Flora of North America species comparison

petiole 0.2 cm;

blade pale green, spatulate to obovate, 2–3(–4) × 0.5–1 cm, base cuneate, apex usually rounded, rarely emarginate, surfaces glabrous; 3-veined at base, secondary veins 4–7 pairs.

deciduous, fascicled on short shoots [alternate], simple;

stipules present, deciduous;

petiole present, glands absent;

blade unlobed, margins entire [crenate], laminar glands absent;

venation palmate at base and pinnate distally [pinnate].

1–3-flowered.

unisexual [bisexual], axillary, fascicles [racemes] or flowers solitary;

bracts subtending pistillate flowers minute, not enlarging in fruit;

glands subtending each bract 0.

staminate 2 mm, pistillate 3–5 mm in flower to 20 mm in fruit.

present.

greenish white;

sepals lanceolate, acute, 2 mm, hairy;

stamens whitish;

filaments 1.5 mm;

pistillode 3-parted.

sepals [4–]5, not petaloid, 2[–5] mm, valvate, distinct;

petals 0;

nectary extrastaminal, annular [5 glands], adnate to calyx;

stamens [6–-]14–17[–30], connate basally [distinct];

pistillode present [absent].

yellowish green;

sepals reflexed at anthesis, ovate to lanceolate, acute, 2–-3 mm, puberulent;

ovary 1.5–2.5 mm diam.;

styles 2 mm.

sepals 5(–6)[–7], distinct;

petals 0;

nectary annular;

pistil (2–)3(–4)–carpellate;

styles (2–)3(–4), distinct [connate basally], deeply multifid.

capsules.

subglobose, 1–-1.3 cm diam., hairy.

4–-5 mm.

subglobose;

caruncle absent.