular-hairy (hairs ferruginous, branched).

with short, blunt/truncate tails at each end;

testa closely appressed.

without distinct tails, flattened portion of testa well developed at each end;

testa expanded, dorsiventrally flattened, loose.

bud scales ferruginous-lepidote, sometimes also unicellular-hairy abaxially, margins unicellular-ciliate.

bud scales multicellular stipitate-glandular-hairy, eglandular-hairy (hairs basally branched, crisped), and unicellular-hairy (hairs short to elongate), margins eglandular-hairy (hairs branched).

= 26.

= 26.