Draba ogilviensis


Bot. Not. 119: 315, fig. 2. 1966.

Treatment appears in FNA Volume 7. Treatment on page 324. Mentioned on page 224, 273, 279, 281, 283, 285.

Perennials; (stoloniferous); caudex branched (sparsely covered with petiole remains, branches slender, creeping, loosely matted); often scapose. Stems unbranched, 0.4–1.5 dm, glabrous or pubescent throughout, trichomes simple and short-stalked, 2- or 3-rayed, 0.1–0.5 mm. Basal leaves not rosulate; (subopposite); petiolate; petiole base and margin ciliate or not, (trichomes simple, 0.2–0.8 mm); blade oblanceolate or lanceolate, 0.5–1.5 cm × 1.5–5 mm, margins entire, surfaces glabrous or sparsely pubescent with simple and stalked, 2–4-rayed trichomes, 0.1–0.5 mm, (midvein obscure abaxially). Cauline leaves (0 or) 1 or 2; (subopposite); sessile; blade ovate or oblong, margins entire, surfaces pubescent as basal. Racemes 5–13-flowered, ebracteate, elongated in fruit; rachis not or slightly flexuous, glabrous or pubescent as stem. Fruiting pedicels horizontal to divaricate, often curved upward, 6–13(–17) mm, glabrous or sparsely pubescent, trichomes simple and 2-rayed. Flowers: sepals ovate, 2–3 mm, glabrous or pubescent, (trichomes simple); petals golden yellow, obovate, 3.5–6 × 2–3 mm; anthers ovate, 0.3–0.5 mm. Fruits oblong, plane, flattened, 6–9 × 2–3 mm; valves glabrous; ovules 8–20 per ovary; style 0.4–1 mm. Seeds ovoid, 0.9–1 × ca. 0.6 mm. 2n = 16.

Phenology: Flowering Jun–Aug.
Habitat: Tundra, river flats and banks, exposed talus slopes, hummocks in wet sedge meadows
Elevation: 900-2200 m


The limits of Draba ogilviensis were confused by authors who reduced it to synonymy of D. juvenilis or D. sibirica. A thorough discussion of the three species and their distinguishing characteristics was provided by D. F. Murray and C. L. Parker (1999).

Selected References


Lower Taxa

... more about "Draba ogilviensis"
Ihsan A. Al-Shehbaz +, Michael D. Windham +  and Reidar Elven +
Hultén +
N.W.T. +, Yukon +  and Alaska. +
900-2200 m +
Tundra, river flats and banks, exposed talus slopes, hummocks in wet sedge meadows +
Flowering Jun–Aug. +
Abdra +, Erophila +, Nesodraba +  and Tomostima +
Draba ogilviensis +
species +