Allium campanulatum

S. Watson

Proc. Amer. Acad. Arts 14: 231. 1879.

Synonyms: Allium austinae M. E. Jones Allium bidwelliae S. Watson Allium campanulatum var. bidwelliae (S. Watson) Jepson
Treatment appears in FNA Volume 26. Treatment on page 256. Mentioned on page 225, 230.

Bulbs 1–3, producing cluster of stalked basal bulbels distal to roots or filiform rhizomes to 10 cm and terminated by bulbels, ovoid, 1–2 × 0.6–1.4 cm; outer coats enclosing 1 or more bulbs, brown to gray, membranous, cellular-reticulate, cells ± quadrate, walls very sinuous, without fibers; inner coats pink to white, cells obscure, vertically elongate. Leaves persistent, withering from tip by anthesis, 2, basally sheathing, sheaths not extending much above soil surface; blade solid, flat, distinctly concave-convex, 8–40 cm × 1–5 mm, margins entire. Scape persistent, solitary or clustered, 1–3, erect, solid, terete, 10–30 cm × 1–5 mm. Umbel persistent, erect, loose, 10–50-flowered, ± globose, bulbils unknown; spathe bracts persistent, 2–3, 3–5-veined, ovate to lanceolate, ± equal, apex acuminate. Flowers stellate, 5–8 mm; tepals spreading, rose to purple (rarely white) with darker purple crescent adaxially basally, lanceolate to ovate, ± equal, carinate in fruit, becoming erect, ± shiny, rigid, margins entire, apex acuminate, strongly involute at tip; stamens included; anthers purple; pollen yellow; ovary crested; processes 6, prominent, low, central, triangular, margins minutely denticulate; style linear, ± equaling stamens; stigma capitate, scarcely thickened, unlobed; pedicel 10–20 mm, becoming flexuous and mostly strongly deflexed in fruit. Seed coat shining; cells each with minute, central papilla. 2n = 14, 28.

Phenology: Flowering late May–Aug.
Habitat: Generally sandy soils on open or shaded slopes
Elevation: 600–2600 m


Selected References


Lower Taxa

... more about "Allium campanulatum"
Dale W. McNeal Jr. +  and T. D. Jacobsen +
S. Watson +
Calif. +, Nev. +  and Oreg. +
600–2600 m +
Generally sandy soils on open or shaded slopes +
Flowering late May–Aug. +
Proc. Amer. Acad. Arts +
Allium austinae +, Allium bidwelliae +  and Allium campanulatum var. bidwelliae +
Allium campanulatum +
species +