Name
Identification
Isotype of Arabis fecunda Rollins [family BRASSICACEAE ] (stored under name); Verified by Rollins, 1984 Boechera fecunda (Rollins) Dorn [family BRASSICACEAE ] Verified by Michael Windham (UT) and Ihsan Al-Shehbaz (MO), 2005
Related name
- Boechera fecunda
- Arabis fecunda
Flora
Entry for Boechera fecunda (Rollins) Dorn [family CRUCIFERAE]
Herbarium
Flora of North America (FNA)
Collection
Flora of North America
Resource Type
Reference Sources
Entry From
Flora of North America, Vol 7,
Names
Boechera fecunda (Rollins) Dorn [family CRUCIFERAE], Brittonia, 55: 3. 2003
Arabis fecunda Rollins [family CRUCIFERAE], Contr. Gray Herb., 214: 1. 1984
Treatment Author(s)
Ihsan A. Al-Shehbaz
Michael D. Windham
Information
Perennials; usually long-lived; sexual; caudex often woody. Stems 1 to several per caudex branch, arising from center and margin of rosette, slightly elevated on woody base or from near ground surface, 0.8–3 dm, densely pubescent throughout, trichomes short-stalked, 5–10-rayed, 0.1–0.2 mm. Basal leaves: blade linear-oblanceolate, 1–5 mm wide, margins entire or with few teeth subapically, not ciliate, surfaces densely pubescent, trichomes short-stalked, 5–10-rayed, 0.1–0.2 mm. Cauline leaves: 5–18, concealing stem proximally; blade auricles 0.5–2.5 mm, surfaces of distalmost leaves densely pubescent. Racemes 8–35-flowered, usually unbranched. Fruiting pedicels erect to ascending, straight, 5–15 mm, pubescent, trichomes appressed, branched. Flowers erect to ascending at anthesis; sepals pubescent; petals purplish, 8–12 × 2.5–4.5 mm; pollen ellipsoid. Fruits erect to ascending, often appressed to rachis, not secund, straight, edges parallel, 3–5.8 cm × 1.4–1.8 mm; valves densely pubescent throughout; ovules 34–68 per ovary; style 1–1.5 mm. Seeds uniseriate, 1–1.5 × 0.8–1.2 mm; wing continuous, 0.5–0.1 mm wide.
Conservation Status
of conservation concern;
Phenology
apr-may (spring), jun (summer)
Altitude range
1200–1800 m;
Distribution
USA Mont.
Discussion
Boechera fecunda is a distinctive sexual species known from Ravali and Silver Bow counties.
Boechera fecunda is in the Center for Plant Conservation’s National Collection of Endangered Plants.