• Double O Arch

    Arches

    National Park Utah

Wedgeleaf (Whitlowgrass)

Draba cuneifolia

Draba cuneifolia var. cuneifolia

Family: Brassicaceae (A Utah Flora – Cruciferae) – Mustard Family

Annual herbs from a taproot; 3.9” to 8” (1 to 20 cm) tall

Leaves: alternate, or basal and still alternate; simple; entire to toothed; has hairs; basal leaves 0.2” to 1.6” (0.5 to 4 cm) long, 0.08” to 1.08” (2 to 27 mm) wide

Flowers: 4 white petals in the shape of a cross or crucifer; petals 0.12” to 0.2” (3 to 5 mm) long; 4 sepals; usually 6 stamens (with 2 outer shorter than the inner 4), sometimes 2 or 4; 1 pistil; nectar glands commonly 4

Pollinators: other genera in this family are pollinated by insects (specifically butterflies, moths, bees and flies); some self-fertile

Fruits: silique - a pod with 2 compartments with a thin partition

Blooms in Arches National Park: February, March, April, May

Habitat in Arches National Park: desert shrub and pinyon-juniper communities

Location seen: Windows, Delicate Arch Viewpoint, Fiery Furnace

Other: The genus name, “Draba”, is from the Greek word “drabe” which means "sharp or acrid" referring to the burning taste of the leaves which supposedly had a medicinal value as a poultice. The species name, “cuneifolia”, means “wedge-shaped leaf”.

Many plants in this family are weeds and they flower early because they are annual. Many vegetables are in this family– radish, cabbage, cauliflower. A few species of plants in this family are poisonous to livestock.

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