OregonFlora: Allium constrictum vs. Allium punctum

	Allium constrictum	Allium punctum
		punctate onion
Bulbs		1–3; ovoid to subglobose; outer coats enclosing 1 or more bulbs, membranous; more or less prominently cellular-reticulate; cells in more or less regular vertical rows, narrowly rectangular, transversely elongate; without fibers.
Leaves		usually deciduous with scape, green or withering only at tip at anthesis, 2; blades solid; flat, falcate, 9–18 cm × 2–5 mm.
Scapes		usually forming abscission layer and deciduous with leaves after seeds mature; solitary; erect; solid; more or less flattened, sometimes slightly winged, 3–10 cm × 1–2 mm.
Umbels		persistent; erect; more or less compact, 6–20-flowered, hemispheric; pedicels 5–11 mm; spathe bracts 2.
Flowers		6–13 mm; tepals erect, oblong-lanceolate; more or less equal, white to pinkish with narrow to very broad, purple midvein; margins entire; apex obtuse; stamens included; ovary crested with 3 low processes; stigma scarcely thickened, unlobed.
2n		=14.

	Allium constrictum	Allium punctum
Distribution	[WildflowerSearch map] [BONAP county map]	[WildflowerSearch map] [BONAP county map]
Discussion		Sandy, rocky soil, clay, sometimes alkaline soils on open slopes and flats. Flowering Apr–Jun. 500–2300 m. BR, BW, ECas, Lava, Owy. CA, NV. Native.
Source		Flora of Oregon, volume 1, page 142 Nick Otting, Richard Brainerd, Barbara Wilson
Sibling taxa	A. acuminatum, A. ampeloprasum, A. amplectens, A. anceps, A. bisceptrum, A. bolanderi, A. brandegeei, A. campanulatum, A. cernuum, A. crenulatum, A. dictuon, A. douglasii, A. falcifolium, A. fibrillum, A. geyeri, A. lemmonii, A. macrum, A. madidum, A. membranaceum, A. nevadense, A. nevii, A. nigrum, A. parvum, A. peninsulare, A. platycaule, A. punctum, A. robinsonii, A. sanbornii, A. schoenoprasum, A. siskiyouense, A. tolmiei, A. triquetrum, A. unifolium, A. validum, A. vineale	A. acuminatum, A. ampeloprasum, A. amplectens, A. anceps, A. bisceptrum, A. bolanderi, A. brandegeei, A. campanulatum, A. cernuum, A. crenulatum, A. dictuon, A. douglasii, A. falcifolium, A. fibrillum, A. geyeri, A. lemmonii, A. macrum, A. madidum, A. membranaceum, A. nevadense, A. nevii, A. nigrum, A. parvum, A. peninsulare, A. platycaule, A. robinsonii, A. sanbornii, A. schoenoprasum, A. siskiyouense, A. tolmiei, A. triquetrum, A. unifolium, A. validum, A. vineale
Web links	Local floras: WA Local Web sites: Flora NW, PNW Herbaria WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search	Local floras: CA, OR Local Web sites: CalFlora, CalPhotos, Flora NW, PNW Herbaria WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search

Allium constrictum

Allium punctum

punctate onion

Bulbs

1–3; ovoid to subglobose;

outer coats enclosing 1 or more bulbs, membranous; more or less prominently cellular-reticulate;

cells in more or less regular vertical rows, narrowly rectangular, transversely elongate; without fibers.

Leaves

usually deciduous with scape, green or withering only at tip at anthesis, 2;

blades solid; flat, falcate, 9–18 cm × 2–5 mm.

Scapes

usually forming abscission layer and deciduous with leaves after seeds mature; solitary; erect; solid; more or less flattened, sometimes slightly winged, 3–10 cm × 1–2 mm.

Umbels

persistent; erect; more or less compact, 6–20-flowered, hemispheric;

pedicels 5–11 mm;

spathe bracts 2.

Flowers

6–13 mm;

tepals erect, oblong-lanceolate; more or less equal, white to pinkish with narrow to very broad, purple midvein;

margins entire;

apex obtuse;

stamens included;

ovary crested with 3 low processes;

stigma scarcely thickened, unlobed.