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Flower head
Grapevine Canyon - Sue Smith

Yavapai County Native & Naturalized Plants

Galium aparine - bedstraw

Synonyms: G. agreste, G. spurium, G. vaillantii
Other Common Names: goosegrass bedstraw, cleavers, reclining bedstraw, stickywilly
Plant Form: Forb or Subshrub

Family: Rubiaceae

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Grapevine Canyon
Sue Smith
Plant - spring
Grapevine Canyon
Sue Smith
Young plant - spring
Grapevine Canyon
Sue Smith
Forb Plant Description

Origin: Native   Life Cycle: Annual   Similar Species: Galium boreale
General Desc: Weak stemmed, reclining and usually supported by other plants. Up to 6 feet long. Stems, leaves, and fruits cling to humans, aniamals and other plants. Common name originates from past use to stuff mattresses.
Identification notes: Annuals with hairy stems that are rough to the touch. Leaves 5 or more in whorls with pointed tips. Hairs of fruits curved or hooked. Galium boreale is a perennial from the roots and does not have hooked hairs. Flowers white, in leaf axils.
Height: 3 feet


Habitat Description: Found in moist places, north slopes, intertwined with shrubs and in canyons. Adapted to fine and medium textured soils.
Plant Communities: Riparian
Elevation: 2000 - 8000 feet

Flower Characteristics

Color: White to greenish     Shape: Regular in clusters     Tubular: N     Flowering Period: May - Sep
Description: Has 4 petals to 1/8 inch wide. Appears in clusters of 1 to 3 flowers on stems rising from the leaf axils.

Leaf and Stem Characteristics

Leaf Color: Dark green     Leaf Type: Simple     Leaf Shape: Narrow     Leaf Margin: Smooth     Leaf Attachment: Whorl     Leaves Clasp: N
Hairs: Leaves and stems     Spines: N
Leaf Description: To 3 inches in length and <1/16 inch in width. Narrows to a point at the apex. Has 5 to 8 leaves at each node. Has backward-hooked bristly hairs on stems and leaves.

Fruit and Seed Characteristics

Fruit Color: Brown   
Fruit Type: Nutlet
Fruit Notes: Two round nutlets <1/4 inch in diameter and covered with hooked bristles. One-seeded.

  Arizona Cooperative Extension
Yavapai County
840 Rodeo Dr #C
Prescott, AZ 86305
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Version 8.0  
Last Updated: Dec 13, 2022
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