Difference between revisions of "Zigadenus venenosus var. gramineus"
in C. L. Hitchcock et al., Vasc. Pl. Pacif. N.W. 1: 815. 1969.
Common names: Grassy death camas
Endemic
Basionym: Zigadenus gramineus Rydberg Bull. Torrey Bot. Club 27: 535. 1900 (as Zygadenus)
Synonyms: Toxicoscordion acutum (Rydberg) Rydberg Toxicoscordion falcatum (Rydberg) Rydberg Toxicoscordion gramineum (Rydberg) Rydberg Toxicoscordion intermedium (Rydberg) Rydberg Zigadenus acutus Rydberg Zigadenus falcatus Rydberg Zigadenus intermedius Rydberg
Treatment appears in FNA Volume 26. Treatment on page 84.
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|accepted_name=Zigadenus venenosus var. gramineus | |accepted_name=Zigadenus venenosus var. gramineus | ||
| − | |accepted_authority=(Rydberg) O. S. Walsh ex C. L. Hitchcock | + | |accepted_authority=(Rydberg) O. S. Walsh ex C. L. Hitchcock |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
|title=in C. L. Hitchcock et al., Vasc. Pl. Pacif. N.W. | |title=in C. L. Hitchcock et al., Vasc. Pl. Pacif. N.W. | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Zigadenus venenosus var. gramineus | name=Zigadenus venenosus var. gramineus | ||
| − | |authority=(Rydberg) O. S. Walsh ex C. L. Hitchcock | + | |authority=(Rydberg) O. S. Walsh ex C. L. Hitchcock |
|rank=variety | |rank=variety | ||
|parent rank=species | |parent rank=species | ||
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|publication year=1969 | |publication year=1969 | ||
|special status=W2;W1;Endemic | |special status=W2;W1;Endemic | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V26/V26_78.xml |
|genus=Zigadenus | |genus=Zigadenus | ||
|species=Zigadenus venenosus | |species=Zigadenus venenosus | ||
Latest revision as of 21:17, 5 November 2020
Inflorescences mostly paniculate with 1–2 basal branches, occasionally racemose, 2–15 × 2–5 cm. Flowers: outer tepals not clawed, or clawed less than 5 mm. Capsules 9–20 × 4–7 mm.
Phenology: Flowering Apr–Jul.
Habitat: Inland grasslands, open pine woods
Elevation: 500–1300 m
Distribution
Alta., B.C., Sask., Colo., Idaho, Mont., Nebr., N.Dak., Oreg., S.Dak., Wash., Wyo.
Discussion
Variety gramineus is most easily distinguished from var. venenosus by its paniculate inflorescence, although some individuals in each population are racemose. It occurs well inland, east of the Cascade and Rocky mountains and at high elevations within those ranges.
Selected References
None.
Lower Taxa
None.