Flora of North America species comparison

erect, branched.

slender, ascending, branching, 2–15 cm.

cauline, alternate;

stipules absent;

petiolate;

blade margins entire.

0.3–3 × 0.1–0.6 cm;

petiole 0.2–0.7 cm;

blade sometimes with purple spots, narrowly lanceolate to oblanceolate.

racemes, nodding at anthesis, erect in fruit.

bisexual, actinomorphic, buds erect;

floral tube deciduous (with sepals, petals, and stamens) after anthesis, nectary unknown, presumably at base of tube;

sepals 4, reflexed singly or in pairs;

petals 4, white, yellow at base, fading purple;

stamens 8 in 2 subequal series, anthers basifixed, pollen shed singly;

ovary 4-locular, stigma subentire or slightly lobed, subcapitate, surface unknown, probably wet and non-papillate.

opening at sunrise;

floral tube 1–2 mm;

sepals often reddish green, 1.5–2.5 mm;

petals white with yellow area at base, broadly obovate, apex notched, 1.5–3 mm; episepalous staminal filaments 1–1.7 mm, epipetalous ones 0.5–1 mm, anthers 0.3–0.4 mm;

style 2.2–4 mm, stigma 1–1.5 mm diam., surrounded by anthers at anthesis.

a capsule, straight or slightly curved, terete, loculicidally dehiscent;

pedicellate.

ascending or spreading, 12–18 × 1.2–1.6 mm;

pedicel 4–8 mm.

numerous, in 2 rows per locule, (appearing as 1 by crowding), with thick wing on concave side, wing and convex side covered with glassy, clavate hairs.

1–1.5 × 0.6–0.8 mm, broader at 1 end, ends truncate (where contacting next seed in row), clavate hairs longer at one end, shortest in middle.

= 14.