Difference between revisions of "Luzula comosa var. laxa"
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{{Taxobox | {{Taxobox | ||
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| name = '''''Luzula comosa''''' var. '''''laxa''''' | | name = '''''Luzula comosa''''' var. '''''laxa''''' | ||
| regnum = [[Plant]]ae | | regnum = [[Plant]]ae | ||
Revision as of 17:07, 16 January 2021
- Latin Name: Luzula comosa var. laxa
- Family: Juncaceae
- Common Names: Pacific woodrush
- Synonyms/Misapplications: Luzula intermedia, Luzula multiflora subsp. comosa
- Codon: LUZCOM
Contents
Taxonomy
| Luzula comosa var. laxa | |
|---|---|
| |
| Photo by Robert L. Carr. Also featured on Main Page. | |
| Scientific classification | |
| Kingdom: | Plantae |
| Subkingdom: | Tracheobionta |
| Phylum: | Spermatophyta |
| Subphylum: | Magnoliophyta |
| Class: | Magnoliopsida |
| Subclass: | Lilianae |
| Order: | Poales |
| Family: | Juncaceae |
| Genus: | Luzula DC. |
| Species: | Luzula comosa E. Mey |
| Subspecies: | Luzula comosa var. laxa Buch. |
Description
Native tufted perennial, reaching 1-4 dm in height.
Leaves are grass-like, reddish to green, with long, fine hairs along leaf margin.
Inflorescence consists of 1 to 6 brownish glomerules (a condensed, headlike, cluster of flowers). The individual flowers consist of 6 membranous pallid, brownish tepals. Luzula comosa var. laxa generally has a more open, subumbellate inflorescence than Luzula comosa var. comosa, which has a tighter capitate inflorescence.
Juncaceae family members are differentiated from grasses in that they typically feature round stems, without nodes. [1][2]
Bloom Period
April to July[1]
Distribution
BC to California, along both sides of Cascades, east to Alberta, Montana, Utah, and New Mexico.[2]
Habitat
Openings, rocky slopes, forest, and shores, coastal to montane.[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 
Photo Gallery
Referenecs
- ↑ 1.0 1.1 Bowcutt, F., & Hamman, Sarah. (2016). Vascular plants of the South Sound prairies (First ed.). Olympia, Washington: The Evergreen State College Press.
- ↑ 2.0 2.1 2.2 Hitchcock, C. L., Cronquist, A., Giblin, D., & Legler, B. et al. (2018). Flora of the Pacific Northwest: an illustrated manual. Seattle: University of Washington Press.
