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Aase's onion, South Idaho onion

Parish's onion, wild onion

Bulbs

2–10+, not clustered on stout, primary rhizome, ovoid, 1–2 × 0.8–1.5 cm;

outer coats enclosing 1 or more bulbs, brownish, membranous, with or without obscure reticulations, cells isodiametric or transversely elongate, ± contorted, without fibers;

inner coats white, pink, or red, cells obscure, ± quadrate.

1–2, not clustered on primary rhizome, without stalked basal increase bulbs, ovoid, 1–1.5 × 0.8–1.3 cm;

outer coats enclosing bulbs, brown to reddish brown, membranous, lacking cellular reticulation or cells arranged in only 2–3 rows distal to roots, ± quadrate, without fibers;

inner coats pinkish to reddish brown, cells obscure, ± rectangular, vertically elongate.

Leaves

usually deciduous with scape, green at anthesis, 2, basally sheathing, sheaths not extending much above soil surface;

blade solid, flat to ± terete, channeled, 7–25 cm × 1–4 mm, margins entire or minutely denticulate.

persistent, withering from tip by anthesis, 1, basally sheathing, sheath not extending much above soil level;

blade solid, terete, 5–30 cm × 1–3 mm.

Scape

usually forming abcission layer and deciduous with leaves after seeds mature, frequently breaking at this level after pressing, solitary, erect, solid, slightly flattened, with or without narrow, sometimes crenulate-denticulate wings, 5–12 cm × 1–2 mm.

persistent, solitary, erect, solid, terete, 5–25 cm × 1–3 mm.

Umbel

persistent, erect, compact, 5–25-flowered, hemispheric, bulbils unknown;

spathe bracts persistent, 2–3, 8–11-veined, ovate, ± equal, apex obtuse to acuminate.

persistent, erect, compact, 6–15-flowered, hemispheric, bulbils unknown;

spathe bracts persistent, 2–3, 5–7-veined, ovate, ± equal, apex acuminate.

Flowers

campanulate, 6–9 mm;

tepals erect, bright pink fading to white with dark midribs, rarely white, oblong to lanceolate, ± equal, becoming papery in fruit, margins obscurely to distinctly serrulate-denticulate, apex obtuse to acuminate;

stamens included;

anthers yellow;

pollen yellow;

ovary crestless;

style included, linear;

stigma capitate, scarcely thickened, unlobed;

pedicel 3–10 mm.

narrowly campanulate, 12–18 mm;

tepals erect, spreading at tips, pale pink with darker midveins, lanceolate to lance-linear, ± equal, inner slightly shorter and narrower than outer, margins entire, apex acute, becoming rigid in fruit;

stamens included;

anthers yellow;

pollen yellow;

ovary crested;

processes 6, prominent, ± triangular, margins entire to irregularly denticulate;

style linear, equaling stamens;

stigma capitate, scarcely thickened, minutely 3-lobed, lobes stout, ± spreading;

pedicel 5–15 mm.

Seed

coat shining;

cells smooth.

coat dull or shining;

cells minutely roughened.

2n

= 14.

= 14.

Allium aaseae

Allium parishii

Phenology Flowering Apr–May. Flowering Apr–May.
Habitat Coarse, sandy soil and gravelly river benches Rocky, sandy desert slopes
Elevation 800–1100 m (2600–3600 ft) 900–1400 m (3000–4600 ft)
Distribution
from FNA
ID
[WildflowerSearch map]
[BONAP county map]
from FNA
AZ; CA
[WildflowerSearch map]
[BONAP county map]
Discussion

Allium aaseae is known only from Ada and southern Gem counties and Rebecca Sand Hill, Washington County, and is considered of conservation concern by the Idaho Department of Fish and Game.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 26, p. 268. FNA vol. 26, p. 249.
Parent taxa Liliaceae > Allium Liliaceae > Allium
Sibling taxa
A. abramsii, A. acuminatum, A. ampeloprasum, A. amplectens, A. anceps, A. atrorubens, A. bigelovii, A. bisceptrum, A. bolanderi, A. brandegeei, A. brevistylum, A. burlewii, A. campanulatum, A. canadense, A. cepa, A. cernuum, A. columbianum, A. constrictum, A. coryi, A. cratericola, A. crenulatum, A. crispum, A. cuthbertii, A. denticulatum, A. diabolense, A. dichlamydeum, A. dictuon, A. douglasii, A. drummondii, A. elmendorfii, A. falcifolium, A. fibrillum, A. fimbriatum, A. fistulosum, A. geyeri, A. gooddingii, A. haematochiton, A. hickmanii, A. hoffmanii, A. howellii, A. hyalinum, A. jepsonii, A. kunthii, A. lacunosum, A. lemmonii, A. macropetalum, A. macrum, A. madidum, A. membranaceum, A. monticola, A. munzii, A. neapolitanum, A. nevadense, A. nevii, A. nigrum, A. obtusum, A. oleraceum, A. paniculatum, A. parishii, A. parryi, A. parvum, A. passeyi, A. peninsulare, A. perdulce, A. platycaule, A. plummerae, A. praecox, A. punctum, A. rhizomatum, A. robinsonii, A. rotundum, A. runyonii, A. sanbornii, A. sativum, A. schoenoprasum, A. scilloides, A. serra, A. sharsmithiae, A. shevockii, A. simillimum, A. siskiyouense, A. speculae, A. stellatum, A. textile, A. tolmiei, A. tribracteatum, A. tricoccum, A. triquetrum, A. tuberosum, A. tuolumnense, A. unifolium, A. validum, A. victorialis, A. vineale, A. yosemitense
A. aaseae, A. abramsii, A. acuminatum, A. ampeloprasum, A. amplectens, A. anceps, A. atrorubens, A. bigelovii, A. bisceptrum, A. bolanderi, A. brandegeei, A. brevistylum, A. burlewii, A. campanulatum, A. canadense, A. cepa, A. cernuum, A. columbianum, A. constrictum, A. coryi, A. cratericola, A. crenulatum, A. crispum, A. cuthbertii, A. denticulatum, A. diabolense, A. dichlamydeum, A. dictuon, A. douglasii, A. drummondii, A. elmendorfii, A. falcifolium, A. fibrillum, A. fimbriatum, A. fistulosum, A. geyeri, A. gooddingii, A. haematochiton, A. hickmanii, A. hoffmanii, A. howellii, A. hyalinum, A. jepsonii, A. kunthii, A. lacunosum, A. lemmonii, A. macropetalum, A. macrum, A. madidum, A. membranaceum, A. monticola, A. munzii, A. neapolitanum, A. nevadense, A. nevii, A. nigrum, A. obtusum, A. oleraceum, A. paniculatum, A. parryi, A. parvum, A. passeyi, A. peninsulare, A. perdulce, A. platycaule, A. plummerae, A. praecox, A. punctum, A. rhizomatum, A. robinsonii, A. rotundum, A. runyonii, A. sanbornii, A. sativum, A. schoenoprasum, A. scilloides, A. serra, A. sharsmithiae, A. shevockii, A. simillimum, A. siskiyouense, A. speculae, A. stellatum, A. textile, A. tolmiei, A. tribracteatum, A. tricoccum, A. triquetrum, A. tuberosum, A. tuolumnense, A. unifolium, A. validum, A. victorialis, A. vineale, A. yosemitense
Name authority Ownbey: Res. Stud. State Coll. Wash. 18: 19, fig. 18. (1950) S. Watson: Proc. Amer. Acad. Arts 17: 380. (1882)
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