Difference between revisions of "Boykinia richardsonii"
Rep. (Annual) Board Regents Smithsonian Inst. 1867: 447. 1868 ,.
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|common_names=Bear flower;Alaska boykinia | |common_names=Bear flower;Alaska boykinia | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
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|basionyms={{Treatment/ID/Basionym | |basionyms={{Treatment/ID/Basionym | ||
|name=Saxifraga richardsonii | |name=Saxifraga richardsonii | ||
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|publication title=Rep. (Annual) Board Regents Smithsonian Inst. | |publication title=Rep. (Annual) Board Regents Smithsonian Inst. | ||
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| − | |special status= | + | |special status=Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V8/V8_256.xml |
|genus=Boykinia | |genus=Boykinia | ||
|species=Boykinia richardsonii | |species=Boykinia richardsonii | ||
Latest revision as of 22:42, 5 November 2020
Plants: rhizomes proliferating underground. Flowering stems 10–40(–60) cm. Basal leaves: petiole 2.5–10(–22.5) cm; blade usually reniform, shallowly lobed, rarely to 1/2 its length, 2–7(–12) × (3–)5–11(–15) cm, margins 2–3-times dentate. Cauline leaves: stipules (1–)2–5 mm, either expansions of petiole base and fringed with brown hairs, or foliaceous. Inflorescences narrowly cylindric, 3-flowered per primary branch. Pedicels densely stipitate-glandular. Flowers: hypanthium campanulate, free portion (1–)2–3 mm, densely stipitate-glandular; sepals erect, triangular to lanceolate, 3–7 mm, apex acute; petals sometimes with pink veins, ovate to elliptic, 8–12(–15) × 3–7 mm, 2–3(–5) times as long as sepals, base short-clawed, margins plane; nectary deep purple, sometimes greenish; stamens 3.3–5.2 mm; ovary subinferior. Capsules ovoid, turbinate, or urceolate. Seeds brown, smooth. 2n = 36, 84.
Phenology: Flowering summer.
Habitat: Stream-side gullies, snow-bed grassland and meadows, in open or in partial shade of Salix thickets
Elevation: 0-1700 m
Discussion
Boykinia richardsonii was originally misidentified as Saxifraga nelsoniana D. Don by W. J. Hooker and G. A. W. Arnott ([1830–]1841); the error was soon rectified. Reports of B. richardsonii from eastern Siberia (P. A. Rydberg 1905; H. G. A. Engler 1930) appear to be erroneous.
Selected References
None.