Olsynium
Olsynium douglasii
grass widows, grass-widow, purple-eyed grass
Douglas' blue-eyed-grass (var. douglasii), Douglas' grass-widow, grass widows, grass-widow, purple blue-eyed-grass (var. inflatum), purple-eyed grass, purple-eyed grass-widow, satinflower
simple, terete.
to 4.1 dm × 1–4.6 mm.
2–4, cauline, alternate, reduced basally;
blade basally clasping or terete.
blades 1.5–4.5 mm wide distal to midlength.
rhipidiate, 1–5-flowered;
spathes 2, green, leaflike, unequal, apex acute or, rarely, obtuse.
not fragrant, actinomorphic;
tepals distinct, reddish purple to magenta, occasionally pink or white, not clawed, ± equal;
stamens symmetrically arranged;
filaments connate to 1/2 their length;
anthers parallel, not appressed to style branches;
style branches 3, filiform, short, extending between anthers.
4.3–7 mm wide, outer 2–6.2 cm;
hyaline margins 0.2–0.5(–1.6) mm wide, extending to just proximal to, or occasionally exceeding, green apex.
globose to obovoid or broadly turbinate, ± smooth to distended around seeds, apex broadly rounded, basal 0.2 mm of styles sometimes persistent.
4.5–11.3 mm.
many, obconic, angular;
seed coat brown, coarsely rugulose.
12.5–33 mm;
filaments 6–12.2 mm;
anthers 3–10.2 mm;
ovary 2–5.6 mm;
pedicel 2–3.8 cm.
= 32.
= 64.
Olsynium
Olsynium douglasii
Species 12 (1 in the flora).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Varieties 2 (2 in the flora).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
1. Filament column abruptly and broadly flared at base. | var. inflatum |
1. Filament column slightly or not flared. | var. douglasii |
CA
OR
WA
Flora NW
PNW Herbaria
WildflowerSearch
iNaturalist
USDA Plants Database
BC
