Minuartia nuttallii var. fragilis

(Maguire & A. H. Holmgren) Rabeler & R. L. Hartman

Sida 21: 753. 2004.

Common names: Brittle sandwort
Endemic
Basionym: Arenaria nuttallii subsp. fragilis Maguire & A. H. Holmgren Madroño 8: 260. 1946
Synonyms: Arenaria nuttallii var. fragilis (Maguire & A. H. Holmgren) C. L. Hitchcock Minuartia nuttallii subsp. fragilis (Maguire & A. H. Holmgren) McNeill
Treatment appears in FNA Volume 5. Treatment on page 130.

Leaves prominently arcuate-spreading; blade 10–20 mm, apex spinescent. Flowers: sepals (1–)3-veined, lanceolate (herbaceous portion lanceolate), (3–)5–6 mm, apex spinescent; petals 0.8–1.2 times as long as sepals.


Phenology: Flowering spring–summer.
Habitat: Metamorphic limestone talus
Elevation: 1600-2400 m

Discussion

Collections of var. fragilis often appear more yellowish than those of the other varieties.

Selected References

None.

Lower Taxa

None.
Richard K. Rabeler +, Ronald L. Hartman +  and Frederick H. Utech +
(Maguire & A. H. Holmgren) Rabeler & R. L. Hartman +
Arenaria nuttallii subsp. fragilis +
Brittle sandwort +
Calif. +, Nev. +  and Oreg. +
1600-2400 m +
Metamorphic limestone talus +
Flowering spring–summer. +
Arenaria nuttallii var. fragilis +  and Minuartia nuttallii subsp. fragilis +
Minuartia nuttallii var. fragilis +
Minuartia nuttallii +
variety +