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Munz's onion

Bulbs

usually solitary, not clustered on stout, primary rhizome, ovoid, 1–1.5 × 0.8–1.4 cm;

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

inner coats pale brown to white or pink, cells obscure, quadrate.

Leaves

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

blade solid, terete, 15–25 cm × 0.5–1.5 mm.

Scape

persistent, solitary, erect, solid, terete, 15–35 cm × 1–2.5 mm.

Umbel

persistent, erect, compact, 10–35-flowered, hemispheric, bulbils unknown;

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

Flowers

campanulate, 6–8 mm;

tepals erect, white with greenish midveins, becoming deep pink to red in fruit, ovate to nearly round, ± equal, becoming papery in fruit, margins entire to finely denticulate, apex obtuse (rarely acute), shallowly emarginate;

stamens included;

anthers yellow;

pollen yellow;

ovary crested;

processes 6, prominent, ± triangular, margins entire, apex emarginate;

style linear, equaling stamens;

stigma capitate, 3-lobed, lobes slender, recurved;

pedicel spreading, straight, 7–12 mm, becoming rigid and ± reflexed in fruit.

Seed

coat dull;

cells minutely roughened.

2n

= 14.

Allium munzii

Phenology Flowering Apr–mid May.
Habitat Clay soil on grassy slopes
Elevation 400–900 m (1300–3000 ft)
Distribution
from FNA
CA
[BONAP county map]
Discussion

Of conservation concern.

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

Source FNA vol. 26, p. 253.
Parent taxa Liliaceae > Allium
Sibling taxa
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. 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
Synonyms A. fimbriatum var. munzii
Name authority (Ownbey & Aase ex Traub) McNeal: Aliso 13: 415. (1992)
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