Similar species: Grasses, Bromeliads, Sedges
By morpheme
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Uploaded Aug 1, 2018. Captured Jul 31, 2018 12:04 in 1602 E Beaver Lake Dr SE, Sammamish, WA 98075, USA.
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comments (5)
The Juncus keys are a bit complex but you need to take note of inflorescence position, whether the plants are clump-forming or grow in rows from rhizomes. if the leaves have obvious cross-partitions at regular intervals or none, are flowers in closed or open heads? If closed then spherically arranged or spreading? Are there leaves at the flowering base? They will also ask about leaves in the inflorescence, leaf sheath, stamen number (3 or 6?), seeds (with or without an aril at the tips), and capsule shape. Those are the basics but there are other species-specific details, too. For Juncus species here in MN, I use Fasset's Manual (1957 but still good), Gleason and Cronquist (1991), and Flora of North America Vol. 22 (which covers the whole continent and is +/- up to date on the nomenclature). Posted 6 years ago