Difference between revisions of "Boechera breweri"
Novon 13: 384. 2003.
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|name=Arabis breweri | |name=Arabis breweri | ||
|authority=S. Watson | |authority=S. Watson | ||
| + | |rank=species | ||
|publication_title=Proc. Amer. Acad. Arts | |publication_title=Proc. Amer. Acad. Arts | ||
|publication_place=11: 123. 1876 | |publication_place=11: 123. 1876 | ||
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|name=Arabis breweri var. figularis | |name=Arabis breweri var. figularis | ||
|authority=Jepson | |authority=Jepson | ||
| + | |rank=variety | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Arabis epilobioides | |name=Arabis epilobioides | ||
| − | |authority= | + | |authority= |
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Brassicaceae;Brassicaceae tribe Boechereae;Boechera;Boechera breweri | |hierarchy=Brassicaceae;Brassicaceae tribe Boechereae;Boechera;Boechera breweri | ||
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-->{{Treatment/Body | -->{{Treatment/Body | ||
| − | |distribution= | + | |distribution=Calif.;Oreg. |
|discussion=<p>Subspecies 2 (2 in the flora).</p><!-- | |discussion=<p>Subspecies 2 (2 in the flora).</p><!-- | ||
| − | --><p>Relatively few other sexual diploid species of <i>Boechera</i> co-occur with <i>B. breweri</i>, and the only currently recognized hybrid involving this taxon is <i>B. rubicundula</i> (= <i>B. arcuata</i> × <i>B. breweri</i>; M. D. Windham and I. A. Al-Shehbaz 2007). <i>Boechera breweri</i> appears to be related to <i>B. sparsiflora</i>, and some specimens of < | + | --><p>Relatively few other sexual diploid species of <i>Boechera</i> co-occur with <i>B. breweri</i>, and the only currently recognized hybrid involving this taxon is <i>B. rubicundula</i> (= <i>B. arcuata</i> × <i>B. breweri</i>; M. D. Windham and I. A. Al-Shehbaz 2007). <i>Boechera breweri</i> appears to be related to <i>B. sparsiflora</i>, and some specimens of <i></i>subsp.<i> shastaensis</i> can be difficult to separate from that species. The two subspecies appear to intergrade on the western side of the Sacramento Valley from Tehama to Solano counties.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Boechera breweri | name=Boechera breweri | ||
| − | |||
|authority=(S. Watson) Al-Shehbaz | |authority=(S. Watson) Al-Shehbaz | ||
|rank=species | |rank=species | ||
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|basionyms=Arabis breweri | |basionyms=Arabis breweri | ||
|family=Brassicaceae | |family=Brassicaceae | ||
| − | |distribution= | + | |distribution=Calif.;Oreg. |
|reference=None | |reference=None | ||
|publication title=Novon | |publication title=Novon | ||
|publication year=2003 | |publication year=2003 | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V7/V7_496.xml |
|tribe=Brassicaceae tribe Boechereae | |tribe=Brassicaceae tribe Boechereae | ||
|genus=Boechera | |genus=Boechera | ||
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| − | -->[[Category:Treatment]][[Category:Boechera]] | + | --> |
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| + | [[Category:Treatment]] | ||
| + | [[Category:Boechera]] | ||
| + | [[Category:Revised Since Print]] | ||
Latest revision as of 17:13, 6 November 2020
Perennials; long-lived; sexual; caudex woody. Stems usually 1 per caudex branch, arising from center of rosette, somewhat elevated on woody base or from ground surface, 0.6–3.5(–4.5) dm, densely pubescent proximally, trichomes long-stalked and simple, 2-rayed (sometimes all simple), 0.4–1 mm, sparsely pubescent or glabrous distally. Basal leaves: blade oblanceolate, 3–7(–11) mm wide, margins entire or dentate, ciliate proximally, trichomes to 1 mm, surfaces densely pubescent, trichomes long-stalked, 2–4-rayed, 0.4–0.8 mm. Cauline leaves: 5–15(–28), often concealing stem proximally; blade auricles 0.5–3(–5) mm, surfaces of distalmost leaves pubescent. Racemes 7–20(–30)-flowered, usually unbranched. Fruiting pedicels ascending to divaricate-ascending, straight, 3–25 mm, pubescent or glabrous, trichomes spreading, simple and 2-rayed. Flowers ascending at anthesis; sepals pubescent; petals usually purple (rarely lavender), 7–12 × 2–4 mm, glabrous; pollen ellipsoid. Fruits ascending to divaricate-ascending, not appressed to rachis, not secund, usually curved, rarely straight, edges parallel, 3.5–10 cm × 1.5–2.2 mm; valves usually glabrous, rarely sparsely pubescent; ovules 48–96 per ovary; style 0.05–0.3 mm. Seeds uniseriate, 1.2–1.7 × 1–1.2 mm; wing continuous, 0.1–0.2 mm wide distally.
Distribution
Calif., Oreg.
Discussion
Subspecies 2 (2 in the flora).
Relatively few other sexual diploid species of Boechera co-occur with B. breweri, and the only currently recognized hybrid involving this taxon is B. rubicundula (= B. arcuata × B. breweri; M. D. Windham and I. A. Al-Shehbaz 2007). Boechera breweri appears to be related to B. sparsiflora, and some specimens of subsp. shastaensis can be difficult to separate from that species. The two subspecies appear to intergrade on the western side of the Sacramento Valley from Tehama to Solano counties.
Selected References
None.
Key
| 1 | Stems 0.6-2 dm, pubescent distally; fruiting pedicels 3-8(-12) mm, pubescent; fruits 3.5-7.5 cm. | Boechera breweri subsp. breweri |
| 1 | Stems 1.8-3.5(-4.5) dm, glabrous distally; fruiting pedicels (7-)10-25 mm, usually glabrous; fruits (4.5-)7-10 cm. | Boechera breweri subsp. shastaensis |