PRAIRIE PEPPER-GRASS
|
 |
| File Size: 146 KB |
|
|
|
Lepidium densiflorum Schrad.
|
| Dickinson County, Kansas |
| Annual |
| Height: 4-24 inches |
| Family: Brassicaceae - Mustard Family |
| Flowering Period: March, April, May, June |
|
| Stems: | | Erect, branched above. Plants glabrous or finely pubescent. | | Leaves: | | Basal leaves withering early; petiole 1/5 to 4/5 inch; blade spatulate to oblanceolate or oblong, 3/5 to 4 inches long, 1/5 to 4/5 inch wide, margins serrate to pinnately lobed. Cauline leaves: petiole absent or short; blade oblanceolate to linear, 2/5 to 3 inches long, 1/12 to 7/10 inch wide, base wedge-shaped to attenuate, not auriculate, margins entire to serrate or dentate, rarely pinnately lobed. | | Inflorescences: | | Racemes, terminal: rachis finely pubescent. | | Flowers: | | Sepals 4, oblong to elliptic, tiny; petals absent or if present white, linear, shorter than sepals; stamens 2. | | Fruits: | | Silicles, obovoid to suborbicular, 1/7 to 1/4 inch, nearly as wide, narrowly winged distally, apical notched; seeds orange, 1/24 to 1/16 inch. | | Habitat: | | Rocky to sandy roadsides, pastures, prairies, disturbed sites, and waste places | | Distribution: | | Occurs statewide | | Origin: | | Native | | Comments: | | Lepidium, scale, alluding to the appearance of the fruits and densiflorum, densely flowered. |
|
| Prairie pepper-grass silicles |  | | 94 KB | | Dickinson County, Kansas |
| | Prairie pepper-grass |  | | 147 KB | | Barber County, Kansas |
| | Prairie pepper-grass inflorescence |  | | 98 KB | | Barber County, Kansas |
| | Prairie pepper-grass |  | | 129 KB | | Barber County, Kansas |
| | Prairie pepper-grass silicles |  | | 174 KB | | Ottawa County, Kansas |
| | Prairie pepper-grass inflorescence |  | | 163 KB | | Ottawa County, Kansas |
| | | | |
|
|
|
|
|
|
