Flora of North America species comparison

erect, moderately to densely hairy, with gland-tipped hairs and finer, usually appressed, nonglandular hairs;

older stems 4–7 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 0.3–2.5(–3.5) cm;

blade narrowly ovate, lanceolate, or linear-lanceolate, 6–15 × (0.6–)1–6 cm (L/W = 2–7(–11)), base usually rounded or obtuse, rarely acute, apex acute or narrowly acute, surfaces glabrescent or sparsely, mostly appressed-hairy.

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

glands subtending each bract 0.

2–14 cm, peduncle 1–7 cm, fertile portion 1–9 cm, with (1–)2–4 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, 1.4 mm, ± equal, not or somewhat exerted 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 2–3.2 mm, becoming 3.5–5.5 mm in fruit;

petals 1–2(–2.4) mm;

ovary densely covered in bulbous-based, gland-tipped trichomes.

capsules, densely muricate.

5–7 mm wide, trichomes conic proximally, hairlike distally, gland-tipped.

subglobose;

caruncle absent.

brown, 2.5–3 mm diam. 2n = 22.

= 11.