Difference between revisions of "Boechera dispar"
Novon 13: 384. 2003.
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| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Arabis dispar | |name=Arabis dispar | ||
|authority=M. E. Jones | |authority=M. E. Jones | ||
| + | |publication_title=Contr. W. Bot. | ||
| + | |publication_place=8: 41. 1898 | ||
}} | }} | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
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|publication year=2003 | |publication year=2003 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V7/V7_514.xml |
|tribe=Brassicaceae tribe Boechereae | |tribe=Brassicaceae tribe Boechereae | ||
|genus=Boechera | |genus=Boechera | ||
Revision as of 20:22, 24 September 2019
Perennials; usually long-lived; sexual; caudex often woody. Stems usually 1 per caudex branch, arising from center of rosette near ground surface, 0.9–3 dm, densely pubescent proximally, trichomes short-stalked, 5–12-rayed, 0.1–0.3 mm, sparsely pubescent to glabrescent distally. Basal leaves: blade linear-oblanceolate, 2–5 mm wide, margins entire, not ciliate, surfaces densely pubescent, trichomes short-stalked, 5–12(–16)-rayed, 0.1–0.3 mm. Cauline leaves: 1–5, not concealing stem; blade without auricles, surfaces of distalmost leaves pubescent. Racemes 4–15(–20)-flowered, unbranched. Fruiting pedicels ascending, straight, 4–15(–25) mm, pubescent, trichomes appressed, branched. Flowers ascending at anthesis; sepals pubescent; petals purple to lavender, 3.5–6 × 1–1.5 mm, glabrous; pollen ellipsoid. Fruits divaricate-ascending, not appressed to rachis, not secund, straight, edges parallel, 4–7.3 cm × 2.7–4 mm; valves glabrous; ovules 44–52 per ovary; style 0.05–0.1 mm. Seeds uniseriate, 1.9–2.3 mm in diam.; wing continuous, 0.3–0.5 mm wide.
Phenology: Flowering Apr–May.
Habitat: Rocky slopes and gravelly soil in desert scrub and pinyon-juniper communities
Elevation: 1500-2300 m
Discussion
Boechera dispar is a distinctive sexual diploid that is known from Inyo, Mono, and San Bernardino counties, California, and Nye County, Nevada.
Selected References
None.