Allium macrum |
Allium cuthbertii |
|
---|---|---|
rock onion |
striped garlic |
|
Bulbs | 1–3, not clustered on stout, primary rhizome, globose to ovate, 0.6–2 × 0.5–1.5 cm; outer coats enclosing 1 or more bulbs, brownish, membranous, lacking cellular reticulation or cells arranged in only 2–3 rows distal to roots, ± quadrate, without fibers; inner coats white, lacking cellular reticulation. |
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 | usually persistent, withering from tip at anthesis, 2, basally sheathing, sheaths not extending much above soil surface; blade solid, flat or channeled, ± falcate, 12–38 cm × 2–3 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, not expanded proximal to inflorescence, 9–32 cm × 0.5–4 mm. |
persistent, solitary, erect, terete or ± 3–4-angled, 20–40 cm × 1–3.5 mm. |
Umbel | persistent, erect, loose, 10–20-flowered, globose, bulbils unknown; spathe bracts persistent, 2, 3–7-veined, lanceolate to lance-ovate, ± equal, apex abruptly acute. |
persistent, erect, loose, 10–25-flowered, hemispheric-globose, bulbils unknown; spathe bracts persistent, 2–3, 5–7-veined, lanceolate, ± equal, apex acuminate. |
Flowers | campanulate, 5–7 mm; tepals spreading, white or pinkish with prominent red midveins, narrowly lanceolate, ± equal, becoming papery in fruit, margins entire, apex acuminate; stamens equaling tepals or exserted; anthers yellow; pollen yellow; ovary crested; processes 3, thick, obtuse, margins entire; style linear, equaling stamens; stigma capitate, scarcely thickened, unlobed; pedicel 5–20 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; cells ± smooth. |
coat shining; cells each with obscure, central papilla. |
2n | = 14. |
= 14. |
Allium macrum |
Allium cuthbertii |
|
Phenology | Flowering Apr–May. | Flowering May–early Jun. |
Habitat | Barren, gravelly soils | On granitic “flat-rocks” of Piedmont and in sand on coastal plains |
Elevation | 100–1400 m (300–4600 ft) | 0–300 m (0–1000 ft) |
Distribution |
OR; WA
|
AL; FL; GA; NC; SC
|
Source | FNA vol. 26, p. 267. | FNA vol. 26, p. 241. |
Parent taxa | Liliaceae > Allium | Liliaceae > Allium |
Sibling taxa | ||
Synonyms | A. equicaeleste | |
Name authority | S. Watson: Proc. Amer. Acad. Arts 14: 233. (1879) | Small: Fl. S.E. U.S., 264, 1328. (1903) |
Web links |