Claytonia tuberosa

Pallas ex Willdenow in J. J. Roemer et al.

in J. J. Roemer et al., Syst. Veg. 5: 436. 1819.

Common names: Beringian spring beauty
Synonyms: Claytonia caroliniana var. tuberosa (Pallas ex Willdenow) B. Boivin
Treatment appears in FNA Volume 4. Treatment on page 475. Mentioned on page 465, 466.

Plants perennial, with globose tubers 10–30 mm, rarely rhizomatous; periderm 5–20 mm. Stems 15–25 cm. Leaves: basal leaves usually absent or few, blade linear, 4–15 × 0.4–0.8 cm; cauline leaves sessile, blade linear to lanceolate, 2–7 × 0.2–0.6 cm, tapered to slender base, apex acute. Inflorescences 1–multibracteate; proximalmost bract leaflike, distal bracts minute, membranous scales. Flowers 12–20 mm diam.; sepals 4–6 mm; petals white with yellow blotch at base, 6–14 mm; ovules 6. Seeds 2–3 mm diam., shiny and smooth; elaiosome 1 mm. 2n = 16, 24, 30.


Phenology: Flowering May–Aug.
Habitat: Wet to moist stony tundra slopes
Elevation: 0-1200 m

Distribution

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B.C., N.W.T., Yukon, Alaska, Asia (Siberia)

Discussion

Claytonia czukczorum was included by S. L. Welsh (1974) and E. Hultén (1968) as a variety of C. tuberosa. Based upon the author’s study of type material, it is grouped with C. multiscapa.

Selected References

None.

Lower Taxa

None.
... more about "Claytonia tuberosa"
30 +, 24 +  and 16 +
John M. Miller +
Pallas ex Willdenow in J. J. Roemer et al. +
2 cm20 mm <br />0.02 m <br /> - 7 cm70 mm <br />0.07 m <br /> +
occasionally dentate;crisped +
tapered +, linear +  and lanceolate +
0.2 cm2 mm <br />0.002 m <br /> - ? +  and 0.6 cm6 mm <br />0.006 m <br /> - ? +
scale-like +
membranous +
whorled +  and opposite +
connate +, or +  and distinct +
3 - ? +  and 2 - ? +
Beringian spring beauty +
B.C. +, N.W.T. +, Yukon +, Alaska +  and Asia - Siberia +
1 cm10 mm <br />0.01 m <br /> - ? +
0-1200 m +
1.2 cm12 mm <br />0.012 m <br /> - 2 cm20 mm <br />0.02 m <br /> +
Wet to moist stony tundra slopes +
terminal +  and axillary +
not articulate +
subrosulate +, rosulate +, alternate +, subopposite +  and opposite +
cauline +  and basal +
plurilocular +
globose +
0.5 cm5 mm <br />0.005 m <br /> - 2 cm20 mm <br />0.02 m <br /> +
connate +  and distinct +
0.6 cm6 mm <br />0.006 m <br /> - 1.4 cm14 mm <br />0.014 m <br /> +
Flowering May–Aug. +
in J. J. Roemer et al., Syst. Veg. +
capillary +
membranous +
dispersed +
3 +  and 6 +
smooth +  and tuberculate +
rounded +
persistent +
unequal +
0.4 cm4 mm <br />0.004 m <br /> - 0.6 cm6 mm <br />0.006 m <br /> +
decumbent +  and erect +
15 cm150 mm <br />0.15 m <br /> - 25 cm250 mm <br />0.25 m <br /> +
Claytonia caroliniana var. tuberosa +
Claytonia tuberosa +
Claytonia +
species +
globose +
1 cm10 mm <br />0.01 m <br /> - 3 cm30 mm <br />0.03 m <br /> +
not deciduous +
fleshy +  and succulent +
8 +, 7 +, 6 +  and 5 +