OregonFlora species comparison

5–20+; increase bulbs absent or more or less equaling parent bulbs, never appearing as basal cluster; ovoid;

outer coats enclosing renewal bulbs; more or less translucent, obscurely cellular-reticulate; thin, membranous; meshes delicate;

cells vertically elongate, contorted; without fibers.

persistent, green at anthesis, 2–3;

blades solid; flat, not falcate; more or less keeled, 15–50 cm × 3–15 mm;

margins entire.

usually withering from tip by anthesis, usually persistent, 1–12;

basal;

blade usually linear; terete, channeled, or flat (keeled in A. triquetrum and A. unifolium); straight or more or less falcate, usually not petiolate.

persistent, clustered; erect; solid, sharply 3-angled, 10–40 cm × 1–10 mm.

usually persistent; terete, flattened, or triangular.

umbellate;

flowers sometimes replaced by bulbils;

pedicels erect or spreading (lax in A. triquetrum), subtending spathe bracts conspicuous; more or less fused, membranous.

persistent; lax; loose, 3–15-flowered; more or less 1-sided;

pedicels 15–25 mm;

spathe bracts 1–2.

becoming pendent, 10–18 mm;

tepals erect to spreading, lanceolate; more or less equal, white with prominent green midrib;

margins entire;

apex acute;

stamens included;

ovary crestless;

stigma scarcely thickened, unlobed.

erect (pendent in A. triquetrum);

tepals 6; in 2 similar whorls; more or less distinct; petal-like, usually persistent;

stamens 6;

filaments usually broad at base, fused into ring, glabrous (papillose to ciliate proximally);

ovary superior, 3-lobed, sometimes crested; crests obscure to prominent;

style 1;

stigma usually narrowly capitate to more or less 3-lobed.

loculicidal capsules.

black; smooth and shiny or minutely roughened.

=18.