Allium aaseae

Ownbey

Res. Stud. State Coll. Wash. 18: 19, fig. 18. 1950.

IllustratedEndemic
Treatment appears in FNA Volume 26. Treatment on page 268. Mentioned on page 232, 269.

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. 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. 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. Umbel persistent, erect, compact, 5–25-flowered, hemispheric, bulbils unknown; spathe bracts persistent, 2–3, 8–11-veined, ovate, ± equal, apex obtuse to 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. Seed-coat shining; cells smooth. 2n = 14.


Phenology: Flowering Apr–May.
Habitat: Coarse, sandy soil and gravelly river benches
Elevation: 800–1100 m

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.

Selected References

None.

Lower Taxa

None.

"thicker" is not a number."broad" is not a number.

... more about "Allium aaseae"
versatile +  and dorsifixed +
cordate +  and linear +
Obtuse (?) +  and Acuminate (?) +
Dale W. McNeal Jr. +  and T. D. Jacobsen +
Ownbey +
whorled +, opposite +  and alternate +
dilated +
straight +
7 cm70 mm <br />0.07 m <br /> (25 cm250 mm <br />0.25 m <br />) +
channeled +, flat +  and more or less terete +
1mm;4mm +
conspicuous +
1cm +  and 2cm +
2 +  and 10 +
0.8 cm8 mm <br />0.008 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
roughened +  and smooth +
quadrate +, elongate +  and isodiametric +
800–1100 m +
connate-coroniform +  and dilated +
sessile +  and pedicellate +
unisexual +  and bisexual +
0.6 cm6 mm <br />0.006 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
loculicidal +
membranaceous +  and leathery +
Coarse, sandy soil and gravelly river benches +
paired +, paniculate +  and racemose +
red +, pink +  and white +
deciduous +
serrulate-denticulate +, denticulate +  and entire +
crested;3-lobed +
many;several +
spreading +  and erect +
0.3 cm3 mm <br />0.003 m <br /> (1 cm10 mm <br />0.01 m <br />) +
membranous +
zygomorphic +  and actinomorphic +
Flowering Apr–May. +
Res. Stud. State Coll. Wash. +
deciduous +
5cm +  and 12cm +
flattened +
1mm +  and 2mm +
wind-distributed +
1 +  and many +
obovoid +
Illustrated +  and Endemic +
adnate +  and free +
1 +  and several +
Allium aaseae +
species +
white;fading;white +
persisting +
distinct +
oblong +  and lanceolate +
sepaloid +  and petaloid +
narrower +
5-25-flowered +
persistent +
crenulate-denticulate +
9 +, 8 +  and 7 +