Arabis pulchra var. pallens Synonym: Boechera pulchra Family: Brassicaceae (A Utah Flora – Cruciferae) – Mustard Family Perennial herbs; stems 5.9” to 2' (1.5 to 6 dm) tall Leaves: alternate, and basal and still alternate; most simple; entire or toothed or with a wavy margin; has hairs; leaves in basal rosettes are 0.4” to 2.4” (1 to 6 cm) long, 0.08” to 0.24” (2 to 6 mm) wide; leaves on stem are 0.48” to 2.4” (1.2 to 6 cm) long, 0.04” to 0.2” (1 to 5 mm) wide Flowers: 4 pale pink to white or lavender to purple petals in the shape of a cross or crucifer; petals are 0.4” to 0.74” (10 to 18.5 mm) long; 4 sepals; 6 stamens (with 2 outer shorter than the inner 4); 1 pistil; flowers in racemes; nectar glands commonly 4 Pollinators: other Arabis species are pollinated by insects (bees, moths and butterflies); self-fertile Fruits: silique - a pod with 2 compartments with a thin partition Blooms in Arches National Park: March, April, May Habitat in Arches National Park: desert shrub and pinyon-juniper communities Location seen: Visitor Center area, park road mile 2, mile 8.8, Windows road just before Windows parking lot, Delicate Arch Viewpoint, Fiery Furnace Other: The genus name, “Arabis”, means “of Arabia” and denotes where a member of this genus was discovered. The species name, “pulchra”, means “handsome or pretty” and describes the flowers. The variety name, “pallens”, means “pale” describing the petal color. 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. |
Last updated: November 20, 2021