Difference between revisions of "Boechera goodrichii"
in A. Cronquist et al., Intermount. Fl. 2(B): 364. 2005.
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|accepted_name=Boechera goodrichii | |accepted_name=Boechera goodrichii | ||
| − | |accepted_authority=(S. L. Welsh) N. H. Holmgren | + | |accepted_authority=(S. L. Welsh) N. H. Holmgren |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
|title=in A. Cronquist et al., Intermount. Fl. | |title=in A. Cronquist et al., Intermount. Fl. | ||
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|year=2005 | |year=2005 | ||
}} | }} | ||
| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Arabis goodrichii | |name=Arabis goodrichii | ||
|authority=S. L. Welsh | |authority=S. L. Welsh | ||
| + | |rank=species | ||
| + | |publication_title=in S. L. Welsh et al., Utah Fl. ed. | ||
| + | |publication_place=3, 255. 2003 | ||
}} | }} | ||
|synonyms= | |synonyms= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Boechera goodrichii | name=Boechera goodrichii | ||
| − | + | |authority=(S. L. Welsh) N. H. Holmgren | |
| − | |authority=(S. L. Welsh) N. H. Holmgren | ||
|rank=species | |rank=species | ||
|parent rank=genus | |parent rank=genus | ||
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|publication year=2005 | |publication year=2005 | ||
|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_531.xml |
|tribe=Brassicaceae tribe Boechereae | |tribe=Brassicaceae tribe Boechereae | ||
|genus=Boechera | |genus=Boechera | ||
Latest revision as of 22:34, 5 November 2020
Biennials or perennials; short-lived; apomictic; caudex present or absent. Stems usually 1 per caudex branch, arising from center of rosette near ground surface, 2.6–7.4(–10.2) dm, densely pubescent proximally, trichomes short-stalked, 4–8-rayed, 0.1–0.5 mm, sometimes mixed with 2- or 3-rayed ones, to 1 mm, usually sparsely pubescent distally, rarely glabrous. Basal leaves: blade oblanceolate, 3–8(–10) mm wide, margins entire or shallowly dentate, ciliate near petiole base, trichomes (simple), to 1 mm, surfaces moderately to densely pubescent, trichomes short-stalked, 4–8-rayed, 0.15–0.4 mm. Cauline leaves: 22–72, concealing stem proximally; blade auricles 1–4 mm, surfaces of distalmost leaves sparsely pubescent or glabrous. Racemes 25–112-flowered, usually unbranched. Fruiting pedicels divaricate-descending, straight or gently curved, (10–)15–28 mm, usually sparsely pubescent, rarely glabrous, trichomes appressed, branched. Flowers divaricate-ascending at anthesis; sepals pubescent; petals white to lavender, 6–8 × 1–1.5 mm, glabrous; pollen spheroid. Fruits pendent, not appressed to rachis, not secund, straight or gently curved, edges parallel, 4.5–6.5 cm × 1.5–3 mm; valves glabrous; ovules 100–136 per ovary; style to 0.2 mm. Seeds biseriate or sub-biseriate, 1–1.4 × 0.9–1 mm; wing continuous, 0.05–0.15 mm.
Phenology: Flowering Apr–May.
Habitat: Rocky slopes in sagebrush, pinyon-juniper woodlands, oak thickets
Elevation: 1300-2300 m
Discussion
Morphological evidence suggests that Boechera goodrichii is an apomictic species that arose through hybridization between B. gracilipes and B. retrofracta. Some specimens of it originally were identified as Arabis holboellii var. pinetorum (= B. pinetorum), but they are most similar to B. consanguinea (see M. D. Windham and I. A. Al-Shehbaz 2007, 2007b for detailed comparison).
Selected References
None.