All Floras      Advanced Search
FNA Vol. 26 Page 229, 249, 250 Login | eFloras Home | Help
FNA | Family List | FNA Vol. 26 | Liliaceae | Allium

37. Allium howellii Eastwood, Leafl. W. Bot. 2: 109. 1938.

Bulbs usually solitary, not clustered on stout, primary rhizome, ovoid to ± globose, 0.9–1.7 × 0.8–2 cm; outer coats enclosing bulb, dark reddish brown, membranous, lacking cellular reticulation or cells arranged in only 2–3 rows distal to roots, ± quadrate, without fibers; inner coats light brown to white, cells obscure, quadrate. Leaves persistent, withering from tip by anthesis, 1, basally sheathing, sheath not extending much above soil surface; blade solid, terete, 20–55 cm × 1–4 mm. Scape persistent, solitary, erect, solid, terete, 15–60 cm × 1–3.5 mm. Umbel persistent, erect, compact, 15–100-flowered, hemispheric, bulbils unknown; spathe bracts persistent, 2–4, 5–8-veined, lanceolate to broadly ovate, ± equal, apex mucronate to acuminate or long-acuminate. Flowers stellate to ± campanulate, 5–8 mm; tepals spreading to ± erect, white to pink or pale lavender with darker midveins, ovate to oblong, ± equal, becoming papery in fruit, margins entire, apex obtuse; stamens ± equaling tepals to long-exserted; anthers yellow or purple; pollen yellow; ovary crested; processes 6, prominent, ± triangular, margins ± irregularly denticulate to laciniate; style linear, equaling stamens or longer; stigma capitate, 3-lobed, lobes slender, recurved; pedicel 6–25 mm. Seed coat dull or shining; cells minutely roughened.

Varieties 3 (3 in the flora): California.

1 Scape 15–25(–35) cm; umbels generally 15–30 (–50)-flowered; tepals usually white to pink or lavender; ovary crests purple in fresh specimens.   37a var. howellii
+ Scape 20–60 cm; umbels generally 25–100-flowered; tepals usually white or pale pink; ovary crests white or greenish in fresh specimens.   (2)
2 (1) Stamens exserted, 2–4 mm.   37b var. sanbenitense
+ Stamens ± equaling tepals.   37c var. clokeyi


Related Objects  
  • Distribution Map
  • Map

     |  eFlora Home |  People Search  |  Help  |  ActKey  |  Hu Cards  |  Glossary  |