Allium acuminatum |
Allium cuthbertii |
|
---|---|---|
Hooker's onion, taper-tip onion |
striped garlic |
|
Bulbs | 1–12+, not basally clustered, not forming rhizomes, ovoid to ± globose, 0.8–1.6 × 0.9–1.6 cm; outer coats enclosing 1 or more renewal bulbs, ± yellow-brown, prominently cellular-reticulate, membranous, cells square or polygonal, walls thick, obscurely sinuous, without fibers; inner coats white, cells obscure, ± quadrate. |
usually solitary, without basal bulbels, ovoid, 1–1.8 × 1–1.2 cm; outer coats enclosing single bulb, grayish, reticulate, cells fine-meshed, open, fibrous; inner coats whitish, cells vertically elongate, regular. |
Leaves | persistent, withering from tip by anthesis, 2–3, basally sheathing, sheaths not extending much above soil surface; blade solid, subterete or ± channeled, 7–30 cm × 1–3 mm, margins entire. |
persistent, withering by anthesis, 2, sheathing; blade solid, flat, linear, 12–35 cm × 3–6 mm, margins entire or denticulate. |
Scape | persistent, solitary, erect, solid, terete, 10–35 cm × 1–3 mm. |
persistent, solitary, erect, terete or ± 3–4-angled, 20–40 cm × 1–3.5 mm. |
Umbel | persistent, erect, loose, 10–40-flowered, hemispheric, bulbils unknown; spathe bracts persistent, 2, 3–7-veined, lanceolate to ovate, ± equal, apex acuminate. |
persistent, erect, loose, 10–25-flowered, hemispheric-globose, bulbils unknown; spathe bracts persistent, 2–3, 5–7-veined, lanceolate, ± equal, apex acuminate. |
Flowers | campanulate, 8–15 mm; tepals erect, pink to rose-purple, or white, lanceolate to lance-ovate, unequal, becoming rigid and keeled in fruit, margins finely denticulate (inner tepal more prominently so), apex acuminate, outer tepal longer and wider than inner, spreading to recurved at tip, inner tepal with strongly recurved tips; stamens included; anthers yellow; pollen yellow; ovary crested; processes 3, central, 2-lobed, rounded, minute, margins entire; style linear, equaling stamens; stigma capitate, scarcely thickened, obscurely 3-lobed; pedicel 6–25 mm. |
± stellate, 7–9 mm; tepals spreading to reflexed, white to pinkish or purple, lanceolate, ± equal, remaining thin and becoming strongly reflexed in fruit, margins entire, apex acute; stamens included; anthers yellow; pollen yellow; ovary conspicuously crested; processes 6, central, irregularly contorted; style linear, equaling stamens; stigma capitate, unlobed or obscurely 3-lobed; pedicel 14–45 mm. |
Seed | coat dull or shining; cells minutely roughened. |
coat shining; cells each with obscure, central papilla. |
2n | = 14. |
= 14. |
Allium acuminatum |
Allium cuthbertii |
|
Phenology | Flowering Apr–Jul. | Flowering May–early Jun. |
Habitat | Dry slopes and plains | On granitic “flat-rocks” of Piedmont and in sand on coastal plains |
Elevation | 100–1500 m (300–4900 ft) | 0–300 m (0–1000 ft) |
Distribution |
AZ; CA; CO; ID; NV; OR; UT; WA; WY; BC
|
AL; FL; GA; NC; SC
|
Source | FNA vol. 26, p. 261. | FNA vol. 26, p. 241. |
Parent taxa | Liliaceae > Allium | Liliaceae > Allium |
Sibling taxa | ||
Synonyms | A. acuminatum var. cuspidatum, A. cuspidatum | |
Name authority | Hooker: Fl. Bor.-Amer. 2: 184, plate 196. (1838) | Small: Fl. S.E. U.S., 264, 1328. (1903) |
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