Draba reptans (Lamarck) Fernald (Q4562)

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Draba reptans is a synonym of Tomostima reptans (Lamarck) Al-Shehbaz| M. Koch & Jordon-Thaden
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Draba reptans (Lamarck) Fernald
Draba reptans is a synonym of Tomostima reptans (Lamarck) Al-Shehbaz| M. Koch & Jordon-Thaden

    Statements

    taxon/id/Draba reptans (Lamarck) Fernald
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    taxon synonym
    Flowering Feb–Jun(-Aug).
    rock outcrops
    dry slopes
    hillsides
    prairies
    glades
    roadsides
    disturbed sites
    Stems (simple or few from, or distal to, base), unbranched, (0.1–) 0.3–1.2 (–1.6) dm, sparsely to densely pubescent proximally, trichomes 2 (or 3) -rayed, 0.1–0.6 mm, sometimes with simple or spurred ones, to 0.9 mm, distally usually glabrous, rarely with few trichomes.
    Basal leaves not rosulate;
    blade elliptic or spatulate to obovate or suborbicular, 0.5–2.3 (–3) cm × 1.5–8 (–13) mm, margins entire, surfaces pubescent abaxially with stalked, 2–4-rayed trichomes, 0.1–0.5 mm, adaxially with simple trichomes, 0.6–1 mm, with stalked, 2-rayed ones, to 0.7 mm.
    blade similar to basal.
    Racemes (3–) 5–12 (–16) -flowered, ebracteate, (subumbellate), not elongated in fruit;
    Fruiting pedicels horizontal to divaricate-ascending, straight, (1–) 2–7 (–9) mm, glabrous or glabrate.
    sepals oblong, 1.5–2.3 mm, pubescent, (trichomes simple);
    petals (rarely absent), white, spatulate, 2–4.5 × 1–1.5 mm;
    anthers ovate, 0.4–0.5 mm.
    Fruits linear to linear-oblong, plane, flattened, (5–) 7–16 (–20) × 1.2–2.3 mm;
    valves glabrous or pubescent, trichomes usually simple and antrorse, 0.1–0.3 mm, rarely with fewer, spurred or 2-rayed ones;
    ovules 32–88 per ovary;
    style 0.02–0.1 mm.
    Seeds oblong to ovoid, 0.5–0.8 × 0.3–0.5 mm. 2n = 16, 30, 32.