Flora of North America species comparison

chunky, 2–3.5 × 2.5–4.4 cm, 0.6–0.9 times taller than long, 2 years’ growth evident;

scales ± loose, unsegmented or rarely 1–2-segmented, longest 1.5–2.6 cm;

stem roots present or rarely absent, often numerous.

± ovoid, 3.5–7.9 × 2.6–5.3 cm, 0.9–2.1 times taller than long;

scales unsegmented, longest 3–5.7 cm;

stem roots absent.

to 1 m. Buds ± triangular in cross section.

to 1.1 m, glaucous.

rounded in cross section.

in 2–4(–5) whorls or partial whorls, 3–10(–14) leaves per whorl, ± horizontal or somewhat ascending, especially distal leaves, 3.6–11.1 × 1.5–3.8 cm, 1.8–5.1 times longer than wide;

blade noticeably pale abaxially, oblanceolate, sometimes slightly or narrowly so, or occasionally obovate, texture noticeably fleshy, margins barely to strongly undulate, apex acuminate or sometimes acute, especially in distal leaves;

veins and margins ± smooth abaxially.

in 1–5(–6) whorls or partial whorls, 3–19 leaves per whorl, ascending and often cupping stem, 1.8–7.1 × 0.7–2.8 cm, 2.2–4.8 times longer than wide;

blade ± obovate, oblanceolate, or occasionally elliptic, noticeably glaucous, margins nearly always undulate, apex widely acute;

veins and margins ± smooth abaxially.

umbellate, 1–4-flowered.

usually umbellate in small plants, in large plants racemose or in 2 whorls, 1–9-flowered.

pendent, sweetly and strongly fragrant;

perianth Turk’s-cap-shaped;

sepals and petals reflexed 1/4–1/3 along length from base, pale green then orange proximally, burnt orange-red distally, usually with numerous fine, dark maroon spots, dull abaxially, not distinctly clawed;

sepals with 2 parallel, often faint abaxial ridges, 5.7–9.7 × 1.4–2.2 cm;

petals 5.7–9.2 × 1.8–2.9 cm;

stamens strongly exserted;

filaments parallel along most of length, then widely spreading, diverging 14°–25° from axis;

anthers purple, 1–2.2 cm;

pollen rust or sometimes rust-brown;

pistil 5–7.6 cm;

ovary 1.4–2.5 cm;

style very pale, often spotted purple;

pedicel 9.3–17.4 cm.

nodding to horizontal, not fragrant;

perianth ± campanulate or funnelform;

sepals and petals somewhat recurved 3/5–4/5 along length from base, red or magenta, occasionally salmon pink or pale yellow, with maroon spots, often yellowish on proximal 1/3–1/2, not distinctly clawed;

sepals not ridged abaxially, 3.1–4.7 × 0.7–1.2 cm;

petals 3–4.5 × 0.7–1.1 cm;

stamens included;

filaments barely spreading, diverging 0°–12° from axis;

anthers reddish or magenta, 0.3–0.8 cm;

pollen rust, orange, or yellow;

pistil 2.1–3.5 cm;

ovary 1–2.1 cm;

style green, rarely reddish purple;

pedicel 0.8–14.2 cm.

often longitudinally winged, 2.4–5.6 × 1.4–2.3 cm, 1.5–3.7 times longer than wide.

2–4.1 × 1.2–2.1 cm, 1.4–3 times longer than wide.

not counted.

90–210.

= 24.

= 24.