Difference between revisions of "Luzula comosa var. laxa"
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Luzula spp have a spikelike, pan-like, or umbellate inflorescence. Perianth is greenish to brown or purplish-brown, and often scarious. They are generally shiny, have 6 stamens, their caps are one celled, 3 seeded and are generally attached by cottony fibers, sometimes with a caruncle. They are a "grasslike" perennial herb that has closed leaves that are flat blades, fringed with small hairs. <ref>Hitchcock and Cronquist "Flora of the Pacific Northwest"</ref> One native western "woodrush" species found in the south Puget Sound glacial outwash prairies is ''Luzula comosa''. | Luzula spp have a spikelike, pan-like, or umbellate inflorescence. Perianth is greenish to brown or purplish-brown, and often scarious. They are generally shiny, have 6 stamens, their caps are one celled, 3 seeded and are generally attached by cottony fibers, sometimes with a caruncle. They are a "grasslike" perennial herb that has closed leaves that are flat blades, fringed with small hairs. <ref>Hitchcock and Cronquist "Flora of the Pacific Northwest"</ref> One native western "woodrush" species found in the south Puget Sound glacial outwash prairies is ''Luzula comosa''. | ||
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| + | ===Ecology=== | ||
| + | Common. Meadows, open woodlands, coniferous forests <ref>http://ucjeps.berkeley.edu/interchange/I_treat_indexes.html Mon May 7 14:59:43 2012</ref> | ||
Revision as of 14:02, 7 May 2012
Contents
Plant
Luzula spp have a spikelike, pan-like, or umbellate inflorescence. Perianth is greenish to brown or purplish-brown, and often scarious. They are generally shiny, have 6 stamens, their caps are one celled, 3 seeded and are generally attached by cottony fibers, sometimes with a caruncle. They are a "grasslike" perennial herb that has closed leaves that are flat blades, fringed with small hairs. [1] One native western "woodrush" species found in the south Puget Sound glacial outwash prairies is Luzula comosa.
Ecology
Common. Meadows, open woodlands, coniferous forests [2]
Seed
Seed sample from: 2008
Average Measurement: 1.5 x 0.9 x 0.9
Measurement Range: L: 1.2 – 1.8, W: 0.8 – 1, D:0.8 – 1
Features
Shape: Seeds have prominent white caruncle. Seed mostly round except for a slightly pointed tapering at hilum and opposite apex.
Color: Seed coat is white over a dark reddish brown seed body.
Surface: On one side of seed there is a cloudy white line that crosses from hilum to opposite apex. Seed is lustrous and marked with many fine longitudinal lines.
Latitudinal Cross Section: elliptical 
Longitudinal Cross Section: elliptical 
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- ↑ Hitchcock and Cronquist "Flora of the Pacific Northwest"
- ↑ http://ucjeps.berkeley.edu/interchange/I_treat_indexes.html Mon May 7 14:59:43 2012
