Allium campanulatum S.Watson
Family: Amaryllidaceae
Rosy Sierran Onion
[Allium austinae M.E.Jones,  more...]
Allium campanulatum image
Barry Breckling  

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.

Flowering late May--Aug. Generally sandy soils on open or shaded slopes; 600--2600 m; Calif., Nev., Oreg.

Allium campanulatum image
Barry Breckling  
Allium campanulatum image
Keir Morse  
Allium campanulatum image
Charles Webber  
Allium campanulatum image
Charles Webber  
Allium campanulatum image
Robert Potts  
Allium campanulatum image
Keir Morse  
Allium campanulatum image
Keir Morse  
Allium campanulatum image
Gary A. Monroe  
Allium campanulatum image
Barry Breckling  
Allium campanulatum image
Barry Breckling