Claytonia caroliniana |
Claytonia megarhiza |
|
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Carolina spring-beauty |
alpine spring-beauty, fell-fields claytonia |
|
Habit | Plants perennial, with globose tubers 10–20 mm diam.; periderm 1–5 mm. | Plants perennial, with stout, woody caudices; periderm 5–12 mm. |
Stems | 6–25 cm. |
5–25 cm. |
Leaves | basal leaves 6–21, petiolate, blade elliptic or spatulate, 3–5 × 1–3 cm; cauline leaves abruptly petiolate, blade lanceolate to spatulate or ovate, 4–8 × 0.5–2.5 cm. |
basal leaves sessile, dilated at base into broad, succulent sheath, blade rhombic to oblanceolate, 2–10 × 0.4–2.8 cm, apex obtuse; cauline leaves sessile, blade oblanceolate, 2–10 × 2–5 mm. |
Inflorescences | 1-bracteate (rarely with 2 bracts). |
multibracteate; bracts subtending pedicels, apex obtuse. |
Flowers | 8–12 mm diam.; sepals 3–5 mm; petals white, pink, or candy-striped, 6–10 mm; ovules 6. |
12–20 mm diam; sepals 6–8 mm; petals white, pink, or rose, 5–20 × 3–8 mm; ovules 6. |
Seeds | 2–4 mm, shiny and smooth; elaiosome 1–2 mm. |
2–3 mm diam., shiny and smooth; elaiosome 1 mm or less. |
2n | = 16, 24, 25, 26, 27, 36, 38. |
= 12, 16, 24, 32, 34, 36. |
Claytonia caroliniana |
Claytonia megarhiza |
|
Phenology | Flowering Mar–Jun. | Flowering May–Aug. |
Habitat | Wetlands and riparian hardwood forests | Talus, scree, gravelly slopes |
Elevation | 0-1400 m (0-4600 ft) | 2000-4000 m (6600-13100 ft) |
Distribution |
CT; GA; IA; KY; MA; MD; ME; MI; MN; NC; NH; NY; PA; TN; VA; VT; WI; WV; NB; NF; NS; ON; PE; QC
|
CA; CO; ID; MT; NM; NV; OR; UT; WA; WY; AB; BC; NT
|
Source | FNA vol. 4, p. 467. | FNA vol. 4, p. 469. |
Parent taxa | Portulacaceae > Claytonia | Portulacaceae > Claytonia |
Sibling taxa | ||
Synonyms | C. caroliniana var. lewisii, C. caroliniana var. spatulifolia | C. arctica var. megarhiza, C. megarhiza var. bellidifolia, C. megarhiza var. nivalis |
Name authority | Michaux: Fl. Bor.-Amer. 1: 160. (1803) | (A. Gray) Parry ex S. Watson: Smithsonian Misc. Collect 258: 118. (1878) |
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