Ventana Canyon 2/11/16 Shaggyfruit Pepperweed Flower Shaggyfruit Pepperweed Stem Shaggyfruit Pepperweed Leaves Ventana Canyon 2/11/16 Shaggyfruit Pepperweed Leaves Shaggyfruit Pepperweed Plant Ventana Canyon 2/11/16 Shaggyfruit Pepperweed Plant Shaggyfruit Pepperweed Fruit Ventana Canyon 2/11/16 Shaggyfruit Pepperweed Fruit Shaggyfruit Pepperweed Hairs


Wildflowers of Southern Arizona


Page  1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

Shaggyfruit Pepperweed.
Lepidium lasiocarpum.
Mustard (Brassicaceae) family.

Plant: Annual forb usually less than 20 cm, ± glabrous, grayish, rhizomed; stems much-branched. Leaves: leaves alternate, pinnatifid to entire; basal < 3 dm, 6-8 cm wide, toothed, long-petioled; cauline reduced but many 1-4 cm wide, lower petioled, upper sessile. INFLORESCENCE: dense racemes. Flowers: small, cream, bisexual; sepals 4, free, < 1 mm, margins wide, white; petals white; stamens 6; ovary 1, superior, chambers generally 2, septum membranous, connecting 2 parietal placentas, style 1, stigma simple or 2-lobed. Fruit: a 2-celled pod, orbicular and flattened, 2-3 mm across, with tiny notch at apex, dehiscent; hairs many; pedicel >> fruit, slender, cylindric, hairs many; style 0; Seeds 1 per chamber, gelatinous when wetted; wing narrow or 0; embryonic root at back of 1 cotyledon, rarely at edges of both. Misc: Beaches, tidal shores, saline soils, roadsides; < 1900 m.; Jun-Aug.

Santa Catalina Mountains
Sabino Canyon Recreation Area
Location: Bear Canyon Trail 0.4 mi from Visitor Center.
1/31/16

Notes: Ventana Canyon trail approximately 1 mile from trailhead. 2/11/16.

See SEINet Pictures and Description

Thumb:Droop-pod Mustard
« D. Mustard
Thumb:Virginia Pepperweed
V. Pepperweed »