Origin:
Native
Life Cycle:
Annual
General Desc:
Annual plant with slender stems, erect to sprawling. Leaves are borne in whorls of 2 to 4 along stems. Identification notes: Leaves in whorls of 2 to 4, some opposite; leaf length not more than 4 inches in each whorl. Flowers solitary or in pairs, mostly without a stalk, on short, sometimes forked branchlets; each flower subtended by 2 bracts. Fruit hairs hooked. Height:
2 to 14 inches Habitat
Habitat Description: Moist places along stream beds and edges of washes, grassy areas, or under shrubs. Plant Communities:
Riparian Elevation: 3200 - 3700 feet Flower Characteristics
Color:
Yellowish-white
Shape:
Regular not in clusters
Tubular:
N
Flowering Period:
Apr - May Description:
Tiny yellowish-white flowers are bisexual and borne singly or in pairs on short branches.
Leaf and Stem Characteristics
Leaf Color:
Green
Leaf Type:
Simple
Leaf Shape:
Narrow
Leaf Margin:
Smooth
Leaf Attachment:
Whorl
Leaves Clasp:
N Hairs:
Leaves and stems
Spines:
N
Leaf Description:
Leaves and stems are densely covered with stiff, short hairs. Leaves appear in whorls of 2 to 4 at each stem node. Fruit and Seed Characteristics
Fruit Color: Green to brown Fruit Type: Nutlet Fruit Notes: Tiny nutlets are covered with short, hooked hairs.
Arizona Cooperative Extension
Yavapai County
840 Rodeo Dr #C
Prescott, AZ 86305
(928) 445-6590