Claytonia exigua

Douglas ex Torrey & A. Gray

Fl. N. Amer. 1: 200. 1838.

Common names: Pale claytonia
IllustratedEndemic
Treatment appears in FNA Volume 4. Treatment on page 468. Mentioned on page 466, 469.

Plants annual, with minute, tuberous bodies; periderm absent. Stems 5–10 cm. Leaves: blades gray, beige, or pink, glaucous; basal leaf-blades linear or spatulate, 1–6 × 0.05–0.5 cm; cauline leaves sessile, distinct or partially connate into horn shape, blade spatulate, 0.2–4.5 cm, or subperfoliate, blade 0.2–4.5 cm wide. Inflorescences 1-bracteate; bract leaflike, 0.5–15 mm. Flowers 3–5 mm diam.; sepals 1.5–2.5 mm; petals white or pinkish, 2–5 mm; ovules 3. Seeds 0.5–1 mm, tuberculate; elaiosome inserted in wide notch of seed-coat, 0.5–1 mm. 2n = 16, 32, 48.

Distribution

V4 928-distribution-map.gif

B.C., Calif., Nev., Oreg., Wash.

Discussion

Subspecies 2 (2 in the flora).

Selected References

None.

Key

1 Cauline leaves distinct or partially connate into horn shape; petals 2-6 mm Claytonia exigua subsp. exigua
1 Cauline leaves perfoliate; petals 2-3 mm Claytonia exigua subsp. glauca
... more about "Claytonia exigua"
48 +, 32 +  and 16 +
obtuse +  and apiculate +
John M. Miller +
Douglas ex Torrey & A. Gray +
1 cm10 mm <br />0.01 m <br /> (6 cm60 mm <br />0.06 m <br />) +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
subperfoliate +
pink +, beige +  and gray +
occasionally dentate;crisped +
spatulate +
0.2 cm2 mm <br />0.002 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (?) +  and 4.5 cm45 mm <br />0.045 m <br /> (?) +
minute +
scale-like +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
membranous +
whorled +  and opposite +
connate +, or +  and distinct +
3 (?) +  and 2 (?) +
connate +  and distinct +
Pale claytonia +
B.C. +, Calif. +, Nev. +, Oreg. +  and Wash. +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
terminal +  and axillary +
not articulate +
subrosulate +, rosulate +, alternate +, subopposite +  and opposite +
cauline +  and basal +
plurilocular +
globose +
pinkish +  and white +
connate +  and distinct +
0.2 cm2 mm <br />0.002 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Fl. N. Amer. +
capillary +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
dispersed +
3 +  and 6 +
tuberculate +
rounded +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (?) +  and 0.1 cm1 mm <br />0.001 m <br /> (?) +
persistent +
unequal +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
Illustrated +  and Endemic +
decumbent +  and erect +
5 cm50 mm <br />0.05 m <br /> (10 cm100 mm <br />0.1 m <br />) +
Belia +  and Limnia +
Claytonia exigua +
Claytonia +
species +
not deciduous +
fleshy +  and succulent +
8 +, 7 +, 6 +  and 5 +