Log In New Account Sitemap
  • Home
  • Specimen Search
    • Search Collections
    • Map Search
    • Exsiccati Search
  • Images
    • Image Library
    • Search Images
  • Inventories
    • State Floras
    • Kentucky Flora
  • Dynamic Tools
    • Dynamic Checklist
    • Dynamic Key
Boechera canadensis (L.) Al-Shehbaz  
Go To Encyclopedia of Life...
Family: Brassicaceae
sicklepod
Boechera canadensis image
  • FNA
  • vPlants
  • Web Links
Ihsan A. Al-Shehbaz, Michael D. Windham in Flora of North America (vol. 7)
Biennials; short-lived; sexual; caudex not evident. Stems 1 per plant, arising from center of rosette near ground surface, 2.5-10(-12.5) dm, sparsely to densely pubescent proximally, trichomes simple, to 1 mm, glabrous or sparsely pubescent distally. Basal leaves: blade obovate to oblanceolate, 10-30 mm wide, margins dentate, ciliate proximally, trichomes simple, to 1 mm, surfaces moderately pubescent, trichomes simple, 0.5-1.5 mm, these mixed with smaller, 2- or 3-rayed ones. Cauline leaves: 12-20, often concealing stem proximally; blade auricles absent or proximalmost blades with auricles 0.5-2(-5) mm, surfaces of distalmost leaves sparsely pubescent. Racemes 15-65(-82)-flowered, sometimes branched. Fruiting pedicels descending to horizontal, usually curved, rarely straight, 6-13(-17) mm, pubescent or glabrous, trichomes subappressed, usually 2-rayed. Flowers divaricate-ascending to horizontal at anthesis; sepals pubescent; petals white, 3-5 × 0.7-1.2 mm, glabrous; pollen ellipsoid. Fruits pendent to horizontal, not appressed to rachis, often secund, curved, edges parallel, 4-10 cm × 2.5-4 mm; valves glabrous; ovules 40-62 per ovary; style 0.3-0.8(-1.1) mm. Seeds uniseriate, 1.7-3.5 × 1.5-2.2 mm; wing continuous, 0.4-1 mm wide distally. 2n = 14. Flowering Apr-Jul. Bluffs, rocky slopes, ravines, open woods; 0-1200 m; Que.; Ala., Ark., Conn., D.C., Fla., Ga., Ill., Iowa, Kans., Ky., Maine, Md., Mass., Mich., Minn., Miss., Mo., Nebr., N.Y., N.C., Ohio, Okla., Pa., Tenn., Tex., Vt., Va., W.Va., Wis.
The Morton Arboretum
Biennial herb to 1 m tall Stem: upright, unbranched or sparingly branched. Flowers: in elongated, loosely branched clusters, white or yellowish white, 3 - 5 mm long, 1 mm wide, barely exceeding sepals. Petals four. Stamens six. Fruit: a narrow pod, spreading, drooping or hanging downward, 7 - 11 cm long, 2 - 3.5 mm wide, on a 7 - 12 mm long stalk, flat, curved, prominently veined. Seeds in one row, 3 mm long, as wide as the valve, with a 0.5 - 1 mm wide wing. Lower leaves: alternate, stalked, to 10 cm long, lance- to spatula-shaped, sparsely toothed, sparsely hairy. Upper leaves: alternate, stalkless, smaller than lower leaves, lance-shaped to elliptic or oblong, narrow at the base, sparsely and irregularly toothed, hairy.

Similar species: Boechera canadensis is the only Boechera species in the Chicago Region without lobed leaf bases.

Flowering: late May to mid-July

Habitat and ecology: In the Chicago Region, Boechera canadensis is most often found in the shade of dune woods, on sloping ground. It also occurs in mesic forest. It was found in Kenosha County, Wisconsin in disturbed woods.

Occurence in the Chicago region: native

Etymology: Boechera refers to the Danish botanist, Tyge Bocher. Canadensis refers to Canada, but is also used in reference to North America (a result of early French influence).

Author: The Morton Arboretum

  • Encyclopedia of Life
  • W3Tropicos
  • USDA PLANTS Database
  • Flora of North America
  • International Plant Names Index
  • Google Search Engine
  • Google Images
  • BOLD Systems - Barcode of Life Data Systems
  • Global Biotic Interactions (GloBI)
  • NCBI - National Center for Biotechnology Information
Boechera canadensis
Open Interactive Map
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Boechera canadensis image
Click to Display
100 Initial Images
- - - - -
View All Images
The National Science Foundation
This project made possible by National Science Foundation Award 1410069