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Geyer's onion

chives

Bulbs

2–10+; ovoid or slightly elongate;

outer coats enclosing 1 or more bulbs, reticulate;

cells rather coarse-meshed; open, fibrous.

1 or more, clustered; short-rhizomatous at base, cylindric, elongate;

outer coats enclosing bulbs, persisting as fibrous reticulum but often appearing membranous because outer coats are often not collected;

cells minutely striate.

Leaves

persistent, usually green at anthesis, usually 3–5;

blades solid; more or less straight; flat, channeled; (6)12– 30 cm × 1–3(5) mm.

persistent, green at anthesis, usually 2;

blades hollow; terete, 20–60 cm × 2–7 mm.

Scapes

persistent; solitary; erect; terete or somewhat 2-angled, 10–50 cm × 1–3 mm.

persistent, 2–12+, clustered; erect; terete; hollow, 20–50 cm × 3–5 mm.

Umbels

persistent; erect; compact, 10–25-flowered, hemispheric to globose, not producing bulbils, or 0–5-flowered, largely replaced by ovoid, acuminate bulbils;

pedicels becoming rigid and stiffly spreading in fruit, 8–13 mm;

spathe bracts 2–3.

persistent; erect; compact, 30–50-flowered; more or less subglobose;

pedicels 2–6 mm;

spathe bracts 2.

Flowers

(4)6–8(10) mm;

tepals erect or spreading; ovate to lanceolate; more or less equal, pink to white;

margins often obscurely toothed;

apex obtuse to acuminate;

stamens included;

ovary when present, inconspicuously crested with 3–6 low processes;

stigma unlobed or obscurely lobed.

8–12 mm;

tepals erect, elliptic to lanceolate; more or less equal, pale purple to deep lilac, drying pink, or white, permanently enclosing capsule;

margins entire;

apex acute to acuminate;

tips more or less recurved; midribs not thickened;

stamens included;

ovary crestless;

stigma unlobed or obscurely lobed.

2n

=16.

Allium geyeri

Allium schoenoprasum

Distribution
[WildflowerSearch map]
[BONAP county map]
[WildflowerSearch map]
[BONAP county map]
Discussion

2 varieties.

Wet meadows, rocky or gravelly stream banks and lake shores. Flowering May–Aug. 50–200 m. Col, WV. WA; circumboreal. Exotic?

Allium schoenoprasum is native to parts of North America. Its native range is unknown because of the difficulty of distinguishing native from introduced populations. The few Oregon populations are probably introduced.

Source Flora of Oregon, volume 1, page 139
Nick Otting, Richard Brainerd, Barbara Wilson
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. 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. punctum, A. robinsonii, A. sanbornii, A. siskiyouense, A. tolmiei, A. triquetrum, A. unifolium, A. validum, A. vineale
Subordinate taxa
A. geyeri var. geyeri, A. geyeri var. tenerum
Synonyms Allium sibiricum
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