Olsynium douglasii

(A. Dietrich) E. P. Bicknell

Bull. Torrey Bot. Club 27: 237. 1900.

IllustratedEndemic
Basionym: Sisyrinchium douglasii A. Dietrich Sp. Pl. 2: 504. 1833,
Treatment appears in FNA Volume 26.
Revision as of 21:16, 5 November 2020 by imported>Volume Importer
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Stems to 4.1 dm × 1–4.6 mm. Leaf blades 1.5–4.5 mm wide distal to midlength. Spathes 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. Tepals 12.5–33 mm; filaments 6–12.2 mm; anthers 3–10.2 mm; ovary 2–5.6 mm; pedicel 2–3.8 cm. Capsules 4.5–11.3 mm. 2n = 64.

Discussion

Varieties 2 (2 in the flora).

Selected References

None.

Key

1 Filament column abruptly and broadly flared at base. Olsynium douglasii var. inflatum
1 Filament column slightly or not flared. Olsynium douglasii var. douglasii