Show Lower Taxa
Olsynium douglasii
Bull. Torrey Bot. Club 27: 237. 1900.
Basionym: Sisyrinchium douglasii A. Dietrich Sp. Pl. 2: 504. 1833,
Treatment appears in FNA Volume 26.
Revision as of 19:33, 24 September 2019 by FNA>Volume Importer
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.
Distribution
w North America.
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 |