Difference between revisions of "Boechera schistacea"
Brittonia 55: 3. 2003.
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| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Arabis schistacea | |name=Arabis schistacea | ||
|authority=Rollins | |authority=Rollins | ||
| + | |publication_title=Contr. Dudley Herb. | ||
| + | |publication_place=3: 370. 1946 | ||
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| − | |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_587.xml |
|tribe=Brassicaceae tribe Boechereae | |tribe=Brassicaceae tribe Boechereae | ||
|genus=Boechera | |genus=Boechera | ||
Revision as of 21:23, 24 September 2019
Perennials; long-lived; sexual; caudex woody. Stems usually 2–5 per caudex branch, arising from margin of rosette, elevated above ground surface on woody base, 0.8–2.5(–4) dm, glabrous throughout. Basal leaves: blade linear to narrowly oblanceolate, 1.2–2.5 mm wide, margins entire, ciliate proximally, trichomes (simple), 0.3–0.7 mm, surfaces glabrous or sparsely pubescent, trichomes short-stalked, 2- or 3-rayed, 0.2–0.5 mm. Cauline leaves: 2–5(–9), not concealing stem; blade auricles 0.2–0.5 mm, surfaces of distalmost leaves glabrous. Racemes 5–12-flowered, usually unbranched. Fruiting pedicels reflexed, curved, 5–9 mm, glabrous. Flowers divaricate-ascending at anthesis; sepals glabrous; petals white to lavender, 4–6 × 1–1.5 mm, glabrous; pollen ellipsoid. Fruits pendent, not appressed to rachis, not secund, straight, edges parallel, 1.8–4.5 cm × 1.5–2 mm; valves glabrous; ovules 24–36 per ovary; style 0.2–0.5 mm. Seeds uniseriate, 0.9–1.2 × 0.7–0.9 mm; not winged. 2n = 14.
Phenology: Flowering May–Jul.
Habitat: Rocky slopes and gravelly soil in sagebrush, open conifer forests, and subalpine meadows
Elevation: 2400-3200 m
Discussion
Boechera schistacea is a sexual diploid that appears to intergrade with B. pendulina where their geographic ranges overlap in southwestern Utah.
Selected References
None.