Dryas ajanensis subsp. beringensis Jurtzev in A. I. Tolmatchew (Q3866)

From Canadian Flora Commons
Jump to navigation Jump to search
Dryas ajanensis subsp. beringensis is a taxon with the rank subspecies within the species Dryas ajanensis
Language Label Description Also known as
English
Dryas ajanensis subsp. beringensis Jurtzev in A. I. Tolmatchew
Dryas ajanensis subsp. beringensis is a taxon with the rank subspecies within the species Dryas ajanensis

    Statements

    taxon/id/Dryas ajanensis subsp. beringensis Jurtzev
    0 references
    Dryas ajanensis subsp. beringensis Jurtzev
    Dryas ajanensis subsp. beringensis
    Jurtzev
    FNA Editorial Committee. 2014. Flora of North America north of Mexico. Volume 9: Magnoliophyta: Picramniaceae to Rosaceae. Oxford University Press, New York.
    accepted
    Dryas ajanensis subsp. beringensis
    dryade de BĂ©ringie (French)
    Beringian mountain avens (English)
    White dryad (English)
    1 reference
    FNA Editorial Committee. 2014. Flora of North America north of Mexico. Volume 9: Magnoliophyta: Picramniaceae to Rosaceae. Oxford University Press, New York. http://www.efloras.org/volume_page.aspx?volume_id=1009&flora_id=1
    1 reference
    FNA Editorial Committee. 2014. Flora of North America north of Mexico. Volume 9: Magnoliophyta: Picramniaceae to Rosaceae. Oxford University Press, New York. http://www.efloras.org/volume_page.aspx?volume_id=1009&flora_id=1
    e Asia (Russian Far East: Chukotka)
    Flowering Jun–Aug.
    alpine heath
    dry slopes
    timberline
    moraines
    tundra
    0–1800 m
    Plants 2.5–9 cm.
    Leaf-blades oblong or ovate to elliptic, 3–10 × 0.5–4 mm, base usually truncate or cordate, sometimes cuneate, margins flat, coarsely dentate to serrate, sinuses 5–25% to midvein, apex acute to rounded, surfaces plicate along midvein and/or rugulose or rugose, midvein and lateral-veins sunken, abaxial tomentose to woolly, adaxial usually glabrous, sometimes sparsely hairy proximally on midvein, feathery hairs abundant along midveins abaxially and on petioles, rarely scattered elsewhere, midveins and petioles abaxially usually stipitate-glandular.
    Peduncles 38–50 mm.
    Flowers erect at flowering;
    sepals linear-oblong, 4–6 × 1.5–2 mm;
    petals 8, spreading, white or cream, 9–14 × 5–11 mm;
    filaments glabrous.
    Achenes 2.5–3 mm;
    styles 16–38 mm. 2n = 18 (Chukotka, Siberia).