Comments
provided by eFloras
Minuartia arctica is an amphi-Beringian species that is known to intergrade with M. obtusiloba. Hybrids between M. arctica and M. macrocarpa are known as well.
- license
- cc-by-nc-sa-3.0
- copyright
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Description
provided by eFloras
Plants perennial, mat-forming. Taproots stout, woody. Stems erect to ascending, green, 3-10 cm, retrorsely puberulent or stipitate-glandular, internodes of flowering stems 2-6 times as long as leaves. Leaves tightly overlapping (vegetative) or variably spaced (cauline), usually connate proximally, with tight, scarious to herbaceous sheath 1.2-1.5 mm; blade straight to outwardly curved, green, obscurely 1-veined, linear (proximal vegetative) or subulate (cauline), rounded 3-angled (abaxial surface thickened, rounded, adaxial surface flat to concave), 5-20 × 0.4-1 mm, flexuous, margins not thickened, herbaceous, often ciliate, apex often purple, rounded to truncate, shiny, glabrous (vegetative) or glabrous to stipitate-glandular (cauline); axillary leaves absent. Inflorescences: flowers solitary, terminal; bracts narrowly lanceolate to oblong, herbaceous. Pedicels 0.5-3 cm, usually densely stipitate-glandular. Flowers: hypanthium cup-shaped; sepals prominently 3-veined proximally, lanceolate to narrowly ovate (herbaceous portion often purple, ovate to oblong), 4-8 mm, enlarging slightly in fruit, apex often purple, rounded, hooded, stipitate-glandular; petals oblanceolate, 1.5-2 times as long as sepals, apex broadly rounded, entire. Capsules narrowly ellipsoid, 9-10 mm, longer than sepals. Seeds brown, suborbiculate with radicle prolonged into beak, compressed, 1.2-1.6 mm, minutely tuberculate (50×). 2n = 22 (Russia), 26 (Russia), 38 (Russia), 52, ca. 80.
- license
- cc-by-nc-sa-3.0
- copyright
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Description
provided by eFloras
Herbs perennial, 5--9 cm tall. Stems densely caespitose, glandular pubescent. Leaves linear, 0.6--1.6 cm × ca. 1 mm, those on flowering stems smaller. Flowers solitary, rarely 2. Sepals linear-oblong, 5--7 mm, glandular pubescent. Petals ca. 2 × as long as sepals. Capsule 1.5--2 × as long as sepals. Seeds brownish, reniform-globose, 1--1.5 mm; raphe obtusely tuberculate. Fl. and fr. Jul--Aug.
- license
- cc-by-nc-sa-3.0
- copyright
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Distribution
provided by eFloras
N.W.T., Yukon; Alaska; Asia.
- license
- cc-by-nc-sa-3.0
- copyright
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Distribution
provided by eFloras
S Jilin (Changbai Shan) [Kazakhstan, Mongolia, N Russia (Far East, Siberia); North America].
- license
- cc-by-nc-sa-3.0
- copyright
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Habitat
provided by eFloras
Dry ridges, rocky mountain slopes, heathlands, alpine snowbed slopes, stony tundra; 0-1000m.
- license
- cc-by-nc-sa-3.0
- copyright
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Habitat
provided by eFloras
Hillside rocks; 2200--2400 m.
- license
- cc-by-nc-sa-3.0
- copyright
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Synonym
provided by eFloras
Arenaria arctica Steven ex Seringe in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 1: 404. 1824; Alsine arctica (Steven ex Seringe) Fenzl; Lidia arctica (Steven ex Seringe) Á. Löve & D. Löve
- license
- cc-by-nc-sa-3.0
- copyright
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Synonym
provided by eFloras
Arenaria arctica Steven ex Seringe in de Candolle, Prodr. 1: 404. 1824.
- license
- cc-by-nc-sa-3.0
- copyright
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA