Plant Image
Plant


Yavapai County Native & Naturalized Plants

Galium collomiae - Fossil Hill Creek bedstraw

Plant Form: Forb or Subshrub

Family: Rubiaceae


   
 
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Forb Plant Description

Origin: Native   Life Cycle: Perennial
General Desc: Subshrub, pale sometimes shreddy bark; stems from woody bases, long spreading hairs on stems and leaves; leaves mostly 4 (sometimes 2) in whorls along stems; numerous small flowers in dense elongated clusters.
Identification notes: 4-angled stems; leaf lateral veins short, distinct, midrib prominent, tip pointed; flowers yellow, numerous in elongated clusters, not closely subtended by bracts, perfect (male and female flower parts); fruit hairs soft, white, not fleshy at maturity.
Height: 10 inches


Habitat

Habitat Description: Base of steep cliffs and in rock crevices. Known only from Central Arizona.
Plant Communities: Interior Chaparral, Pinyon Juniper Woodland, Montane Conifer Forest
Elevation: 3800 - 6200 feet


Flower Characteristics

Color: Yellow     Shape: Regular in elongated clusters     Tubular: N     Flowering Period: Jul - Nov
Description: Numerous small perfect (male and female) flowers in dense elongated clusters; sepals small; petals hairy on outside; petal tips short to moderately long.


Leaf and Stem Characteristics

Leaf Color: Green     Leaf Type: Simple     Leaf Shape: Round or oval     Leaf Margin: Smooth     Leaf Attachment: Whorl     Leaves Clasp: N
Hairs: Leaves and stems     Spines: N
Leaf Description: Narrowly to broadly oval, hairy, narrowed at base, to 1/4 inch long; stipule leaves a little smaller than true leaves; mostly whorls of 4 (sometimes 2), along stems.


Fruit and Seed Characteristics

Fruit Notes: Fruits occur in pairs, fleshy round; short, straight hairs; 2-celled.


  Arizona Cooperative Extension
Yavapai County
840 Rodeo Dr #C
Prescott, AZ 86305
(928) 445-6590
Version 8.0  
http://cales.arizona.edu/yavapaiplants/SpeciesDetailForb.php  
Last Updated: Dec 13, 2022
Content Questions/Comments: Email Matt Halldorson  
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