Comprehensive Description
provided by North American Flora
Phyllospadix scouleri Hook. PI. Bor. Am. 2 : 171. 1838
Phyllospadix serrulaius Rupr.; Aschers. Linnaea 35 : 169. 1867.
Stem winged, mostly simple, 1-4 dm. long ; leaves all submerged, linear, flat 0.5-2 m. long, 2-4 mm. wide, entire, rarely serrulate, obtuse at the apex, sheathing at the base ; primary nerves 3, with usually several intermediary secondary ones ; inflorescence a spadix, 2-4 cm. long ; spathe prominently winged, half enclosing the flowers ; peduncles basal, simple, solitary or in 2' s with sheathing basal bracts, 1-5 cm. long ; staminate flower unknown ; pistillate flower of sessile ovaries in 2 rows ; style short, crowned with 2 slender stigmas ; mature fruit ovate, 2-3 mm. long, 1 -seeded, at the apex beaked with the persistent style and deeply cordate-sagittate at the base, with often 2 wings projecting downwards from the face of the fruit ; seed globose, the testa thick. Numerous sterile flowers occur with staminodia-like appendages.
Type locality : Dundas Island, Columbia River. Distribution : Pacific coast from British Columbia to California.
- bibliographic citation
- Percy Wilson, Per Axel Rydberg, Norman Taylor, Nathaniel Lord Britton, John Kunkel Small, George Valentine Nash. 1909. PANDANALES-POALES; TYPHACEAE, SPARGANACEAE, ELODEACEAE, HYDROCHARITACEAE, ZANNICHELLIACEAE, ZOSTERACEAE, CYMODOCEACEAE, NAIADACEAE, LILAEACEAE, SCHEUCHZERIACEAE, ALISMACEAE, BUTOMACEAE, POACEAE (pars). North American flora. vol 17(1). New York Botanical Garden, New York, NY
