(rarely all 2-fid or all 3-fid?); stamens 3 (or 2); widespread. Eleocharis obtusa 12 All or some culms with distal leaf sheath apex with distinct, abrupt
35 KB (229 words) - 21:44, 5 November 2020
of Eleocharis lanceolata from Tennessee appear to be intermediate with E. obtusa. The California record is an introduced rice-field weed collected in 1949
3 KB (295 words) - 21:38, 5 November 2020
as long as the spikelets; plants with stolons or shallow rhizomes (sect. Obtusa) Panicum obtusum 3 Lower glumes 1- or 3-veined, 1/2 - 2/3 as long as the
20 KB (1,030 words) - 01:29, 21 December 2023
Watson) Greene Rorippa curvipes var. alpina (S. Watson) Stuckey Rorippa obtusa var. alpina (S. Watson) Britton Treatment appears in FNA Volume 7. Treatment
4 KB (336 words) - 23:36, 5 November 2020
curvipes var. truncata (Jepson) Rollins Rorippa integra Rydberg Rorippa obtusa var. integra (Rydberg) Victorin Rorippa truncata Rorippa underwoodii Treatment
5 KB (372 words) - 23:36, 5 November 2020
Candolle) Hooker & Arnott Nasturtium walteri (Elliott) Alph. Wood Rorippa obtusa (Nuttall) Britton Rorippa teres var. rollinsii Stuckey Rorippa walteri (Michaux)
5 KB (373 words) - 23:36, 5 November 2020
as achene. Some specimens are intermediate between E. engelmannii and E. obtusa, or rarely with E. lanceolata. I have not seen specimens to verify literature
5 KB (487 words) - 21:38, 5 November 2020
sterile tetraploids of intermediate morphology. It also crosses with W. obtusa subsp. obtusa, resulting in the sterile tetraploid W. × kansana Brooks. F. S. Wagner
5 KB (388 words) - 21:23, 5 November 2020
long. > 5 5 Panicles 5-15 cm long, 2.5-6 cm wide, ovoid, erect Glyceria obtusa 5 Panicles 15-25 cm long, 0.8-1.5 cm wide, linear, nodding Glyceria melicaria
15 KB (1,188 words) - 17:25, 11 May 2021
traditionally regarded as A. gmelinii in a strict sense (A. patula var. obtusa). The two entities, var. gmelinii and var. alaskensis, are treated herein
5 KB (517 words) - 22:59, 5 November 2020