Flora of North America species comparison

erect, glabrescent or sparsely hairy, hairs fine, usually appressed;

older stems 6–13 mm diam.

alternate, simple;

stipules present, persistent;

petiole present, glands absent;

blade unlobed, margins serrate, laminar glands absent;

venation pinnate or weakly palmate at base, pinnate distally, secondary veins straight, closely spaced, and parallel [arched, moderately spaced].

petiole 0.3–1.5 cm;

blade linear, linear-lanceolate, lanceolate, narrowly ovate, or elliptic, 5–15 × 0.4–3 cm (L/W = (2–)4–24), base narrowly acute, apex narrowly acute, acute, or obtuse, surfaces glabrescent or sparsely appressed-hairy.

bisexual (pistillate flowers proximal, staminate distal) [unisexual], axillary, spikes or racemes;

glands subtending each bract 0.

1.5–7 cm, peduncle 0.5–3 cm, fertile portion 0.7–5 cm, with 1–2 pistillate flowers.

present or absent.

sepals 5, valvate, connate basally;

petals 5, distinct, adnate to base of staminal column, white;

nectary absent;

stamens 10, in 2 whorls, connate basally;

pistillode present, at top of staminal column.

petals narrowly obovate, 2–2.3 mm, often unequal, exerted well beyond calyx.

sepals persistent, often enlarging in fruit, 5–8(–10), connate basally, unequal, small outer lobes often present alternating with larger lobes;

petals 5(–6) [often rudimentary], distinct, white;

nectary absent;

pistil 3-carpellate;

styles 3, connate basally [distinct], deeply multifid, branches [9–]12–21 per flower.

sepals ovate or elliptic, longest 2–2.4 mm, becoming 3–4.5 mm in fruit;

petals 1.9–2.9 mm;

ovary densely covered in bulbous-based, nonglandular trichomes.

capsules, densely muricate.

5–6 mm wide, trichomes conic proximally, hairlike distally, nonglandular.

subglobose;

caruncle absent.

pale brown, 3 mm diam.

= 11.