Allium cuthbertii |
Allium hickmanii |
|
---|---|---|
striped garlic |
Hickman's onion |
|
Bulbs | 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. |
1–5+, not clustered on stout primary rhizome, increase bulbs absent or ± equaling parent bulbs, never appearing as basal cluster, ovoid to ± globose, 0.8–1.2 × 0.7–1.2 cm; outer coats enclosing 1 or more bulbs, gray to gray-brown, prominently cellular-reticulate, membranous, cells arranged in ± vertical rows, forming irregular herringbone pattern, transversely elongate, wavy, V-shaped, without fibers; inner coats white, cells obscure, ± quadrate. |
Leaves | persistent, withering by anthesis, 2, sheathing; blade solid, flat, linear, 12–35 cm × 3–6 mm, margins entire or denticulate. |
persistent, withering from tip by anthesis, 2, basally sheathing, sheaths not extending much above soil level; blades solid, subterete, 3–20 cm × 0.5–1 mm, margins entire. |
Scape | persistent, solitary, erect, terete or ± 3–4-angled, 20–40 cm × 1–3.5 mm. |
persistent, solitary, erect, solid, terete, (3–)5–15(–17) cm × 0.5–2 mm. |
Umbel | persistent, erect, loose, 10–25-flowered, hemispheric-globose, bulbils unknown; spathe bracts persistent, 2–3, 5–7-veined, lanceolate, ± equal, apex acuminate. |
persistent, erect, compact, 4–15-flowered, hemispheric, bulbils unknown; spathe bracts persistent, 2, 3–5-veined, broadly ovate, ± equal, apex mucronate. |
Flowers | ± 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. |
campanulate, 5–7 mm; tepals erect, white to pale pink, lanceolate to lance-ovate, ± equal, becoming papery in fruit and remaining erect, margins entire, apex acute or obtuse, becoming ± involute at tip and appearing short-acuminate; stamens included; anthers white; pollen white; ovary crested or crestless; processes 3, central, rounded, very minute, margins entire; style linear, equaling stamens; stigma capitate, scarcely thickened, unlobed; pedicel 4–12 mm. |
Seed | coat shining; cells each with obscure, central papilla. |
coat dull; cells minutely roughened. |
2n | = 14. |
= 14. |
Allium cuthbertii |
Allium hickmanii |
|
Phenology | Flowering May–early Jun. | Flowering Mar–May. |
Habitat | On granitic “flat-rocks” of Piedmont and in sand on coastal plains | Grassy, wooded slopes and flats |
Elevation | 0–300 m (0–1000 ft) | 0–50 m (0–200 ft) |
Distribution |
AL; FL; GA; NC; SC
|
CA |
Discussion | Of conservation concern. Allium hickmanii is a rare endemic of the Monterey Peninsula and Arroyo de la Cruz. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
|
Source | FNA vol. 26, p. 241. | FNA vol. 26, p. 262. |
Parent taxa | Liliaceae > Allium | Liliaceae > Allium |
Sibling taxa | ||
Name authority | Small: Fl. S.E. U.S., 264, 1328. (1903) | Eastwood: Bull. Torrey Bot. Club 30: 483. (1903) |
Web links |