Species Detail Forb

Flower Highlands Center for Natural History - Sue Smith		Yavapai County Native & Naturalized Plants Desmodium rosei - Rose's ticktrefoil Other Common Names: rose tickclover Plant Form: Forb or Subshrub Family: Fabaceae
Flower Highlands Center for Natural History - Sue Smith


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Bracts and flower Highlands Center for Natural History Sue Smith	Leaf Highlands Center for Natural History Sue Smith	Plant - summer Highlands Center for Natural History Sue Smith	Fruit Highlands Center for Natural History Sue Smith

Forb Plant Description

Origin: Native Life Cycle: Annual Similar Species: Desmodium neomexicanum
General Desc: Stems are erect or slightly curving. Solid stems or young twigs sparsely to densely hairy with hooked hairs or prickles.
Identification notes: Fruit pods of 1 - 4 rounded segments, that are not contorted, unlike D. neomexicanum.
Height: 8 inches

Habitat

Habitat Description: Found often in grasslands and on slopes and mesas.
Plant Communities: Interior Chaparral, Semidesert Grasslands, Pinyon Juniper Woodland, Montane Conifer Forest
Elevation: 3500 - 6500 feet

Flower Characteristics

Color: Whitish-pink to purple Shape: Irregular in elongated clusters Tubular: N Flowering Period: Aug - Sep
Description: Bracts very small or absent. Flowers are bilaterally symetrical in one plain. The calyx is 2-lipped or 2-lobed and hairy. Petals are separate and clawed. Corolla is butterfly-like and ovoid.

Leaf and Stem Characteristics

Leaf Color: Green Leaf Type: Compound Leaf Shape: Narrow Leaf Margin: Smooth Leaf Attachment: Alternate Leaves Clasp: N
Hairs: Leaves and stems Spines: Y
Leaf Description: Leaves are trifoliolate with narrow leaflets up to 1-1/2 inches long and about 1/4 of an inch wide. Leaflets have hairs on the margins but otherwise nearly hairless. Leaflets are opposite.

Fruit and Seed Characteristics

Fruit Color: Brown
Fruit Type: Pod
Fruit Notes: Has 1 to 4 rounded segments all less than 1/4 of an inch long. Segments are nearly free of hairs, not contorted and with flat margins. Pods have hairs on the edges but otherwise nearly hairless. Changes color from green to brown.
Seed Notes: Seeds are smooth and ovoid to rounded in outline. Seeds olive, brown, or black.


	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 Legal Disclaimer